{"id":36792,"date":"2025-08-27T14:16:39","date_gmt":"2025-08-27T07:16:39","guid":{"rendered":"\/blog\/?p=36792"},"modified":"2026-01-28T13:52:36","modified_gmt":"2026-01-28T06:52:36","slug":"xac-dinh-phuong-huong","status":"publish","type":"post","link":"\/blog\/xac-dinh-phuong-huong\/","title":{"rendered":"C\u00e1ch x\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng h\u01b0\u1edbng: H\u01b0\u1edbng d\u1eabn nhanh, d\u1ec5 \u00e1p d\u1ee5ng th\u1ef1c t\u1ebf"},"content":{"rendered":"<p style=\"text-align: justify;\"><em>D\u00f9 \u0111ang \u0111i d\u00e3 ngo\u1ea1i, \u0111i trekking trong r\u1eebng hay \u0111i ph\u01b0\u1ee3t \u0111\u01b0\u1eddng d\u00e0i, k\u1ef9 n\u0103ng \u0111\u1ecbnh h\u01b0\u1edbng s\u1ebd lu\u00f4n gi\u00fap b\u1ea1n di chuy\u1ec3n thu\u1eadn l\u1ee3i v\u00e0 an to\u00e0n h\u01a1n trong nhi\u1ec1u lo\u1ea1i \u0111\u1ecba h\u00ecnh v\u00e0 th\u1eddi ti\u1ebft. Trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y, Decathlon s\u1ebd h\u01b0\u1edbng d\u1eabn c\u00e1c<\/em><span style=\"font-weight: bold;\"><em> c\u00e1ch x\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng h\u01b0\u1edbng<\/em><\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"><em>, k\u00e8m l\u01b0u \u00fd an to\u00e0n \u0111\u1ec3 b\u1ea1n d\u1ec5 \u00e1p d\u1ee5ng, ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 gi\u1eef s\u1ef1 b\u00ecnh t\u0129nh tr\u00ean m\u1ecdi ch\u1eb7ng \u0111\u01b0\u1eddng.<\/em><\/span><\/p>\n<h2 style=\"color: #2f33bf; font-weight: bold; display: inline-block;\">1. C\u00e1ch x\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng h\u01b0\u1edbng \u0111\u01a1n gi\u1ea3n ngo\u00e0i t\u1ef1 nhi\u00ean<\/h2>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">B\u1ea1n c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng d\u1ea5u hi\u1ec7u t\u1eeb M\u1eb7t Tr\u1eddi, M\u1eb7t Tr\u0103ng, c\u00e1c ch\u00f2m sao v\u00e0 \u0111\u1ecba v\u1eadt xung quanh \u0111\u1ec3 \u01b0\u1edbc l\u01b0\u1ee3ng nhanh ph\u01b0\u01a1ng h\u01b0\u1edbng.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"color: #3643ba;\">1.1. C\u00e1ch x\u00e1c \u0111\u1ecbnh b\u1eb1ng m\u1eb7t tr\u1eddi v\u00e0 b\u00f3ng \u0111\u1ed5<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">\u0110\u00e2y l\u00e0 m\u1eb9o x\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng h\u01b0\u1edbng kh\u00e1 \u0111\u01a1n gi\u1ea3n. \u0110\u1ec3 th\u1ef1c hi\u1ec7n k\u1ef9 thu\u1eadt n\u00e0y, b\u1ea1n c\u1ea7n t\u00ecm m\u1ed9t v\u1ecb tr\u00ed c\u00f3 \u00e1nh n\u1eafng li\u00ean t\u1ee5c trong kho\u1ea3ng 10 \u0111\u1ebfn 15 ph\u00fat. C\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n c\u1ee5 th\u1ec3 nh\u01b0 sau:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: bold;\">B\u01b0\u1edbc 1:<\/span> Ch\u1ecdn n\u01a1i c\u00f3 \u00e1nh n\u1eafng kh\u00f4ng b\u1ecb che khu\u1ea5t v\u00e0 c\u1eafm m\u1ed9t c\u00e2y g\u1eady th\u1eb3ng \u0111\u1ee9ng xu\u1ed1ng \u0111\u1ea5t.<\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: bold;\">B\u01b0\u1edbc 2<\/span>: \u0110\u00e1nh d\u1ea5u \u0111i\u1ec3m cu\u1ed1i c\u1ee7a b\u00f3ng g\u1eady tr\u00ean m\u1eb7t \u0111\u1ea5t (\u0111i\u1ec3m 1).<\/p>\n<div style=\"text-align: center; margin: 1em 0;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-43324\" src=\"\/blog\/wp-content\/uploads\/2025\/08\/xac-dinh-phuong-huong-1.jpg\" alt=\"C\u1eafm g\u1eady \u1edf n\u01a1i kh\u00f4ng b\u1ecb khu\u1ea5t n\u1eafng v\u00e0 \u0111\u00e1nh d\u1ea5u \u0111i\u1ec3m cu\u1ed1i c\u1ee7a b\u00f3ng g\u1eady - x\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng h\u01b0\u1edbng\" width=\"800\" height=\"450\" srcset=\"\/blog\/wp-content\/uploads\/2025\/08\/xac-dinh-phuong-huong-1.jpg 1600w, \/blog\/wp-content\/uploads\/2025\/08\/xac-dinh-phuong-huong-1-300x169.jpg 300w, \/blog\/wp-content\/uploads\/2025\/08\/xac-dinh-phuong-huong-1-768x432.jpg 768w, \/blog\/wp-content\/uploads\/2025\/08\/xac-dinh-phuong-huong-1-1536x864.jpg 1536w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/div>\n<p style=\"margin: 0; color: #000000; orphans: 2; widows: 2; text-align: center; padding: 0pt 0 10pt 0;\"><span style=\"text-decoration-skip-ink: none;\"><em>C\u1eafm g\u1eady \u1edf n\u01a1i kh\u00f4ng b\u1ecb khu\u1ea5t n\u1eafng v\u00e0 \u0111\u00e1nh d\u1ea5u \u0111i\u1ec3m cu\u1ed1i c\u1ee7a b\u00f3ng g\u1eady (Ngu\u1ed3n: Internet)<\/em><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: bold;\">B\u01b0\u1edbc 3<\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">: Ch\u1edd kho\u1ea3ng 10 &#8211; 15 ph\u00fat \u0111\u1ec3 M\u1eb7t Tr\u1eddi d\u1ecbch chuy\u1ec3n, b\u00f3ng g\u1eady c\u0169ng s\u1ebd di chuy\u1ec3n theo.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: bold;\">B\u01b0\u1edbc 4<\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">: \u0110\u00e1nh d\u1ea5u \u0111i\u1ec3m cu\u1ed1i m\u1edbi c\u1ee7a b\u00f3ng g\u1eady (\u0111i\u1ec3m 2).<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: bold;\">B\u01b0\u1edbc 5:<\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"> N\u1ed1i th\u1eb3ng hai \u0111i\u1ec3m b\u00f3ng (\u0111i\u1ec3m 1 v\u00e0 \u0111i\u1ec3m 2). \u0110\u01b0\u1eddng n\u1ed1i n\u00e0y ch\u00ednh l\u00e0 tr\u1ee5c \u0110\u00f4ng &#8211; T\u00e2y:<\/span><\/p>\n<ul class=\"lst-kix_dp4v9tv8mj4k-0 start\" style=\"padding: 0; margin: 0;\">\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">\u0110i\u1ec3m b\u00f3ng \u0111\u1ea7u ti\u00ean (\u0111i\u1ec3m 1) n\u1eb1m v\u1ec1 h\u01b0\u1edbng T\u00e2y.<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">\u0110i\u1ec3m b\u00f3ng sau (\u0111i\u1ec3m 2) n\u1eb1m v\u1ec1 h\u01b0\u1edbng \u0110\u00f4ng.<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">\u0110\u1eb7t ch\u00e2n tr\u00e1i c\u1ee7a b\u1ea1n l\u00ean d\u1ea5u th\u1ee9 nh\u1ea5t v\u00e0 ch\u00e2n ph\u1ea3i l\u00ean d\u1ea5u th\u1ee9 hai. Khi b\u1ea1n \u0111\u1ee9ng th\u1eb3ng v\u00e0 quay m\u1eb7t v\u1ec1 ph\u00eda tr\u01b0\u1edbc, h\u01b0\u1edbng b\u1ea1n \u0111ang nh\u00ecn t\u1edbi s\u1ebd l\u00e0 h\u01b0\u1edbng B\u1eafc (True North) v\u00e0 sau l\u01b0ng b\u1ea1n l\u00e0 h\u01b0\u1edbng Nam.<\/span><\/li>\n<\/ul>\n<div style=\"text-align: center; margin: 1em 0;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-36777 size-full\" src=\"http:\/\/loadbalancer.dktvnblog.com\/blog\/wp-content\/uploads\/2025\/08\/unnamed-file-2091.png\" alt=\"S\u1eed d\u1ee5ng b\u00f3ng \u0111\u1ed5 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh tr\u1ee5c \u0110\u00f4ng - T\u00e2y, t\u1eeb \u0111\u00f3 t\u00ecm ra h\u01b0\u1edbng B\u1eafc v\u00e0 Nam\" width=\"1107\" height=\"529\" \/><\/div>\n<p style=\"margin: 0; color: #000000; orphans: 2; widows: 2; text-align: center; padding: 0pt 0 10pt 0;\"><span style=\"text-decoration-skip-ink: none;\"><em>S\u1eed d\u1ee5ng b\u00f3ng \u0111\u1ed5 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh tr\u1ee5c \u0110\u00f4ng &#8211; T\u00e2y, t\u1eeb \u0111\u00f3 t\u00ecm ra h\u01b0\u1edbng B\u1eafc v\u00e0 Nam (Ngu\u1ed3n: Internet)<\/em><\/span><\/p>\n<p style=\"text-align: justify;\"><em>L\u01b0u \u00fd: Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y cho k\u1ebft qu\u1ea3 t\u01b0\u01a1ng \u0111\u1ed1i ch\u00ednh x\u00e1c, nh\u01b0ng v\u1eabn c\u00f3 th\u1ec3 sai l\u1ec7ch \u0111\u00f4i ch\u00fat t\u00f9y theo th\u1eddi \u0111i\u1ec3m trong ng\u00e0y v\u00e0 v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd. <\/em><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"><em>V\u00ec v\u1eady, trong th\u1ef1c t\u1ebf n\u00ean k\u1ebft h\u1ee3p ki\u1ec3m tra ch\u00e9o v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n.<\/em><\/span><\/p>\n<ul class=\"lst-kix_fa5od0aie1hj-0 start\" style=\"padding: 0; margin: 0;\">\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"><em>\u1ede ng\u00e0y xu\u00e2n ph\u00e2n (b\u1eaft \u0111\u1ea7u t\u1eeb kho\u1ea3ng ng\u00e0y 19\/03) v\u00e0 thu ph\u00e2n (kho\u1ea3ng ng\u00e0y 23\/09), M\u1eb7t Tr\u1eddi m\u1ecdc \u0111\u00fang h\u01b0\u1edbng \u0110\u00f4ng v\u00e0 l\u1eb7n \u0111\u00fang h\u01b0\u1edbng T\u00e2y, n\u00ean c\u00f3 th\u1ec3 d\u00f9ng l\u00e0m m\u1ed1c \u0111\u1ecbnh h\u01b0\u1edbng r\u1ea5t ch\u00ednh x\u00e1c.<\/em><\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"><em>Th\u1eddi \u0111i\u1ec3m g\u1ea7n h\u1ea1 ch\u00ed (th\u00e1ng 6), M\u1eb7t Tr\u1eddi m\u1ecdc l\u1ec7ch v\u1ec1 \u0110\u00f4ng B\u1eafc.<\/em><\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"><em>Th\u1eddi \u0111i\u1ec3m g\u1ea7n \u0111\u00f4ng ch\u00ed (th\u00e1ng 12), M\u1eb7t Tr\u1eddi m\u1ecdc l\u1ec7ch v\u1ec1 \u0110\u00f4ng Nam.<\/em><\/span><\/li>\n<\/ul>\n<h3 style=\"text-align: justify;\"><span style=\"color: #3643ba;\">1.2. C\u00e1ch x\u00e1c \u0111\u1ecbnh b\u1eb1ng ch\u00f2m sao<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">\u0110\u1ec3 x\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng h\u01b0\u1edbng b\u1eb1ng c\u00e1c ch\u00f2m sao, b\u1ea7u tr\u1eddi quan s\u00e1t ph\u1ea3i quang \u0111\u00e3ng. Vi\u1ec7c nh\u1eadn di\u1ec7n m\u1ed9t s\u1ed1 ch\u00f2m sao \u0111\u1eb7c tr\u01b0ng s\u1ebd gi\u00fap b\u1ea1n t\u00ecm \u0111\u01b0\u1ee3c h\u01b0\u1edbng B\u1eafc\/Nam v\u00e0 t\u1eeb \u0111\u00f3 suy ra c\u00e1c h\u01b0\u1edbng c\u00f2n l\u1ea1i.