{"id":2660,"date":"2025-11-04T19:26:23","date_gmt":"2025-11-04T10:26:23","guid":{"rendered":"https:\/\/y42u.net\/tec001\/?p=2660"},"modified":"2026-06-20T11:11:33","modified_gmt":"2026-06-20T02:11:33","slug":"jgd2011%e3%81%a8jgd2024%e3%81%ae%e9%81%95%e3%81%84-geodiveexa%e3%81%ae%e3%82%b8jgd2024%e5%af%be%e5%bf%9c","status":"publish","type":"post","link":"https:\/\/y42u.net\/tec001\/2025\/11\/04\/jgd2011%e3%81%a8jgd2024%e3%81%ae%e9%81%95%e3%81%84-geodiveexa%e3%81%ae%e3%82%b8jgd2024%e5%af%be%e5%bf%9c\/","title":{"rendered":"JGD2011\u3068JGD2024\u306e\u9055\u3044 &#8211; GeoDiveExa\u306eJGD2024\u5bfe\u5fdc(1)"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u76ee\u6b21<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><a href=\"#\u6982\u8981\">\u6982\u8981<\/a><\/li>\n\n\n\n<li><a href=\"#jgd2011\u3068jgd2024\u306e\u9055\u3044\">JGD2011\u3068JGD2024\u306e\u9055\u3044<\/a><\/li>\n\n\n\n<li><a href=\"#\u6bd4\u8f03\u8868\">\u6bd4\u8f03\u8868<\/a><\/li>\n\n\n\n<li><a href=\"#geodiveexa\u306ejgd2024\u5bfe\u5fdc\">GeoDiveExa\u306eJGD2024\u5bfe\u5fdc<\/a><\/li>\n\n\n\n<li><a href=\"#\u6280\u8853\u7684\u306a\u5b9f\u88c5\">\u6280\u8853\u7684\u306a\u5b9f\u88c5<\/a><\/li>\n\n\n\n<li><a href=\"#\u307e\u3068\u3081\">\u307e\u3068\u3081<\/a><\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u6982\u8981<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u65e5\u672c\u306e\u6e2c\u5730\u7cfb\u306f\u3001\u5730\u9707\u306b\u3088\u308b\u5730\u6bbb\u5909\u52d5\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u3001\u5b9a\u671f\u7684\u306b\u66f4\u65b0\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u30012011\u5e74\u306b\u5c0e\u5165\u3055\u308c\u305fJGD2011\uff08\u65e5\u672c\u6e2c\u5730\u7cfb2011\uff09\u3068\u30012024\u5e74\u306b\u5c0e\u5165\u3055\u308c\u305fJGD2024\uff08\u65e5\u672c\u6e2c\u5730\u7cfb2024\uff09\u306e\u9055\u3044\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305f\u3001GeoDiveExa\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u30b8\u30aa\u30a4\u30c92024\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u304a\u308a\u3001RTK-GNSS\u6e2c\u5b9a\u30c7\u30fc\u30bf\u304cJGD2024\u3068\u540c\u7b49\u306e\u7cbe\u5ea6\u3092\u5b9f\u73fe\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4ee5\u5f8c\u306e\u8aac\u660e\u306e\u70ba\u306bA1,A2\u3092\u5b9a\u7fa9\u3057\u307e\u3059<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A1:JGD2000\u304b\u3089JGD2011\u307e\u3067\u306e\u5730\u9707\u5730\u6bbb\u5909\u52d5<\/li>\n\n\n\n<li>A2:JGD2011\u304b\u3089JGD2024\u307e\u3067\u306e\u5730\u9707\u5730\u6bbb\u5909\u52d5<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">JGD2011\u3068JGD2024\u306e\u9055\u3044<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u57fa\u6e96\u3068\u306a\u308b\u6e2c\u5730\u7cfb<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">JGD2011\uff08\u65e5\u672c\u6e2c\u5730\u7cfb2011\uff09<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5c0e\u5165\u5e74<\/strong>: 