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-weight: bold; text-decoration: none; vertical-align: baseline;\">X\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng h\u01b0\u1edbng \u1edf B\u1eafc B\u00e1n c\u1ea7u v\u1edbi ch\u00f2m sao B\u1eafc \u0110\u1ea9u (Polaris):<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: bold;\">B\u01b0\u1edbc 1: <\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">T\u00ecm ch\u00f2m sao \u0110\u1ea1i H\u00f9ng (Big Dipper). Ch\u00f2m sao n\u00e0y c\u00f3 7 ng\u00f4i sao t\u1ea1o th\u00e0nh h\u00ecnh gi\u1ed1ng c\u00e1i g\u00e1o m\u00fac n\u01b0\u1edbc. <\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: bold;\">B\u01b0\u1edbc 2:<\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"> \u1ede ph\u1ea7n \u201cmi\u1ec7ng g\u00e1o\u201d, x\u00e1c \u0111\u1ecbnh 2 ng\u00f4i sao \u1edf ph\u00eda m\u00e9p ngo\u00e0i, \u0111\u1ed1i di\u1ec7n v\u1edbi ph\u1ea7n \u201cc\u00e1n\u201d. Ch\u00fang \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Dubhe v\u00e0 Merak v\u00e0 \u0111\u01b0\u1ee3c xem l\u00e0 \u201cc\u1eb7p sao ch\u1ec9 \u0111\u01b0\u1eddng\u201d.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: bold;\">B\u01b0\u1edbc 3:<\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"> N\u1ed1i th\u1eb3ng m\u1ed9t \u0111\u01b0\u1eddng t\u01b0\u1edfng t\u01b0\u1ee3ng qua hai ng\u00f4i sao Dubhe v\u00e0 Merak, k\u00e9o d\u00e0i kho\u1ea3ng 5 l\u1ea7n kho\u1ea3ng c\u00e1ch gi\u1eefa ch\u00fang.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: bold;\">B\u01b0\u1edbc 5<\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">: B\u1ea1n s\u1ebd th\u1ea5y ng\u00f4i sao s\u00e1ng \u0111\u01a1n \u0111\u1ed9c, \u0111\u00f3 l\u00e0 Sao B\u1eafc \u0110\u1ea9u (Polaris), g\u1ea7n nh\u01b0 n\u1eb1m ngay tr\u00ean c\u1ef1c B\u1eafc Tr\u00e1i \u0110\u1ea5t.<\/span><\/p>\n<ul class=\"lst-kix_ho05r8i1tyvs-0 start\" style=\"padding: 0; margin: 0;\">\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">Khi h\u01b0\u1edbng m\u1eb7t v\u1ec1 Polaris ch\u00ednh l\u00e0 b\u1ea1n \u0111ang h\u01b0\u1edbng v\u1ec1 ph\u00eda B\u1eafc.<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">T\u1eeb ph\u00eda B\u1eafc \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh, b\u1ea1n c\u00f3 th\u1ec3 suy ra \u0111\u01b0\u1ee3c c\u00e1c h\u01b0\u1edbng c\u00f2n l\u1ea1i: b\u00ean tay ph\u1ea3i l\u00e0 \u0110\u00f4ng, b\u00ean tay tr\u00e1i l\u00e0 T\u00e2y, sau l\u01b0ng b\u1ea1n l\u00e0 h\u01b0\u1edbng Nam.<\/span><\/li>\n<\/ul>\n<div style=\"text-align: center; margin: 1em 0;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-36778 size-full\" src=\"http:\/\/loadbalancer.dktvnblog.com\/blog\/wp-content\/uploads\/2025\/08\/unnamed-file-2092.png\" alt=\"Hai ng\u00f4i sao \u1edf ngo\u00e0i r\u00eca c\u1ee7a ch\u00f2m \u0110\u1ea1i H\u00f9ng (Big Dipper) h\u01b0\u1edbng th\u1eb3ng \u0111\u1ebfn sao B\u1eafc \u0110\u1ea9u (Polaris) - ng\u00f4i sao g\u1ea7n nh\u01b0 n\u1eb1m ngay tr\u00ean C\u1ef1c B\u1eafc Tr\u00e1i \u0110\u1ea5t\" width=\"1024\" height=\"768\" \/><\/div>\n<p style=\"margin: 0; color: #000000; orphans: 2; widows: 2; text-align: center; padding: 0pt 0 10pt 0;\"><span style=\"text-decoration-skip-ink: none;\"><em>Hai ng\u00f4i sao \u1edf ngo\u00e0i r\u00eca c\u1ee7a ch\u00f2m \u0110\u1ea1i H\u00f9ng (Big Dipper) h\u01b0\u1edbng th\u1eb3ng \u0111\u1ebfn sao B\u1eafc \u0110\u1ea9u (Polaris) &#8211; ng\u00f4i sao g\u1ea7n nh\u01b0 n\u1eb1m ngay tr\u00ean C\u1ef1c B\u1eafc Tr\u00e1i \u0110\u1ea5t (Ngu\u1ed3n: Internet)<\/em><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-weight: bold; text-decoration: none; vertical-align: baseline;\">X\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng h\u01b0\u1edbng \u1edf Nam B\u00e1n c\u1ea7u v\u1edbi ch\u00f2m sao Nam Th\u1eadp T\u1ef1 (Southern Cross):<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">\u1ede Nam B\u00e1n c\u1ea7u kh\u00f4ng th\u1ec3 nh\u00ecn th\u1ea5y Sao B\u1eafc C\u1ef1c, thay v\u00e0o \u0111\u00f3 ng\u01b0\u1eddi ta d\u00f9ng ch\u00f2m sao Nam Th\u1eadp T\u1ef1<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: bold;\">B\u01b0\u1edbc 1<\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">: T\u00ecm ch\u00f2m sao Nam Th\u1eadp T\u1ef1. Ch\u00f2m sao n\u00e0y g\u1ed3m 4 ng\u00f4i sao s\u00e1ng t\u1ea1o th\u00e0nh h\u00ecnh nh\u01b0 c\u00e2y th\u1eadp gi\u00e1 (d\u1ea5u c\u1ed9ng).<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: bold;\">B\u01b0\u1edbc 2<\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">: X\u00e1c \u0111\u1ecbnh \u201ctr\u1ee5c d\u00e0i\u201d n\u1ed1i t\u1eeb ng\u00f4i sao s\u00e1ng tr\u00ean c\u00f9ng \u0111\u1ebfn ng\u00f4i sao s\u00e1ng d\u01b0\u1edbi c\u00f9ng. <\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: bold;\">B\u01b0\u1edbc 3<\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">: K\u00e9o d\u00e0i tr\u1ee5c n\u00e0y kho\u1ea3ng 4,5 l\u1ea7n chi\u1ec1u d\u00e0i c\u1ee7a n\u00f3, sau \u0111\u00f3 chi\u1ebfu vu\u00f4ng g\u00f3c xu\u1ed1ng \u0111\u01b0\u1eddng ch\u00e2n tr\u1eddi. \u0110i\u1ec3m chi\u1ebfu vu\u00f4ng g\u00f3c n\u00e0y ch\u00ednh l\u00e0 h\u01b0\u1edbng Nam.<\/span><\/p>\n<div style=\"text-align: center; margin: 1em 0;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-36781 size-full\" src=\"http:\/\/loadbalancer.dktvnblog.com\/blog\/wp-content\/uploads\/2025\/08\/unnamed-file-2095.png\" alt=\"\u1ede Nam B\u00e1n c\u1ea7u, ch\u00f2m sao Nam Th\u1eadp T\u1ef1 s\u1ebd gi\u00fap b\u1ea1n x\u00e1c \u0111\u1ecbnh h\u01b0\u1edbng Nam\" width=\"1160\" height=\"1219\" \/><\/div>\n<p style=\"margin: 0; color: #000000; orphans: 2; widows: 2; text-align: center; padding: 0pt 0 10pt 0;\"><span style=\"text-decoration-skip-ink: none;\"><em>\u1ede Nam B\u00e1n c\u1ea7u, ch\u00f2m sao Nam Th\u1eadp T\u1ef1 s\u1ebd gi\u00fap b\u1ea1n x\u00e1c \u0111\u1ecbnh h\u01b0\u1edbng Nam (Ngu\u1ed3n: Internet)<\/em><\/span><\/p>\n<div style=\"text-align: center; margin: 1em 0;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-36780 size-full\" src=\"http:\/\/loadbalancer.dktvnblog.com\/blog\/wp-content\/uploads\/2025\/08\/unnamed-file-2094.png\" alt=\"K\u00e9o m\u1ed9t \u0111\u01b0\u1eddng g\u1ea5p kho\u1ea3ng 4,5 l\u1ea7n &quot;tr\u1ee5c d\u00e0i&quot; c\u1ee7a ch\u00f2m Nam Th\u1eadp T\u1ef1, b\u1ea1n s\u1ebd g\u1eb7p &quot;\u0111i\u1ec3m chi\u1ebfu vu\u00f4ng g\u00f3c&quot; c\u1ee7a h\u01b0\u1edbng Nam\" width=\"1024\" height=\"581\" \/><\/div>\n<p style=\"margin: 0; color: #000000; orphans: 2; widows: 2; text-align: center; padding: 0pt 0 10pt 0;\"><span style=\"text-decoration-skip-ink: none;\"><em>K\u00e9o m\u1ed9t \u0111\u01b0\u1eddng g\u1ea5p kho\u1ea3ng 4,5 l\u1ea7n &#8220;tr\u1ee5c d\u00e0i&#8221; c\u1ee7a ch\u00f2m Nam Th\u1eadp T\u1ef1, b\u1ea1n s\u1ebd g\u1eb7p &#8220;\u0111i\u1ec3m chi\u1ebfu vu\u00f4ng g\u00f3c&#8221; c\u1ee7a h\u01b0\u1edbng Nam (Ngu\u1ed3n: Internet)<\/em><\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"color: #3643ba;\">1.3. C\u00e1ch x\u00e1c \u0111\u1ecbnh b\u1eb1ng tr\u0103ng l\u01b0\u1ee1i li\u1ec1m<\/span><\/h3>\n<p><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">\u0110\u00e2y l\u00e0 c\u00e1ch x\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng h\u01b0\u1edbng theo d\u00e2n gian nh\u01b0ng v\u1eabn d\u1ef1a tr\u00ean nguy\u00ean l\u00fd thi\u00ean v\u0103n. <\/span><\/p>\n<p><span style=\"font-weight: bold;\">B\u01b0\u1edbc 1:<\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"> Nh\u00ecn l\u00ean M\u1eb7t Tr\u0103ng khi n\u00f3 \u0111ang \u1edf d\u1ea1ng l\u01b0\u1ee1i li\u1ec1m tr\u00f2n d\u1ea7n ho\u1eb7c khuy\u1ebft d\u1ea7n (v\u00e0o \u0111\u1ea7u th\u00e1ng ho\u1eb7c cu\u1ed1i th\u00e1ng)<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: bold;\">B\u01b0\u1edbc 2: <\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">L\u1ea5y hai \u0111\u1ea7u nh\u1ecdn c\u1ee7a tr\u0103ng l\u01b0\u1ee1i li\u1ec1m \u201cn\u1ed1i l\u1ea1i\u201d v\u1edbi nhau th\u00e0nh 1 \u0111\u01b0\u1eddng th\u1eb3ng, k\u00e9o d\u00e0i \u0111\u01b0\u1eddng n\u00e0y xu\u1ed1ng t\u1edbi \u0111\u01b0\u1eddng ch\u00e2n tr\u1eddi.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: bold;\">B\u01b0\u1edbc 3: <\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">\u0110i\u1ec3m giao v\u1edbi \u0111\u01b0\u1eddng ch\u00e2n tr\u1eddi ch\u00ednh l\u00e0 h\u01b0\u1edbng ch\u00ednh:<\/span><\/p>\n<ul class=\"lst-kix_3lf1e4i0u7i4-0 start\" style=\"padding: 0; margin: 0;\">\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">\u1ede B\u1eafc B\u00e1n c\u1ea7u: \u0110\u01b0\u1eddng n\u00e0y s\u1ebd ch\u1ec9 v\u1ec1 h\u01b0\u1edbng Nam.<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">\u1ede Nam B\u00e1n c\u1ea7u: \u0110\u01b0\u1eddng n\u00e0y s\u1ebd ch\u1ec9 v\u1ec1 h\u01b0\u1edbng B\u1eafc.<\/span><\/li>\n<\/ul>\n<div style=\"text-align: center; margin: 1em 0;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-36782 size-full\" src=\"http:\/\/loadbalancer.dktvnblog.com\/blog\/wp-content\/uploads\/2025\/08\/unnamed-file-2096.png\" alt=\"Quan s\u00e1t tr\u0103ng l\u01b0\u1ee1i li\u1ec1m l\u00e0 m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 \u0111\u1ecbnh h\u01b0\u1edbng v\u00e0o ban \u0111\u00eam\" width=\"1280\" height=\"720\" \/><\/div>\n<p style=\"margin: 0; color: #000000; orphans: 2; widows: 2; text-align: center; padding: 0pt 0 10pt 0;\"><span style=\"text-decoration-skip-ink: none;\"><em>Quan s\u00e1t tr\u0103ng l\u01b0\u1ee1i li\u1ec1m l\u00e0 m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 \u0111\u1ecbnh h\u01b0\u1edbng v\u00e0o ban \u0111\u00eam (Ngu\u1ed3n: Internet)<\/em><\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"color: #3643ba;\">1.4. C\u00e1ch x\u00e1c \u0111\u1ecbnh b\u1eb1ng \u0111\u1eb7c \u0111i\u1ec3m m\u00f4i tr\u01b0\u1eddng <\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">Trong t\u1ef1 nhi\u00ean, c\u00e2y c\u1ed1i, r\u00eau, \u0111\u00e1 v\u00e0 \u0111\u1ea5t th\u01b0\u1eddng thay \u0111\u1ed5i t\u00f9y theo h\u01b0\u1edbng ti\u1ebfp x\u00fac v\u1edbi \u00e1nh n\u1eafng M\u1eb7t Tr\u1eddi. Nh\u1eefng d\u1ea5u hi\u1ec7u kh\u00e1c bi\u1ec7t n\u00e0y c\u00f3 th\u1ec3 d\u00f9ng \u0111\u1ec3 \u01b0\u1edbc l\u01b0\u1ee3ng ph\u01b0\u01a1ng h\u01b0\u1edbng.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: bold;\">\u1ede B\u1eafc B\u00e1n c\u1ea7u:<\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"> \u00c1nh n\u1eafng chi\u1ebfu m\u1ea1nh v\u00e0 nhi\u1ec1u h\u01a1n \u1edf h\u01b0\u1edbng Nam, trong khi h\u01b0\u1edbng B\u1eafc th\u01b0\u1eddng \u00edt n\u1eafng n\u00ean \u1ea9m \u01b0\u1edbt v\u00e0 m\u00e1t h\u01a1n.<\/span><\/p>\n<ul class=\"lst-kix_xrrm1wqwr96f-0 start\" style=\"padding: 0; margin: 0;\">\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"font-weight: bold;\">R\u00eau tr\u00ean c\u00e2y v\u00e0 \u0111\u00e1: <\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">R\u00eau \u01b0a n\u01a1i \u1ea9m, m\u00e1t v\u00e0 \u00edt s\u00e1ng n\u00ean th\u01b0\u1eddng m\u1ecdc d\u00e0y h\u01a1n \u1edf m\u1eb7t B\u1eafc c\u1ee7a th\u00e2n c\u00e2y ho\u1eb7c phi\u1ebfn \u0111\u00e1. Ng\u01b0\u1ee3c l\u1ea1i, m\u1eb7t Nam th\u01b0\u1eddng nhi\u1ec1u n\u1eafng h\u01a1n n\u00ean \u00edt r\u00eau b\u00e1m h\u01a1n.<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"font-weight: bold;\">\u0110\u1ea5t v\u00e0 m\u1eb7t \u0111\u00e1:<\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"> Ph\u1ea7n \u0111\u00e1, \u0111\u1ea5t h\u01b0\u1edbng v\u1ec1 ph\u00eda Nam th\u01b0\u1eddng kh\u00f4 r\u00e1o h\u01a1n v\u00ec n\u1eafng nhi\u1ec1u. Trong khi m\u1eb7t B\u1eafc \u1ea9m \u01b0\u1edbt h\u01a1n, d\u1ec5 c\u00f3 r\u00eau ho\u1eb7c rong r\u00eau ph\u1ee7.<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"font-weight: bold;\">V\u00f2ng sinh tr\u01b0\u1edfng c\u1ee7a c\u00e2y (v\u00e2n g\u1ed7)<\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">: C\u00e2y nh\u1eadn nhi\u1ec1u \u00e1nh s\u00e1ng \u1edf ph\u00eda Nam n\u00ean c\u00e1c v\u00f2ng sinh tr\u01b0\u1edfng th\u01b0\u1eddng gi\u00e3n r\u1ed9ng h\u01a1n v\u1ec1 ph\u00eda \u0111\u00f3. Quan s\u00e1t th\u00e2n c\u00e2y c\u1eaft ngang c\u00f3 th\u1ec3 th\u1ea5y v\u00f2ng g\u1ed7 l\u1ec7ch v\u1ec1 ph\u00eda Nam.<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"font-weight: bold;\">C\u00e0nh v\u00e0 t\u00e1n c\u00e2y<\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">: Ph\u00eda nh\u1eadn nhi\u1ec1u \u00e1nh s\u00e1ng M\u1eb7t Tr\u1eddi (th\u01b0\u1eddng l\u00e0 h\u01b0\u1edbng Nam) c\u00f3 c\u00e0nh l\u00e1 ph\u00e1t tri\u1ec3n r\u1eadm r\u1ea1p h\u01a1n. Ng\u01b0\u1ee3c l\u1ea1i, m\u1eb7t B\u1eafc c\u00f3 \u00edt \u00e1nh s\u00e1ng n\u00ean t\u00e1n l\u00e1 th\u01b0a h\u01a1n.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: bold;\">\u1ede Nam B\u00e1n c\u1ea7u:<\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"> B\u1ea1n v\u1eabn quan s\u00e1t c\u00e1c d\u1ea5u hi\u1ec7u t\u01b0\u01a1ng t\u1ef1 nh\u01b0 tr\u00ean, nh\u01b0ng ph\u1ea3i \u0111\u1ea3o ng\u01b0\u1ee3c t\u00ecnh hu\u1ed1ng. Do \u1edf Nam B\u00e1n c\u1ea7u th\u00ec h\u01b0\u1edbng B\u1eafc m\u1edbi l\u00e0 ph\u00eda nhi\u1ec1u n\u1eafng, v\u00e0 h\u01b0\u1edbng Nam s\u1ebd \u1ea9m \u01b0\u1edbt h\u01a1n do \u00edt n\u1eafng.<\/span><\/p>\n<div style=\"text-align: center; margin: 1em 0;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-36783 size-full\" src=\"http:\/\/loadbalancer.dktvnblog.com\/blog\/wp-content\/uploads\/2025\/08\/unnamed-file-2097.png\" alt=\"\u1ede B\u1eafc B\u00e1n c\u1ea7u, r\u00eau th\u01b0\u1eddng m\u1ecdc nhi\u1ec1u h\u01a1n \u1edf m\u1eb7t B\u1eafc c\u1ee7a phi\u1ebfn \u0111\u00e1 ho\u1eb7c th\u00e2n c\u00e2y, \u0111i\u1ec1u n\u00e0y ng\u01b0\u1ee3c l\u1ea1i v\u1edbi Nam B\u00e1n c\u1ea7u\" width=\"1280\" height=\"720\" \/><\/div>\n<p style=\"margin: 0; color: #000000; orphans: 2; widows: 2; text-align: center; padding: 0pt 0 10pt 0;\"><span style=\"text-decoration-skip-ink: none;\"><em>\u1ede B\u1eafc B\u00e1n c\u1ea7u, r\u00eau th\u01b0\u1eddng m\u1ecdc nhi\u1ec1u h\u01a1n \u1edf m\u1eb7t B\u1eafc c\u1ee7a phi\u1ebfn \u0111\u00e1 ho\u1eb7c th\u00e2n c\u00e2y, \u0111i\u1ec1u n\u00e0y ng\u01b0\u1ee3c l\u1ea1i v\u1edbi Nam B\u00e1n c\u1ea7u (Ngu\u1ed3n: Internet)<\/em><\/span><\/p>\n<div style=\"text-align: center; margin: 1em 0;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-36784 size-full\" src=\"http:\/\/loadbalancer.dktvnblog.com\/blog\/wp-content\/uploads\/2025\/08\/unnamed-file-2098.png\" alt=\"V\u00f2ng sinh tr\u01b0\u1edfng c\u1ee7a c\u00e2y th\u00e2n g\u1ed7 c\u0169ng c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n \u0111\u1ecbnh h\u01b0\u1edbng \" width=\"1110\" height=\"531\" \/><\/div>\n<p style=\"margin: 0; color: #000000; orphans: 2; widows: 2; text-align: center; padding: 0pt 0 10pt 0;\"><span style=\"text-decoration-skip-ink: none;\"><em>V\u00f2ng sinh tr\u01b0\u1edfng c\u1ee7a c\u00e2y th\u00e2n g\u1ed7 c\u0169ng c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n \u0111\u1ecbnh h\u01b0\u1edbng (Ngu\u1ed3n: Internet)<\/em><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"><em>L\u01b0u \u00fd: \u0110\u00e2y ch\u1ec9 l\u00e0 nh\u1eefng d\u1ea5u hi\u1ec7u sinh th\u00e1i mang t\u00ednh t\u01b0\u01a1ng \u0111\u1ed1i, ch\u00fang c\u00f3 th\u1ec3 thay \u0111\u1ed5i b\u1edfi c\u00e1c y\u1ebfu t\u1ed1 \u0111\u1eb7c tr\u01b0ng c\u1ee7a t\u1eebng v\u00f9ng mi\u1ec1n. V\u00ec v\u1eady, ch\u1ec9 n\u00ean coi \u0111\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p h\u1ed7 tr\u1ee3 \u0111\u1ec3 \u01b0\u1edbc l\u01b0\u1ee3ng h\u01b0\u1edbng nhanh, kh\u00f4ng n\u00ean ph\u1ee5 thu\u1ed9c duy nh\u1ea5t v\u00e0o ch\u00fang \u0111\u1ec3 \u0111\u1ecbnh h\u01b0\u1edbng khi c\u1ea7n \u0111\u1ed9 ch\u00ednh x\u00e1c cao.<\/em><\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"color: #3643ba;\">1.5. C\u00e1ch x\u00e1c \u0111\u1ecbnh b\u1eb1ng \u0111\u1ed3ng h\u1ed3 kim \u0111eo tay<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">Kim gi\u1edd tr\u00ean \u0111\u1ed3ng h\u1ed3 kim c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a M\u1eb7t Tr\u1eddi trong ng\u00e0y v\u00e0 tr\u1ee5c Nam &#8211; B\u1eafc. C\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c h\u01b0\u1edbng d\u1eabn chi ti\u1ebft d\u01b0\u1edbi \u0111\u00e2y:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: bold;\">\u1ede B\u1eafc B\u00e1n c\u1ea7u:<\/span><\/p>\n<ul class=\"lst-kix_mthz2pr5ugj0-0 start\" style=\"padding: 0; margin: 0;\">\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"font-weight: bold;\">B\u01b0\u1edbc 1:<\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"> C\u1ea7m \u0111\u1ed3ng h\u1ed3 kim n\u1eb1m ngang ho\u1eb7c \u0111\u1eb7t tr\u00ean l\u00f2ng b\u00e0n tay, m\u1eb7t s\u1ed1 h\u01b0\u1edbng l\u00ean tr\u1eddi. L\u01b0u \u00fd \u0111\u1ed3ng h\u1ed3 ph\u1ea3i \u0111\u01b0\u1ee3c hi\u1ec7u ch\u1ec9nh theo \u0111\u00fang gi\u1edd \u0111\u1ecba ph\u01b0\u01a1ng.<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"font-weight: bold;\">B\u01b0\u1edbc 2:<\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"> Xoay \u0111\u1ed3ng h\u1ed3 sao cho kim gi\u1edd (ch\u1ec9 gi\u1edd hi\u1ec7n t\u1ea1i) h\u01b0\u1edbng th\u1eb3ng v\u1ec1 ph\u00eda M\u1eb7t Tr\u1eddi.<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"font-weight: bold;\">B\u01b0\u1edbc 3:<\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"> X\u00e1c \u0111\u1ecbnh g\u00f3c gi\u1eefa kim gi\u1edd v\u00e0 s\u1ed1 12 gi\u1edd tr\u00ean m\u1eb7t \u0111\u1ed3ng h\u1ed3.<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"font-weight: bold;\">B\u01b0\u1edbc 4<\/span>: \u0110\u01b0\u1eddng ph\u00e2n gi\u00e1c (chia \u0111\u00f4i g\u00f3c) gi\u1eefa kim gi\u1edd v\u00e0 s\u1ed1 12 gi\u1edd s\u1ebd ch\u1ec9 h\u01b0\u1edbng Nam. H\u01b0\u1edbng ng\u01b0\u1ee3c l\u1ea1i l\u00e0 h\u01b0\u1edbng B\u1eafc.<\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-weight: bold; text-decoration: none; vertical-align: baseline;\">\u1ede Nam B\u00e1n c\u1ea7u:<\/span><\/p>\n<ul class=\"lst-kix_5lsc1xraeex4-0 start\" style=\"padding: 0; margin: 0;\">\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"font-weight: bold;\">B\u01b0\u1edbc 1:<\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"> C\u1ea7m \u0111\u1ed3ng h\u1ed3 kim n\u1eb1m ngang, m\u1eb7t s\u1ed1 h\u01b0\u1edbng l\u00ean tr\u1eddi.<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"font-weight: bold;\">B\u01b0\u1edbc 2: <\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">Tr\u1ecf s\u1ed1 12 v\u1ec1 ph\u00eda M\u1eb7t Tr\u1eddi.<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"font-weight: bold;\">B\u01b0\u1edbc 3:<\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"> L\u1ea5y g\u00f3c ph\u00e2n gi\u00e1c gi\u1eefa s\u1ed1 12 v\u00e0 kim gi\u1edd. \u0110\u01b0\u1eddng ph\u00e2n gi\u00e1c n\u00e0y s\u1ebd ch\u1ec9 v\u1ec1 h\u01b0\u1edbng B\u1eafc. H\u01b0\u1edbng ng\u01b0\u1ee3c l\u1ea1i l\u00e0 h\u01b0\u1edbng Nam. <\/span><\/li>\n<\/ul>\n<div style=\"text-align: center; margin: 1em 0;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-36785 size-full\" src=\"http:\/\/loadbalancer.dktvnblog.com\/blog\/wp-content\/uploads\/2025\/08\/unnamed-file-2099.png\" alt=\"D\u00f9ng \u0111\u1ed3ng h\u1ed3 kim \u0111\u1ec3 \u01b0\u1edbc l\u01b0\u1ee3ng ph\u01b0\u01a1ng h\u01b0\u1edbng\" width=\"1113\" height=\"528\" \/><\/div>\n<p style=\"margin: 0; color: #000000; orphans: 2; widows: 2; text-align: center; padding: 0pt 0 10pt 0;\"><span style=\"text-decoration-skip-ink: none;\"><em>D\u00f9ng \u0111\u1ed3ng h\u1ed3 kim \u0111\u1ec3 \u01b0\u1edbc l\u01b0\u1ee3ng ph\u01b0\u01a1ng h\u01b0\u1edbng (Ngu\u1ed3n: Internet)<\/em><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"><em>L\u01b0u \u00fd: <\/em><\/span><\/p>\n<ul class=\"lst-kix_8rq841bto77t-0 start\" style=\"padding: 0; margin: 0;\">\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"><em>N\u1ebfu khu v\u1ef1c b\u1ea1n \u0111\u1ee9ng kh\u00f4ng ph\u1ea3i \u1edf Vi\u1ec7t Nam m\u00e0 l\u00e0 n\u01a1i \u0111ang \u00e1p d\u1ee5ng Gi\u1edd ti\u1ebft ki\u1ec7m \u00e1nh s\u00e1ng ban ng\u00e0y (Daylight Saving Time\/DST &#8211; th\u01b0\u1eddng \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh \u1edf nhi\u1ec1u n\u01b0\u1edbc ch\u00e2u \u00c2u, B\u1eafc M\u1ef9, \u00dac,&#8230;), thay v\u00ec l\u1ea5y m\u1ed1c 12 gi\u1edd, h\u00e3y l\u1ea5y m\u1ed1c 1 gi\u1edd \u0111\u1ec3 t\u00ednh (do \u0111\u1ed3ng h\u1ed3 \u1edf \u0111\u00e2y b\u1ecb \u0111\u1ea9y nhanh 1 ti\u1ebfng). Khi \u0111\u00f3, \u0111\u01b0\u1eddng ph\u00e2n gi\u00e1c gi\u1eefa kim gi\u1edd v\u00e0 s\u1ed1 1 ch\u00ednh l\u00e0 h\u01b0\u1edbng Nam. <\/em><\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"><em>\u0110\u1ed3ng h\u1ed3 c\u1ee7a b\u1ea1n ph\u1ea3i \u0111ang ho\u1ea1t \u0111\u1ed9ng chu\u1ea9n x\u00e1c, kh\u00f4ng b\u1ecb sai gi\u1edd.<\/em><\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"><em>\u0110\u00e2y ch\u1ec9 l\u00e0 c\u00e1ch mang t\u00ednh \u01b0\u1edbc l\u01b0\u1ee3ng, kh\u00f4ng thay th\u1ebf \u0111\u01b0\u1ee3c la b\u00e0n th\u1ef1c th\u1ee5.<\/em><\/span><\/li>\n<\/ul>\n<h3 style=\"text-align: justify;\"><span style=\"color: #3643ba;\">1.6. C\u00e1ch x\u00e1c \u0111\u1ecbnh b\u1eb1ng la b\u00e0n kim t\u1ef1 ch\u1ebf<\/span><\/h3>\n<p style=\"text-align: justify;\">Trong t\u00ecnh hu\u1ed1ng kh\u1ea9n c\u1ea5p, b\u1ea1n c\u00f3 th\u1ec3 \u201cch\u1ebf\u201d m\u1ed9t la b\u00e0n \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 t\u00ecm h\u01b0\u1edbng B\u1eafc, gi\u00fap b\u1ea1n \u0111\u1ecbnh h\u01b0\u1edbng nhanh cho ch\u1eb7ng \u0111\u01b0\u1eddng ng\u1eafn.<\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: bold;\">B\u01b0\u1edbc 1: <\/span><span style=\"color: #000000; font-weight: bold; text-decoration: none; vertical-align: baseline;\">Chu\u1ea9n b\u1ecb v\u1eadt li\u1ec7u:<\/span><\/p>\n<ul class=\"lst-kix_bdi86gyzudnj-0 start\" style=\"padding: 0; margin: 0;\">\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">M\u1ed9t chi\u1ebfc kim kh\u00e2u ho\u1eb7c kim ghim.<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">M\u1ed9t m\u1ea3nh l\u00e1 (ho\u1eb7c m\u1ea3nh x\u1ed1p, gi\u1ea5y m\u1ecfng ch\u1ed1ng n\u01b0\u1edbc).<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">M\u1ed9t chi\u1ebfc b\u00e1t ho\u1eb7c \u0111\u0129a c\u00f3 \u0111\u1ef1ng n\u01b0\u1edbc.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-weight: bold; text-decoration: none; vertical-align: baseline;\">B\u01b0\u1edbc 2: T\u1eeb h\u00f3a kim:<\/span><\/p>\n<ul class=\"lst-kix_f66s87fadstl-0 start\" style=\"padding: 0; margin: 0;\">\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\">C<span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">\u1ecd x\u00e1t kim v\u1edbi nam ch\u00e2m (ho\u1eb7c v\u1ea3i l\u1ee5a, len) nhi\u1ec1u l\u1ea7n theo m\u1ed9t chi\u1ec1u duy nh\u1ea5t. <\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">Sau khi t\u1eeb h\u00f3a, m\u1ed9t \u0111\u1ea7u kim tr\u1edf th\u00e0nh c\u1ef1c B\u1eafc t\u1eeb, \u0111\u1ea7u kia l\u00e0 c\u1ef1c Nam t\u1eeb.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-weight: bold; text-decoration: none; vertical-align: baseline;\">B\u01b0\u1edbc 3: Th\u1ea3 kim v\u00e0 quan s\u00e1t:<\/span><\/p>\n<ul class=\"lst-kix_a8lwvr19pp8r-0 start\" style=\"padding: 0; margin: 0;\">\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">\u0110\u1eb7t kim n\u1eb1m ngang tr\u00ean b\u1ec1 m\u1eb7t m\u1ed9t chi\u1ebfc l\u00e1 nh\u1ecf, r\u1ed3i th\u1ea3 l\u00e1 n\u1ed5i tr\u00ean m\u1eb7t n\u01b0\u1edbc. <\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">Kim s\u1ebd xoay t\u1ef1 do kho\u1ea3ng v\u00e0i gi\u00e2y, sau \u0111\u00f3 \u1ed5n \u0111\u1ecbnh theo t\u1eeb tr\u01b0\u1eddng Tr\u00e1i \u0110\u1ea5t, m\u1ed9t \u0111\u1ea7u ch\u1ec9 v\u1ec1 B\u1eafc t\u1eeb, \u0111\u1ea7u c\u00f2n l\u1ea1i ch\u1ec9 v\u1ec1 Nam t\u1eeb.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-weight: bold; text-decoration: none; vertical-align: baseline;\">B\u01b0\u1edbc 4: X\u00e1c \u0111\u1ecbnh \u0111\u1ea7u B\u1eafc &#8211; Nam:<\/span><\/p>\n<ul class=\"lst-kix_26ptykf30y63-0 start\" style=\"padding: 0; margin: 0;\">\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">\u1ede B\u1eafc B\u00e1n c\u1ea7u: V\u00e0o ban ng\u00e0y, \u0111\u1ea7u kim n\u00e0o h\u01b0\u1edbng v\u1ec1 ph\u00eda M\u1eb7t Tr\u1eddi th\u00ec \u0111\u00f3 l\u00e0 \u0111\u1ea7u Nam, \u0111\u1ea7u ng\u01b0\u1ee3c l\u1ea1i ch\u00ednh l\u00e0 B\u1eafc.<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">\u1ede Nam B\u00e1n c\u1ea7u: V\u00e0o ban ng\u00e0y, \u0111\u1ea7u kim h\u01b0\u1edbng v\u1ec1 ph\u00eda M\u1eb7t Tr\u1eddi s\u1ebd l\u00e0 B\u1eafc, c\u00f2n \u0111\u1ea7u ng\u01b0\u1ee3c l\u1ea1i l\u00e0 Nam.<\/span><\/li>\n<\/ul>\n<div style=\"text-align: center; margin: 1em 0;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-36786 size-full\" src=\"http:\/\/loadbalancer.dktvnblog.com\/blog\/wp-content\/uploads\/2025\/08\/unnamed-file-2100.png\" alt=\"T\u1ef1 ch\u1ebf la b\u00e0n \u0111\u01a1n gi\u1ea3n b\u1eb1ng l\u00e1 v\u00e0 c\u00e2y kim\" width=\"1024\" height=\"1024\" \/><\/div>\n<p style=\"margin: 0; color: #000000; orphans: 2; widows: 2; text-align: center; padding: 0pt 0 10pt 0;\"><span style=\"text-decoration-skip-ink: none;\"><em>T\u1ef1 ch\u1ebf la b\u00e0n \u0111\u01a1n gi\u1ea3n b\u1eb1ng l\u00e1 v\u00e0 c\u00e2y kim (Ngu\u1ed3n: Internet)<\/em><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"><em>L\u01b0u \u00fd<\/em><\/span><\/p>\n<ul class=\"lst-kix_3p246hekj1nb-0 start\" style=\"padding: 0; margin: 0;\">\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"><em>\u0110\u00e2y l\u00e0 c\u00e1ch t\u1ea1o la b\u00e0n t\u1ea1m th\u1eddi, \u0111\u1ed9 ch\u00ednh x\u00e1c ch\u1ec9 mang t\u00ednh t\u01b0\u01a1ng \u0111\u1ed1i.<\/em><\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"><em>Kim t\u1eeb h\u00f3a y\u1ebfu c\u00f3 th\u1ec3 xoay ch\u1eadm ho\u1eb7c kh\u00f4ng \u1ed5n \u0111\u1ecbnh.<\/em><\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><em>M\u1ef1c n\u01b0\u1edbc trong b\u00e1t ph\u1ea3i \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 t\u0129nh, kh\u00f4ng c\u00f3 gi\u00f3, kh\u00f4ng b\u1ecb rung \u0111\u1ed9ng \u0111\u1ec3 kim ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c.<\/em><\/li>\n<\/ul>\n<h2 style=\"color: #2f33bf; font-weight: bold; display: inline-block;\">2. C\u00e1ch x\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng h\u01b0\u1edbng tr\u00ean b\u1ea3n \u0111\u1ed3 nhanh, chu\u1ea9n<\/h2>\n<p style=\"text-align: justify;\">T<span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">r\u00ean b\u1ea3n \u0111\u1ed3 c\u00f3 4 h\u01b0\u1edbng ch\u00ednh bao g\u1ed3m: <\/span><\/p>\n<ul class=\"lst-kix_omkw1avzqiyt-0 start\" style=\"padding: 0; margin: 0;\">\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">B\u1eafc (North) th\u01b0\u1eddng \u1edf ph\u00eda tr\u00ean c\u00f9ng c\u1ee7a b\u1ea3n \u0111\u1ed3.<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">Nam (South) th\u01b0\u1eddng \u1edf ph\u00eda d\u01b0\u1edbi c\u00f9ng c\u1ee7a b\u1ea3n \u0111\u1ed3.<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">\u0110\u00f4ng (East) th\u01b0\u1eddng \u1edf ph\u00eda b\u00ean ph\u1ea3i c\u1ee7a b\u1ea3n \u0111\u1ed3.<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">T\u00e2y (West) th\u01b0\u1eddng \u1edf ph\u00eda b\u00ean tr\u00e1i c\u1ee7a b\u1ea3n \u0111\u1ed3.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">Ngo\u00e0i ra c\u00f2n c\u00f3 c\u00e1c h\u01b0\u1edbng trung gian l\u00e0: \u0110\u00f4ng B\u1eafc (North-East), \u0110\u00f4ng Nam (South-East), T\u00e2y Nam (South-West) v\u00e0 T\u00e2y B\u1eafc (North-West). <\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"color: #3643ba;\">2.1. C\u00e1ch x\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng h\u01b0\u1edbng tr\u00ean b\u1ea3n \u0111\u1ed3<\/span><\/h3>\n<p><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">C\u00f3 2 c\u00e1ch \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng h\u01b0\u1edbng tr\u00ean b\u1ea3n \u0111\u1ed3 nh\u01b0 sau:<\/span><\/p>\n<p><span style=\"color: #000000; font-weight: bold; text-decoration: none; vertical-align: baseline;\">C\u00e1ch 1 &#8211; D\u1ef1a v\u00e0o \u0111\u01b0\u1eddng kinh tuy\u1ebfn v\u00e0 v\u0129 tuy\u1ebfn:<\/span><\/p>\n<ul class=\"lst-kix_rcjekkld13ui-0 start\" style=\"padding: 0; margin: 0;\">\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"font-weight: bold;\">Kinh tuy\u1ebfn: <\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">L\u00e0 nh\u1eefng \u0111\u01b0\u1eddng d\u1ecdc tr\u00ean b\u1ea3n \u0111\u1ed3.<\/span><\/li>\n<\/ul>\n<ul class=\"lst-kix_rcjekkld13ui-1 start\" style=\"padding: 0; margin: 0;\">\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">\u0110\u1ea7u ph\u00eda tr\u00ean c\u1ee7a kinh tuy\u1ebfn l\u00e0 h\u01b0\u1edbng B\u1eafc (N).<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">\u0110\u1ea7u ph\u00eda d\u01b0\u1edbi l\u00e0 h\u01b0\u1edbng Nam (S).<\/span><\/li>\n<\/ul>\n<ul class=\"lst-kix_rcjekkld13ui-0\" style=\"padding: 0; margin: 0;\">\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"font-weight: bold;\">V\u0129 tuy\u1ebfn: <\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">L\u00e0 nh\u1eefng \u0111\u01b0\u1eddng n\u1eb1m ngang b\u1ea3n \u0111\u1ed3<\/span><\/li>\n<\/ul>\n<ul class=\"lst-kix_rcjekkld13ui-1 start\" style=\"padding: 0; margin: 0;\">\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">\u0110\u1ea7u b\u00ean tr\u00e1i c\u1ee7a v\u0129 tuy\u1ebfn l\u00e0 h\u01b0\u1edbng T\u00e2y (W).<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">\u0110\u1ea7u b\u00ean ph\u1ea3i l\u00e0 h\u01b0\u1edbng \u0110\u00f4ng (E).<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">Khi b\u1ea3n \u0111\u1ed3 c\u00f3 s\u1eb5n h\u1ec7 th\u1ed1ng l\u01b0\u1edbi kinh tuy\u1ebfn v\u00e0 v\u0129 tuy\u1ebfn, b\u1ea1n ch\u1ec9 c\u1ea7n d\u1ef1a v\u00e0o quy t\u1eafc n\u00e0y l\u00e0 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c b\u1ed1n h\u01b0\u1edbng c\u01a1 b\u1ea3n.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-weight: bold; text-decoration: none; vertical-align: baseline;\">C\u00e1ch 2 &#8211; D\u1ef1a v\u00e0o m\u0169i t\u00ean ch\u1ec9 h\u01b0\u1edbng B\u1eafc:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">Nhi\u1ec1u lo\u1ea1i b\u1ea3n \u0111\u1ed3 du l\u1ecbch ho\u1eb7c b\u1ea3n \u0111\u1ed3 \u0111\u1ecba ph\u01b0\u01a1ng th\u01b0\u1eddng kh\u00f4ng in l\u01b0\u1edbi kinh tuy\u1ebfn v\u00e0 v\u0129 tuy\u1ebfn chi ti\u1ebft. B\u1ea1n ph\u1ea3i d\u1ef1a v\u00e0o m\u0169i t\u00ean ch\u1ec9 h\u01b0\u1edbng B\u1eafc (North Arrow) in s\u1eb5n tr\u00ean b\u1ea3n \u0111\u1ed3. Khi \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c h\u01b0\u1edbng B\u1eafc, b\u1ea1n s\u1ebd suy ra \u0111\u01b0\u1ee3c c\u00e1c h\u01b0\u1edbng c\u00f2n l\u1ea1i.<\/span><\/p>\n<div style=\"text-align: center; margin: 1em 0;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-36787 size-full\" src=\"http:\/\/loadbalancer.dktvnblog.com\/blog\/wp-content\/uploads\/2025\/08\/unnamed-file-2101.png\" alt=\"H\u1ec7 th\u1ed1ng l\u01b0\u1edbi to\u1ea1 \u0111\u1ed9 s\u1ebd gi\u00fap b\u1ea1n x\u00e1c \u0111\u1ecbnh c\u00e1c h\u01b0\u1edbng tr\u00ean b\u1ea3n \u0111\u1ed3\" width=\"1024\" height=\"1024\" \/><\/div>\n<p style=\"margin: 0; color: #000000; orphans: 2; widows: 2; text-align: center; padding: 0pt 0 10pt 0;\"><span style=\"text-decoration-skip-ink: none;\"><em>H\u1ec7 th\u1ed1ng l\u01b0\u1edbi to\u1ea1 \u0111\u1ed9 s\u1ebd gi\u00fap b\u1ea1n x\u00e1c \u0111\u1ecbnh c\u00e1c h\u01b0\u1edbng tr\u00ean b\u1ea3n \u0111\u1ed3<\/em><\/span><span style=\"font-weight: 400; text-decoration: none; vertical-align: baseline;\"><em> (Ngu\u1ed3n: Internet)<\/em><\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"color: #3643ba;\">2.2. C\u00e1ch d\u00f9ng b\u1ea3n \u0111\u1ed3 x\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng h\u01b0\u1edbng ngo\u00e0i th\u1ef1c t\u1ebf<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">B\u1ea3n \u0111\u1ed3 \u0111\u1ecba h\u00ecnh k\u1ebft h\u1ee3p v\u1edbi la b\u00e0n l\u00e0 c\u00e1ch \u0111\u1ecbnh h\u01b0\u1edbng c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao, \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho c\u1ea3 nh\u1eefng \u0111o\u1ea1n \u0111\u01b0\u1eddng d\u00e0i ho\u1eb7c \u0111\u1ecba h\u00ecnh ph\u1ee9c t\u1ea1p.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-weight: bold; text-decoration: none; vertical-align: baseline;\">Chu\u1ea9n b\u1ecb: <\/span><\/p>\n<ul class=\"lst-kix_w10w6rozykxg-0 start\" style=\"padding: 0; margin: 0;\">\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\">B\u1ea3n \u0111\u1ed3<span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"> c\u00f3 k\u00fd hi\u1ec7u ch\u1ec9 h\u01b0\u1edbng B\u1eafc th\u1eadt. N\u1ebfu b\u1ea1n \u0111i \u0111\u01b0\u1eddng d\u00e0i ho\u1eb7c khu v\u1ef1c c\u00f3 \u0111\u1ecba h\u00ecnh ph\u1ee9c t\u1ea1p th\u00ec \u01b0u ti\u00ean s\u1eed d\u1ee5ng b\u1ea3n \u0111\u1ed3 \u0111\u1ecba h\u00ecnh c\u00f3 c\u00e1c \u0111\u01b0\u1eddng \u0111\u1ed3ng m\u1ee9c, l\u01b0\u1edbi to\u1ea1 \u0111\u1ed9 v\u00e0 ghi r\u00f5 \u0111\u1ed9 l\u1ec7ch t\u1eeb t\u00ednh.<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\">La b\u00e0n<span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"> c\u00f3 v\u00f2ng xoay \u0111o g\u00f3c v\u00e0 t\u00ednh n\u0103ng \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 l\u1ec7ch t\u1eeb. <\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: bold;\">H\u01b0\u1edbng d\u1eabn c\u00e1c b\u01b0\u1edbc:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: bold;\">B\u01b0\u1edbc 1:<\/span> X\u00e1c \u0111\u1ecbnh h\u01b0\u1edbng B\u1eafc tr\u00ean b\u1ea3n \u0111\u1ed3, c\u00e1c l\u01b0\u1edbi kinh tuy\u1ebfn (\u0111\u01b0\u1eddng d\u1ecdc), v\u0129 tuy\u1ebfn (\u0111\u01b0\u1eddng ngang) \u0111\u1ec3 l\u00e0m tham chi\u1ebfu.<\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: bold;\">B\u01b0\u1edbc 2<\/span>: \u0110\u1eb7t la b\u00e0n l\u00ean m\u00e9p b\u1ea3n \u0111\u1ed3. Ch\u1ec9nh cho m\u00e9p c\u1ea1nh th\u1eb3ng c\u1ee7a la b\u00e0n song song v\u1edbi \u0111\u01b0\u1eddng kinh tuy\u1ebfn.<\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: bold;\">B\u01b0\u1edbc 3<\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">: Xoay c\u1ea3 b\u1ea3n \u0111\u1ed3 v\u00e0 la b\u00e0n cho \u0111\u1ebfn khi:<\/span><\/p>\n<ul class=\"lst-kix_kzkcnzhe3ivf-0 start\" style=\"padding: 0; margin: 0;\">\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">V\u1ea1ch B\u1eafc tr\u00ean v\u00f2ng chia \u0111\u1ed9 c\u1ee7a la b\u00e0n tr\u00f9ng v\u1edbi \u0111\u01b0\u1eddng B\u1eafc &#8211; Nam in tr\u00ean b\u1ea3n \u0111\u1ed3.<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">\u0110\u1ed3ng th\u1eddi, kim la b\u00e0n ch\u1ec9 \u0111\u00fang h\u01b0\u1edbng B\u1eafc &#8211; Nam ngo\u00e0i th\u1ef1c t\u1ebf. Ch\u1edd \u0111\u1ebfn khi kim \u1ed5n \u0111\u1ecbnh, kh\u00f4ng c\u00f2n dao \u0111\u1ed9ng.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: bold;\">B\u01b0\u1edbc 4: <\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">Tr\u00ean b\u1ea3n \u0111\u1ed3, ph\u01b0\u01a1ng h\u01b0\u1edbng B\u1eafc th\u1eadt \u0111\u00e3 tr\u00f9ng v\u1edbi h\u01b0\u1edbng B\u1eafc kim la b\u00e0n ch\u1ec9. B\u1ea3n \u0111\u1ed3 c\u0169ng \u201cquay \u0111\u00fang h\u01b0\u1edbng\u201d kh\u1edbp v\u1edbi th\u1ef1c \u0111\u1ecba. <\/span><\/p>\n<ul class=\"lst-kix_hosatb47lq0e-0 start\" style=\"padding: 0; margin: 0;\">\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">T\u1eeb \u0111\u00e2y b\u1ea1n s\u1ebd suy ra \u0111\u01b0\u1ee3c c\u00e1c ph\u01b0\u01a1ng h\u01b0\u1edbng c\u00f2n l\u1ea1i (\u0110\u00f4ng, T\u00e2y, Nam).<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">B\u1ea1n c\u0169ng d\u1ec5 d\u00e0ng \u0111\u1ed1i chi\u1ebfu b\u1ea3n \u0111\u1ed3 v\u1edbi c\u00e1c \u0111\u1ecba v\u1eadt ngo\u00e0i th\u1ef1c t\u1ebf \u0111\u1ec3 di chuy\u1ec3n ch\u00ednh x\u00e1c.<\/span><\/li>\n<\/ul>\n<div style=\"text-align: center; margin: 1em 0;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-36788 size-full\" src=\"http:\/\/loadbalancer.dktvnblog.com\/blog\/wp-content\/uploads\/2025\/08\/unnamed-file-2102.png\" alt=\"D\u00f9ng b\u1ea3n \u0111\u1ed3 k\u1ebft h\u1ee3p la b\u00e0n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng h\u01b0\u1edbng ngo\u00e0i th\u1ef1c t\u1ebf (Ngu\u1ed3n: Internet)\" width=\"850\" height=\"630\" \/><\/div>\n<p style=\"margin: 0; color: #000000; orphans: 2; widows: 2; text-align: center; padding: 0pt 0 10pt 0;\"><span style=\"text-decoration-skip-ink: none;\"><em>D\u00f9ng b\u1ea3n \u0111\u1ed3 k\u1ebft h\u1ee3p la b\u00e0n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng h\u01b0\u1edbng ngo\u00e0i th\u1ef1c t\u1ebf (Ngu\u1ed3n: Internet)<\/em><\/span><\/p>\n<p style=\"margin: 0; color: #000000; orphans: 2; widows: 2; text-align: justify; padding: 12pt 0 10pt 0;\">\u0110\u00e2y l\u00e0 c\u00e1ch c\u01a1 b\u1ea3n nh\u1ea5t \u0111\u1ec3 d\u00f9ng la b\u00e0n c\u00f9ng b\u1ea3n \u0111\u1ed3. La b\u00e0n c\u00f2n h\u1ed7 tr\u1ee3 nhi\u1ec1u t\u00ecnh hu\u1ed1ng \u0111\u1ecbnh h\u01b0\u1edbng ngo\u00e0i th\u1ef1c \u0111\u1ecba, nh\u1ea5t l\u00e0 \u1edf \u0111\u1ecba h\u00ecnh ph\u1ee9c t\u1ea1p. Chi ti\u1ebft m\u1eddi b\u1ea1n \u0111\u1ecdc th\u00eam trong b\u00e0i vi\u1ebft \u201cC\u00e1ch s\u1eed d\u1ee5ng la b\u00e0n d\u1ec5 hi\u1ec3u cho ng\u01b0\u1eddi m\u1edbi!\u201d<span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"color: #3643ba;\">2.3. X\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng h\u01b0\u1edbng tr\u00ean b\u1ea3n \u0111\u1ed3 khi kh\u00f4ng c\u00f3 la b\u00e0n<\/span><\/h3>\n<p><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">Trong tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng s\u1eed d\u1ee5ng la b\u00e0n, b\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng c\u00e1c c\u00e1ch sau \u0111\u1ec3 \u0111\u1ecbnh h\u01b0\u1edbng:<\/span><\/p>\n<p><span style=\"font-weight: bold;\">\u0110\u1ed3ng h\u1ed3 kim:<\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"> \u00c1p d\u1ee5ng c\u00e1ch x\u00e1c \u0111\u1ecbnh h\u01b0\u1edbng B\u1eafc\/Nam t\u1eeb \u0111\u1ed3ng h\u1ed3 kim (xem m\u1ee5c 1.5) r\u1ed3i \u0111\u1eb7t b\u1ea3n \u0111\u1ed3 sao cho tr\u1ee5c B\u1eafc &#8211; Nam song song v\u1edbi h\u01b0\u1edbng \u0111\u00e3 x\u00e1c \u0111\u1ecbnh.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: bold;\">Quan s\u00e1t \u0111\u1eb7c \u0111i\u1ec3m \u0111\u1ecba l\u00fd<\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"> ngo\u00e0i th\u1ef1c t\u1ebf nh\u01b0 s\u00f4ng su\u1ed1i, \u0111\u01b0\u1eddng qu\u1ed1c l\u1ed9, \u0111\u1ec9nh n\u00fai, ng\u1ecdn \u0111\u1ed3i,\u2026 r\u1ed3i so s\u00e1nh v\u1edbi b\u1ea3n \u0111\u1ed3 \u0111\u1ec3 \u0111\u1ecbnh v\u1ecb. Sau \u0111\u00f3 xoay b\u1ea3n \u0111\u1ed3 sao cho c\u00e1c \u0111i\u1ec3m nh\u1eadn bi\u1ebft tr\u00ean b\u1ea3n \u0111\u1ed3 tr\u00f9ng kh\u1edbp v\u1edbi \u0111\u1ecba v\u1eadt ngo\u00e0i \u0111\u1eddi th\u1ef1c.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"><em>V\u00ed d\u1ee5: B\u1ea1n \u0111\u1ee9ng \u1edf m\u1ed9t thung l\u0169ng, nh\u00ecn th\u1ea5y tr\u01b0\u1edbc m\u1eb7t c\u00f3 m\u1ed9t ng\u1ecdn \u0111\u1ed3i cao v\u1edbi t\u00ean \u201c\u0110\u1ed3i A\u201d tr\u00ean b\u1ea3n \u0111\u1ed3. B\u1ea1n xoay b\u1ea3n \u0111\u1ed3 \u0111\u1ebfn khi \u201c\u0110\u1ed3i A\u201d tr\u00ean b\u1ea3n \u0111\u1ed3 c\u0169ng n\u1eb1m ph\u00eda tr\u01b0\u1edbc gi\u1ed1ng nh\u01b0 ngo\u00e0i \u0111\u1eddi. N\u1ebfu b\u00ean ph\u1ea3i b\u1ea1n c\u00f3 m\u1ed9t con su\u1ed1i v\u00e0 b\u1ea3n \u0111\u1ed3 c\u0169ng th\u1ec3 hi\u1ec7n con su\u1ed1i \u1edf b\u00ean ph\u1ea3i thung l\u0169ng, ngh\u0129a l\u00e0 b\u1ea3n \u0111\u1ed3 \u0111\u00e3 kh\u1edbp ph\u01b0\u01a1ng h\u01b0\u1edbng.<\/em><\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"color: #3643ba;\">2.4. Th\u1ef1c h\u00e0nh ngo\u00e0i t\u1ef1 nhi\u00ean<\/span><\/h3>\n<p><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">\u0110\u1ec3 th\u00e0nh th\u1ea1o c\u00e1ch x\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng h\u01b0\u1edbng tr\u00ean b\u1ea3n \u0111\u1ed3, m\u1ed7i tu\u1ea7n b\u1ea1n c\u00f3 th\u1ec3 d\u00e0nh 30 &#8211; 60 ph\u00fat th\u1ef1c h\u00e0nh.<\/span><\/p>\n<p><span style=\"color: #000000; font-weight: bold; text-decoration: none; vertical-align: baseline;\">H\u01b0\u1edbng d\u1eabn b\u00e0i t\u1eadp:<\/span><\/p>\n<ul class=\"lst-kix_b9ber6tuim57-0 start\" style=\"padding: 0; margin: 0;\">\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">\u0110\u1eb7t m\u1ee5c ti\u00eau g\u1ea7n: Ch\u1ecdn m\u1ed9t m\u1ed1c d\u1ec5 th\u1ea5y c\u00e1ch b\u1ea1n kho\u1ea3ng 300m (c\u00e2y l\u1edbn, c\u1ed9t \u0111i\u1ec7n, nh\u00e0 c\u1eeda,&#8230;).<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">D\u00f9ng la b\u00e0n x\u00e1c \u0111\u1ecbnh h\u01b0\u1edbng B\u1eafc v\u00e0 xoay b\u1ea3n \u0111\u1ed3 kh\u1edbp v\u1edbi th\u1ef1c \u0111\u1ecba (h\u01b0\u1edbng d\u1eabn \u1edf ph\u1ea7n 2.2)<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">\u0110i theo ph\u01b0\u01a1ng h\u01b0\u1edbng \u0111\u00e3 x\u00e1c \u0111\u1ecbnh, v\u1eeba \u0111i v\u1eeba so s\u00e1nh v\u1edbi \u0111\u1ecba v\u1eadt (\u0111\u01b0\u1eddng, su\u1ed1i, b\u1ee5i c\u00e2y, to\u00e0 nh\u00e0, ng\u1ecdn \u0111\u1ed3i,&#8230;).<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">\u0110\u1ed1i chi\u1ebfu ch\u00e9o: sau m\u1ed7i 50 &#8211; 100m, ki\u1ec3m tra l\u1ea1i b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nh\u01b0 b\u00f3ng m\u1eb7t tr\u1eddi, d\u1ea5u hi\u1ec7u m\u00f4i tr\u01b0\u1eddng, thi\u1ebft b\u1ecb c\u00f4ng ngh\u1ec7,&#8230; \u0111\u1ec3 gi\u1ea3m sai s\u1ed1<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">\u0110\u00e1nh gi\u00e1 sai s\u1ed1: N\u1ebfu b\u1ea1n \u0111\u1ebfn sai v\u1ecb tr\u00ed, h\u00e3y ghi l\u1ea1i sai s\u1ed1 \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh h\u01b0\u1edbng \u0111i \u0111\u00fang h\u01a1n.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-weight: bold; text-decoration: none; vertical-align: baseline;\">L\u01b0u \u00fd khi th\u1ef1c h\u00e0nh:<\/span><\/p>\n<ul class=\"lst-kix_f8bksw39rare-0 start\" style=\"padding: 0; margin: 0;\">\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"><em>\u0110\u1eb7t b\u1ea3n \u0111\u1ed3 tr\u00ean m\u1eb7t ph\u1eb3ng, tr\u00e1nh \u0111\u1ec3 g\u1ea7n kim lo\u1ea1i ho\u1eb7c ngu\u1ed3n \u0111i\u1ec7n m\u1ea1nh v\u00ec s\u1ebd g\u00e2y nhi\u1ec5u la b\u00e0n.<\/em><\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><em>N\u00ean chia ch\u1eb7ng \u0111i ng\u1eafn \u0111\u1ec3 ki\u1ec3m so\u00e1t v\u00e0 \u0111i\u1ec1u ch\u1ec9nh ngay khi sai l\u1ec7ch.<\/em><\/li>\n<\/ul>\n<h2 style=\"color: #2f33bf; font-weight: bold; display: inline-block;\">3. X\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng h\u01b0\u1edbng b\u1eb1ng thi\u1ebft b\u1ecb c\u00f4ng ngh\u1ec7<\/h2>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">Thi\u1ebft b\u1ecb c\u00f4ng ngh\u1ec7 \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi l\u1ef1a ch\u1ecdn \u0111\u1ec3 \u0111\u1ecbnh h\u01b0\u1edbng, nh\u1ea5t l\u00e0 khi \u0111i r\u1eebng, trekking ho\u1eb7c ph\u01b0\u1ee3t \u0111\u01b0\u1eddng d\u00e0i. M\u1ed9t s\u1ed1 c\u00f4ng c\u1ee5 ph\u1ed5 bi\u1ebfn g\u1ed3m:<\/span><\/p>\n<p style=\"margin: 0; color: #000000; orphans: 2; widows: 2; text-align: justify; padding: 12pt 0 10pt 0;\"><span style=\"font-weight: bold;\">\u0110i\u1ec7n tho\u1ea1i th\u00f4ng minh: <\/span>Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u1ee9ng d\u1ee5ng la b\u00e0n ho\u1eb7c \u1ee9ng d\u1ee5ng b\u1ea3n \u0111\u1ed3 tr\u00ean \u0111i\u1ec7n tho\u1ea1i \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng h\u01b0\u1edbng.<\/p>\n<div style=\"text-align: center; margin: 1em 0;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-36789 size-full\" src=\"http:\/\/loadbalancer.dktvnblog.com\/blog\/wp-content\/uploads\/2025\/08\/unnamed-file-2103.png\" alt=\"\u1ee8ng d\u1ee5ng b\u1ea3n \u0111\u1ed3 tr\u00ean \u0111i\u1ec7n tho\u1ea1i c\u00f3 c\u1ea3 t\u00ednh n\u0103ng la b\u00e0n \u0111\u1ecbnh h\u01b0\u1edbng v\u00e0 \u0111i\u1ec1u h\u01b0\u1edbng \u0111\u1ebfn \u0111i\u1ec3m \u0111\u00edch\" width=\"1600\" height=\"900\" \/><\/div>\n<p style=\"margin: 0; color: #000000; orphans: 2; widows: 2; text-align: center; padding: 12pt 0 10pt 0;\"><span style=\"text-decoration-skip-ink: none;\"><em>\u1ee8ng d\u1ee5ng b\u1ea3n \u0111\u1ed3 tr\u00ean \u0111i\u1ec7n tho\u1ea1i c\u00f3 c\u1ea3 t\u00ednh n\u0103ng la b\u00e0n \u0111\u1ecbnh h\u01b0\u1edbng v\u00e0 \u0111i\u1ec1u h\u01b0\u1edbng \u0111\u1ebfn \u0111i\u1ec3m \u0111\u00edch (Ngu\u1ed3n: Internet)<\/em><\/span><\/p>\n<p style=\"margin: 0; color: #000000; orphans: 2; widows: 2; text-align: justify; padding: 12pt 0 10pt 0;\"><span style=\"font-weight: bold;\">M\u00e1y GPS c\u1ea7m tay: <\/span>Thi\u1ebft b\u1ecb n\u00e0y r\u1ea5t <span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">h\u1eefu \u00edch cho nh\u1eefng chuy\u1ebfn \u0111i d\u00e0i ng\u00e0y \u1edf khu v\u1ef1c \u00edt s\u00f3ng, gi\u00fap hi\u1ec3n th\u1ecb h\u01b0\u1edbng \u0111i hi\u1ec7n t\u1ea1i c\u1ee7a b\u1ea1n v\u00e0 theo d\u00f5i s\u00e1t sao l\u1ed9 tr\u00ecnh tr\u00ean m\u1eb7t \u0111\u1ea5t. \u0110a ph\u1ea7n c\u00e1c m\u00e1y GPS \u0111\u1ec1u c\u00f3 nh\u1eefng t\u00ednh n\u0103ng n\u1ed5i b\u1eadt bao g\u1ed3m:<\/span><\/p>\n<ul class=\"lst-kix_uj4aj21xw3yj-0 start\" style=\"padding: 0; margin: 0;\">\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 12pt 0 10pt 0pt;\"><span style=\"font-weight: bold;\">Trang v\u1ec7 tinh<\/span>: Hi\u1ec3n th\u1ecb h\u1ec7 to\u1ea1 \u0111\u1ed9 ho\u1eb7c s\u1ed1 v\u1ec7 tinh, c\u01b0\u1eddng \u0111\u1ed9 t\u00edn hi\u1ec7u, \u0111\u1ed9 ch\u00ednh x\u00e1c,&#8230;<\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: bold; text-decoration: none; vertical-align: baseline;\">Trang b\u1ea3n \u0111\u1ed3: <\/span><\/li>\n<\/ul>\n<ul class=\"lst-kix_uj4aj21xw3yj-1 start\" style=\"padding: 0; margin: 0;\">\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">B\u1ea1n s\u1ebd th\u1ea5y m\u1ed9t bi\u1ec3u t\u01b0\u1ee3ng tam gi\u00e1c nh\u1ecf (ho\u1eb7c m\u0169i t\u00ean) \u0111\u1ea1i di\u1ec7n cho v\u1ecb tr\u00ed hi\u1ec7n t\u1ea1i c\u1ee7a b\u1ea1n. <\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">C\u00f3 th\u1ec3 ph\u00f3ng to ho\u1eb7c thu nh\u1ecf b\u1ea3n \u0111\u1ed3 \u0111\u1ec3 xem \u0111\u1ecba h\u00ecnh (\u0111\u01b0\u1eddng, s\u00f4ng, \u0111\u1ed3ng m\u1ee9c,&#8230;).<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">Khi di chuy\u1ec3n, m\u00e1y GPS s\u1ebd t\u1ef1 \u0111\u1ed9ng v\u1ebd l\u1ea1i \u0111\u01b0\u1eddng b\u1ea1n v\u1eeba \u0111i qua, gi\u00fap b\u1ea1n t\u00ecm \u0111\u01b0\u1eddng quay l\u1ea1i v\u1ecb tr\u00ed c\u0169 theo \u0111\u00fang l\u1ed9 tr\u00ecnh<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">T\u00ednh n\u0103ng \u0111\u00e1nh d\u1ea5u \u0111i\u1ec3m \u0111\u1ec3 ghi nh\u1edb v\u1ecb tr\u00ed c\u1ea7n thi\u1ebft (ch\u1ed7 \u0111\u1eadu xe, \u0111i\u1ec3m c\u1eafm tr\u1ea1i, ngu\u1ed3n n\u01b0\u1edbc,&#8230;)<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 12pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">\u0110i\u1ec1u h\u01b0\u1edbng \u0111\u1ebfn \u0111i\u1ec3m \u0111\u00e3 \u0111\u00e1nh d\u1ea5u<\/span><\/li>\n<\/ul>\n<p style=\"margin: 0; color: #000000; orphans: 2; widows: 2; text-align: justify; padding: 12pt 0 10pt 0;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"><em>L\u01b0u \u00fd: <\/em><\/span><\/p>\n<ul class=\"lst-kix_g4cs35v8u3nc-0 start\" style=\"padding: 0; margin: 0;\">\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 12pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"><em>Pin thi\u1ebft b\u1ecb nh\u01b0 \u0111i\u1ec7n tho\u1ea1i ho\u1eb7c m\u00e1y GPS c\u00f3 th\u1ec3 h\u1ebft nhanh khi s\u1eed d\u1ee5ng li\u00ean t\u1ee5c ngo\u00e0i tr\u1eddi, v\u00ec v\u1eady lu\u00f4n chu\u1ea9n b\u1ecb pin d\u1ef1 ph\u00f2ng ho\u1eb7c s\u1ea1c d\u1ef1 ph\u00f2ng.<\/em><\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 12pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"><em>Thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 b\u1ecb l\u1ed7i ph\u1ea7n m\u1ec1m ho\u1eb7c b\u1ecb nhi\u1ec5u t\u00edn hi\u1ec7u, v\u00ec v\u1eady kh\u00f4ng n\u00ean ph\u1ee5 thu\u1ed9c ho\u00e0n to\u00e0n v\u00e0o c\u00f4ng ngh\u1ec7 m\u00e0 ph\u1ea3i k\u1ebft h\u1ee3p c\u1ea3 ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n th\u1ed1ng.<\/em><\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 12pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"><em>Th\u01b0\u1eddng xuy\u00ean hi\u1ec7u ch\u1ec9nh c\u1ea3m bi\u1ebfn \u0111\u1ecbnh h\u01b0\u1edbng, ki\u1ec3m tra t\u00edn hi\u1ec7u v\u00e0 t\u00ecnh tr\u1ea1ng pin trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng.<\/em><\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 12pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"><em>Khi la b\u00e0n s\u1ed1 ho\u1eb7c thi\u1ebft b\u1ecb \u0111\u1ecbnh v\u1ecb hi\u1ec3n th\u1ecb h\u01b0\u1edbng kh\u00e1c th\u01b0\u1eddng ho\u1eb7c nh\u1ea3y lo\u1ea1n, n\u00ean di chuy\u1ec3n ra khu v\u1ef1c kh\u00e1c tr\u00e1nh nhi\u1ec5u v\u00e0 hi\u1ec7u ch\u1ec9nh l\u1ea1i.<\/em><\/span><\/li>\n<\/ul>\n<div style=\"text-align: center; margin: 1em 0;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-36790 size-full\" src=\"http:\/\/loadbalancer.dktvnblog.com\/blog\/wp-content\/uploads\/2025\/08\/unnamed-file-2104.png\" alt=\"Thi\u1ebft b\u1ecb GPS c\u1ea7m tay\" width=\"900\" height=\"502\" \/><\/div>\n<p style=\"margin: 0; color: #000000; orphans: 2; widows: 2; text-align: center; padding: 12pt 0 10pt 0;\"><span style=\"text-decoration-skip-ink: none;\"><em>Thi\u1ebft b\u1ecb GPS c\u1ea7m tay (Ngu\u1ed3n: Internet)<\/em><\/span><\/p>\n<h2 style=\"color: #2f33bf; font-weight: bold; display: inline-block;\">4. L\u01b0u \u00fd khi t\u1eadp c\u00e1ch x\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng h\u01b0\u1edbng<\/h2>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">Khi v\u1eadn d\u1ee5ng c\u00e1ch t\u00ecm ph\u01b0\u01a1ng h\u01b0\u1edbng ngo\u00e0i t\u1ef1 nhi\u00ean, \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 c\u00f3 m\u1ed9t ch\u1eb7ng \u0111\u01b0\u1eddng su\u00f4n s\u1ebb, b\u1ea1n h\u00e3y l\u01b0u \u00fd m\u1ed9t s\u1ed1 \u0111i\u1ec1u sau:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-weight: bold; text-decoration: none; vertical-align: baseline;\">\u0110\u1ed1i chi\u1ebfu \u00edt nh\u1ea5t 2 ph\u01b0\u01a1ng ph\u00e1p: <\/span><\/p>\n<p style=\"text-align: justify;\">M\u1ed7i c\u00e1ch x\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng h\u01b0\u1edbng \u0111\u1ec1u c\u00f3 sai s\u1ed1 ri\u00eang. H\u00e3y \u00e1p d\u1ee5ng t\u1ed1i thi\u1ec3u hai c\u00e1ch \u0111\u1ec3 so ch\u00e9o, ph\u00e1t hi\u1ec7n ch\u00eanh l\u1ec7ch v\u00e0 \u0111i\u1ec1u ch\u1ec9nh k\u1ecbp th\u1eddi.<\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-weight: bold; text-decoration: none; vertical-align: baseline;\">Ch\u00fa \u00fd m\u1ed9t s\u1ed1 l\u1ed7i, sai s\u1ed1 v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c:<\/span><\/p>\n<ul class=\"lst-kix_j31gcelikcq7-0 start\" style=\"padding: 0; margin: 0;\">\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"font-weight: bold;\">Nhi\u1ec5u t\u1eeb: <\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">Gi\u1eef la b\u00e0n c\u00e1ch xa c\u00e1c ngu\u1ed3n nhi\u1ec5u nh\u01b0 \u1ed1p l\u01b0ng \u0111i\u1ec7n tho\u1ea1i, d\u00e2y k\u00e9o bal\u00f4, dao, nam ch\u00e2m, \u0111\u1ed3 kim lo\u1ea1i v.v. \u00edt nh\u1ea5t v\u00e0i ch\u1ee5c centimet.<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"font-weight: bold;\">Hi\u1ec7u chu\u1ea9n c\u1ea3m bi\u1ebfn \u0111i\u1ec7n tho\u1ea1i:<\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"> C\u1ea3m bi\u1ebfn t\u1eeb trong smartphone c\u1ea7n hi\u1ec7u chu\u1ea9n \u0111\u1ecbnh k\u1ef3 ho\u1eb7c sau khi di chuy\u1ec3n xa, thay pin hay b\u1ecb va \u0111\u1eadp. Th\u1ef1c hi\u1ec7n theo h\u01b0\u1edbng d\u1eabn trong \u1ee9ng d\u1ee5ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o la b\u00e0n s\u1ed1 ch\u1ec9 \u0111\u00fang h\u01b0\u1edbng.<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"font-weight: bold;\">Qu\u00ean t\u00ednh \u0111\u1ed9 l\u1ec7ch t\u1eeb<\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">: \u1ede m\u1ed7i v\u00f9ng, B\u1eafc t\u1eeb v\u00e0 B\u1eafc th\u1eadt l\u1ec7ch nhau t\u1eeb v\u00e0i \u0111\u1ed9 \u0111\u1ebfn h\u01a1n 20\u00b0. B\u1ea1n c\u1ea7n tra c\u1ee9u \u0111\u1ed9 l\u1ec7ch t\u1eeb t\u1ea1i khu v\u1ef1c, c\u1ed9ng ho\u1eb7c tr\u1eeb ch\u00ednh x\u00e1c v\u00e0o g\u00f3c ph\u01b0\u01a1ng v\u1ecb \u0111\u1ec3 h\u1ea1n ch\u1ebf sai l\u1ec7ch.<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"font-weight: bold;\">Xoay b\u1ea3n \u0111\u1ed3 ch\u01b0a kh\u1edbp th\u1ef1c \u0111\u1ecba<\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">: Lu\u00f4n xoay b\u1ea3n \u0111\u1ed3 kh\u1edbp v\u1edbi B\u1eafc th\u1eadt ngo\u00e0i th\u1ef1c t\u1ebf, n\u1ebfu kh\u00f4ng m\u1ecdi h\u01b0\u1edbng c\u00f2n l\u1ea1i \u0111\u1ec1u sai.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: bold;\">Trang b\u1ecb c\u1ea7n thi\u1ebft: <\/span><\/p>\n<ul class=\"lst-kix_3t6gkry7mutb-0 start\" style=\"padding: 0; margin: 0;\">\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\">La b\u00e0n ch\u1ea5t l\u01b0\u1ee3ng: \u01afu ti\u00ean lo\u1ea1i c\u00f3 v\u1ea1ch chia r\u00f5, kim \u1ed5n \u0111\u1ecbnh v\u00e0 c\u00f3 c\u01a1 ch\u1ebf ch\u1ec9nh \u0111\u1ed9 l\u1ec7ch t\u1eeb (declination) \u0111\u1ec3 b\u1ea1n \u0111\u1ecdc h\u01b0\u1edbng ch\u00ednh x\u00e1c. Tham kh\u1ea3o <span style=\"text-decoration-skip-ink: none; -webkit-text-decoration-skip: none; ; color: #1155cc; text-decoration: underline;\"><em><a style=\"color: inherit; text-decoration: inherit;\" href=\"https:\/\/www.decathlon.vn\/p\/la-b%C3%A0n-c%C3%B3-%C4%91%E1%BA%BF-explorer-500-d%C3%A0nh-cho-ch%E1%BA%A1y-%C4%91%E1%BB%8Bnh-h%C6%B0%E1%BB%9Bng-ho%E1%BA%B7c-leo-n%C3%BAi-geonaute-8518776.html?indexName%3Dprod_pim_v1_index%26queryID%3D741f3a0b6e5bb1e35f389875a6b7a298\" target=\"_blank\" rel=\"noopener\">La b\u00e0n c\u00f3 \u0111\u1ebf Decathlon Geonatue Explorer 500<\/a><\/em><\/span>.<\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">B\u1ea3n \u0111\u1ed3 gi\u1ea5y v\u00e0 b\u00fat ch\u00ec: Ghi ch\u00fa \u0111\u01b0\u1eddng \u0111i.<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">\u0110i\u1ec7n tho\u1ea1i c\u00f3 b\u1ea3n \u0111\u1ed3 ngo\u1ea1i tuy\u1ebfn: Ph\u00f2ng tr\u01b0\u1eddng h\u1ee3p m\u1ea5t s\u00f3ng.<\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\">S\u1ea1c d\u1ef1 ph\u00f2ng, \u0111\u00e8n \u0111\u1ed9i \u0111\u1ea7u, t\u00fai ch\u1ed1ng n\u01b0\u1edbc: Duy tr\u00ec thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 an to\u00e0n trong \u0111i\u1ec1u ki\u1ec7n \u1ea9m \u01b0\u1edbt, thi\u1ebfu s\u00e1ng. Tham kh\u1ea3o <span style=\"text-decoration-skip-ink: none; -webkit-text-decoration-skip: none; ; color: #1155cc; text-decoration: underline;\"><em><a style=\"color: inherit; text-decoration: inherit;\" href=\"https:\/\/www.decathlon.vn\/p\/%C4%91%C3%A8n-pin-%C4%91%E1%BB%99i-%C4%91%E1%BA%A7u-d%C3%A3-ngo%E1%BA%A1i-80-lumen-onnight-100-%C4%91en-forclaz-8384991.html?indexName%3Dprod_pim_v1_index%26queryID%3D2655359aa26e31aefaaf0fae5b23802c\" target=\"_blank\" rel=\"noopener\">\u0110\u00e8n pin \u0111\u1ed9i \u0111\u1ea7u d\u00e3 ngo\u1ea1i Decathlon Forclaz 80 lumen ONNIGHT 100<\/a><\/em><\/span><\/li>\n<li style=\"color: #000000; line-height: 1.5; margin-right: 0; margin-left: 32pt; orphans: 2; margin-bottom: 0; widows: 2; text-align: justify; padding: 0pt 0 10pt 0pt;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">N\u01b0\u1edbc u\u1ed1ng v\u00e0 th\u00f4ng tin li\u00ean h\u1ec7 kh\u1ea9n c\u1ea5p: S\u1eb5n s\u00e0ng cho m\u1ecdi t\u00ecnh hu\u1ed1ng tr\u00ean h\u00e0nh tr\u00ecnh.<\/span><\/li>\n<\/ul>\n<h2 style=\"color: #2f33bf; font-weight: bold; display: inline-block;\">5. C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-weight: bold; text-decoration: none; vertical-align: baseline;\">1. Kh\u00f4ng c\u00f3 la b\u00e0n th\u00ec c\u00f3 x\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng h\u01b0\u1edbng \u0111\u01b0\u1ee3c kh\u00f4ng?<\/span><\/p>\n<p style=\"margin: 0; color: #000000; orphans: 2; widows: 2; text-align: justify; padding: 12pt 0 12pt 0;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">N\u1ebfu kh\u00f4ng c\u00f3 la b\u00e0n, b\u1ea1n v\u1eabn c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng h\u01b0\u1edbng b\u1eb1ng nhi\u1ec1u c\u00e1ch nh\u01b0: d\u1ef1a v\u00e0o v\u1ecb tr\u00ed m\u1eb7t tr\u1eddi v\u00e0 b\u00f3ng \u0111\u1ed5, quan s\u00e1t c\u00e1c ch\u00f2m sao, nh\u00ecn \u0111\u1ecba h\u00ecnh qua c\u00e2y c\u1ed1i ho\u1eb7c \u0111\u1ea5t \u0111\u00e1, ho\u1eb7c d\u00f9ng \u0111\u1ed3ng h\u1ed3 kim. Tuy nhi\u00ean, c\u00e1c c\u00e1ch n\u00e0y ch\u1ec9 cho k\u1ebft qu\u1ea3 t\u01b0\u01a1ng \u0111\u1ed1i v\u00e0 c\u00f3 th\u1ec3 sai l\u1ec7ch n\u1ebfu \u0111i \u0111\u01b0\u1eddng d\u00e0i. V\u00ec v\u1eady, t\u1ed1t nh\u1ea5t b\u1ea1n n\u00ean k\u1ebft h\u1ee3p 2 &#8211; 3 ph\u01b0\u01a1ng ph\u00e1p c\u00f9ng l\u00fac v\u00e0 chia h\u00e0nh tr\u00ecnh th\u00e0nh c\u00e1c ch\u1eb7ng ng\u1eafn, \u0111\u00e1nh d\u1ea5u l\u1ea1i \u0111\u01b0\u1eddng \u0111i \u0111\u1ec3 d\u1ec5 ki\u1ec3m so\u00e1t v\u00e0 \u0111i\u1ec1u ch\u1ec9nh ph\u01b0\u01a1ng h\u01b0\u1edbng khi c\u1ea7n.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-weight: bold; text-decoration: none; vertical-align: baseline;\">2. Ph\u01b0\u01a1ng ph\u00e1p x\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng h\u01b0\u1edbng n\u00e0o ch\u00ednh x\u00e1c nh\u1ea5t?<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\">Ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1ng tin c\u1eady nh\u1ea5t l\u00e0 d\u00f9ng la b\u00e0n c\u01a1 h\u1ecdc k\u1ebft h\u1ee3p b\u1ea3n \u0111\u1ed3 \u0111\u1ecba h\u00ecnh. Sau \u0111\u00f3 b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 \u0111\u1ed1i chi\u1ebfu th\u00eam v\u1edbi thi\u1ebft b\u1ecb GPS ngo\u1ea1i tuy\u1ebfn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/span><\/p>\n<p style=\"text-align: justify;\"><em>C\u00e1c <\/em><span style=\"font-weight: bold;\"><em>c\u00e1ch x\u00e1c \u0111\u1ecbnh ph\u01b0\u01a1ng h\u01b0\u1edbng<\/em><\/span><em> \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp \u1edf tr\u00ean \u0111\u1ec1u l\u00e0 k\u1ef9 n\u0103ng h\u1eefu \u00edch cho m\u1ecdi h\u00e0nh tr\u00ecnh. B\u1ea5t k\u1ec3 b\u1ea1n d\u1ef1a theo t\u00edn hi\u1ec7u t\u1ef1 nhi\u00ean, hay s\u1eed d\u1ee5ng b\u1ea3n \u0111\u1ed3 v\u00e0 thi\u1ebft b\u1ecb c\u00f4ng ngh\u1ec7 h\u1ed7 tr\u1ee3, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 b\u1ea1n c\u1ea7n \u0111\u1ed1i chi\u1ebfu nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p v\u00e0 lu\u00f4n chu\u1ea9n b\u1ecb ph\u01b0\u01a1ng \u00e1n d\u1ef1 ph\u00f2ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n trong su\u1ed1t chuy\u1ebfn \u0111i.<\/em><\/p>\n<table style=\"border-spacing: 0; border-collapse: collapse; margin-right: auto; width: 100%;\">\n<tbody>\n<tr style=\"height: 0pt;\">\n<td style=\"padding: 5pt 5pt 5pt 5pt; vertical-align: top; background-color: #e0e0ff; width: 451.4pt; border-width: 0pt 0pt 0pt 3pt; border-color: #000000 #000000 #000000 #0000ff; border-style: solid;\" colspan=\"1\" rowspan=\"1\">\n<p style=\"text-align: justify;\"><em>B\u1ea1n \u0111\u00e3 s\u1eb5n s\u00e0ng v\u00e0 t\u1ef1 tin \u0111\u1ecbnh h\u01b0\u1edbng \u1edf m\u1ecdi \u0111\u1ecba h\u00ecnh? Kh\u00e1m ph\u00e1 b\u1ed9 s\u01b0u t\u1eadp la b\u00e0n, \u0111\u00e8n \u0111\u1ed9i \u0111\u1ea7u, t\u00fai ch\u1ed1ng n\u01b0\u1edbc, s\u1ea1c d\u1ef1 ph\u00f2ng v\u00e0 h\u00e0ng lo\u1ea1t ph\u1ee5 ki\u1ec7n d\u00e3 ngo\u1ea1i t\u1ea1i <\/em><span style=\"text-decoration-skip-ink: none; -webkit-text-decoration-skip: none; ; color: #1155cc; text-decoration: underline;\"><em><a style=\"color: inherit; text-decoration: inherit;\" href=\"https:\/\/www.decathlon.vn\" target=\"_blank\" rel=\"noopener\">Decathlon<\/a><\/em><\/span><em>. Nh\u1eefng thi\u1ebft k\u1ebf t\u1eeb \u0111\u1ed9i ng\u0169 \u0111am m\u00ea th\u1ec3 thao gi\u00fap b\u1ea1n thao t\u00e1c nhanh, ch\u00ednh x\u00e1c v\u00e0 b\u1ec1n b\u1ec9 qua nhi\u1ec1u m\u00f9a trekking. Gi\u00e1 t\u1ed1t m\u1ed7i ng\u00e0y, ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ea3m b\u1ea3o, b\u1ea3o h\u00e0nh \u0111\u1ed5i tr\u1ea3 linh ho\u1ea1t v\u00e0 <\/em><span style=\"font-weight: bold;\"><em>mi\u1ec5n ph\u00ed v\u1eadn chuy\u1ec3n to\u00e0n qu\u1ed1c <\/em><\/span><span style=\"color: #000000; font-weight: 400; text-decoration: none; vertical-align: baseline;\"><em>cho \u0111\u01a1n h\u00e0ng t\u1eeb 499.000 VND!<\/em><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>D\u00f9 \u0111ang \u0111i d\u00e3 ngo\u1ea1i, \u0111i trekking trong r\u1eebng hay \u0111i ph\u01b0\u1ee3t \u0111\u01b0\u1eddng d\u00e0i, k\u1ef9 n\u0103ng \u0111\u1ecbnh h\u01b0\u1edbng s\u1ebd lu\u00f4n gi\u00fap b\u1ea1n di chuy\u1ec3n thu\u1eadn&hellip;<\/p>\n","protected":false},"author":5,"featured_media":43324,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","footnotes":""},"categories":[4],"tags":[],"class_list":["post-36792","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kinh-nghiem-du-lich"],"uagb_featured_image_src":{"full":["\/blog\/wp-content\/uploads\/2025\/08\/xac-dinh-phuong-huong-1.jpg",1600,900,false],"thumbnail":["\/blog\/wp-content\/uploads\/2025\/08\/xac-dinh-phuong-huong-1-150x150.jpg",150,150,true],"medium":["\/blog\/wp-content\/uploads\/2025\/08\/xac-dinh-phuong-huong-1-300x169.jpg",300,169,true],"medium_large":["\/blog\/wp-content\/uploads\/2025\/08\/xac-dinh-phuong-huong-1-768x432.jpg",768,432,true],"large":["\/blog\/wp-content\/uploads\/2025\/08\/xac-dinh-phuong-huong-1.jpg",1600,900,false],"1536x1536":["\/blog\/wp-content\/uploads\/2025\/08\/xac-dinh-phuong-huong-1-1536x864.jpg",1536,864,true],"2048x2048":["\/blog\/wp-content\/uploads\/2025\/08\/xac-dinh-phuong-huong-1.jpg",1600,900,false],"yarpp-thumbnail":["\/blog\/wp-content\/uploads\/2025\/08\/xac-dinh-phuong-huong-1-120x120.jpg",120,120,true]},"uagb_author_info":{"display_name":"Decathlon Vi\u1ec7t Nam","author_link":"\/blog\/author\/decathlon-team\/"},"uagb_comment_info":0,"uagb_excerpt":"D\u00f9 \u0111ang \u0111i d\u00e3 ngo\u1ea1i, \u0111i trekking trong r\u1eebng hay \u0111i ph\u01b0\u1ee3t \u0111\u01b0\u1eddng d\u00e0i, k\u1ef9 n\u0103ng \u0111\u1ecbnh h\u01b0\u1edbng s\u1ebd lu\u00f4n gi\u00fap b\u1ea1n di chuy\u1ec3n thu\u1eadn&hellip;","_links":{"self":[{"href":"\/blog\/wp-json\/wp\/v2\/posts\/36792","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/blog\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"\/blog\/wp-json\/wp\/v2\/comments?post=36792"}],"version-history":[{"count":7,"href":"\/blog\/wp-json\/wp\/v2\/posts\/36792\/revisions"}],"predecessor-version":[{"id":36987,"href":"\/blog\/wp-json\/wp\/v2\/posts\/36792\/revisions\/36987"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/blog\/wp-json\/wp\/v2\/media\/43324"}],"wp:attachment":[{"href":"\/blog\/wp-json\/wp\/v2\/media?parent=36792"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/blog\/wp-json\/wp\/v2\/categories?post=36792"},{"taxonomy":"post_tag","embeddable":true,"href":"\/blog\/wp-json\/wp\/v2\/tags?post=36792"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}