2011\u5e7410\u670821\u65e5<\/li>\n\n\n\n<li><strong>\u6e96\u62e0\u6955\u5186\u4f53<\/strong>: GRS80\u6955\u5186\u4f53<\/li>\n\n\n\n<li><strong>\u57fa\u6e96\u30a8\u30dd\u30c3\u30af<\/strong>: 2011.0\uff082011\u5e741\u67081\u65e5\uff09<\/li>\n\n\n\n<li><strong>\u30b8\u30aa\u30a4\u30c9\u30e2\u30c7\u30eb<\/strong>: \u65e5\u672c\u306e\u30b8\u30aa\u30a4\u30c92011\uff08GSIGEO2011\uff09<\/li>\n\n\n\n<li><strong>\u5bfe\u5fdc\u5730\u9707<\/strong>: 2011\u5e743\u670811\u65e5\u306e\u6771\u5317\u5730\u65b9\u592a\u5e73\u6d0b\u6c96\u5730\u9707\u307e\u3067\u306e\u5730\u6bbb\u5909\u52d5\u3092\u53cd\u6620(A1)<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">JGD2024\uff08\u65e5\u672c\u6e2c\u5730\u7cfb2024\uff09<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5c0e\u5165\u5e74<\/strong>: 2024\u5e745\u670823\u65e5<\/li>\n\n\n\n<li><strong>\u6e96\u62e0\u6955\u5186\u4f53<\/strong>: GRS80\u6955\u5186\u4f53\uff08JGD2011\u3068\u540c\u3058\uff09<\/li>\n\n\n\n<li><strong>\u57fa\u6e96\u30a8\u30dd\u30c3\u30af<\/strong>: 2024.0\uff082024\u5e741\u67081\u65e5\uff09<\/li>\n\n\n\n<li><strong>\u30b8\u30aa\u30a4\u30c9\u30e2\u30c7\u30eb<\/strong>: \u65e5\u672c\u306e\u30b8\u30aa\u30a4\u30c92024\uff08GSIGEO2024\uff09<\/li>\n\n\n\n<li><strong>\u5bfe\u5fdc\u5730\u9707<\/strong>: 2024\u5e74\u307e\u3067\u306e\u4e3b\u8981\u306a\u5730\u9707\u306b\u3088\u308b\u5730\u6bbb\u5909\u52d5\u3092\u53cd\u6620\uff08A2)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u4e3b\u306a\u66f4\u65b0\u5185\u5bb9<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u7591\u554f\uff1a\u5730\u9707\u306e\u5730\u6bbb\u5909\u52d5\u306f\u53cd\u6620\u3055\u308c\u3066\u3044\u306a\u3044<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">JGD2024\u306f\u3001JGD2011\u5c0e\u5165\u5f8c\u306b\u767a\u751f\u3057\u305f\u4ee5\u4e0b\u306e\u5730\u9707\u306b\u3088\u308b\u5730\u6bbb\u5909\u52d5\uff08A2)\u3068\u65e5\u3005\u306e\u30d7\u30ec\u30fc\u30c8\u79fb\u52d5\u306b\u3088\u308b\u5f71\u97ff\u306f\u53cd\u6620\u3055\u308c\u3066\u3044\u306a\u3044\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>2016\u5e74\u718a\u672c\u5730\u9707<\/strong>\uff08M7.3\uff09<\/li>\n\n\n\n<li><strong>2018\u5e74\u5317\u6d77\u9053\u80c6\u632f\u6771\u90e8\u5730\u9707<\/strong>\uff08M6.7\uff09<\/li>\n\n\n\n<li><strong>2021\u5e74\u798f\u5cf6\u770c\u6c96\u5730\u9707<\/strong>\uff08M7.4\uff09<\/li>\n\n\n\n<li><strong>2022\u5e74\u798f\u5cf6\u770c\u6c96\u5730\u9707<\/strong>\uff08M7.4\uff09<\/li>\n\n\n\n<li><strong>\u305d\u306e\u4ed6\u306e\u4e2d\u898f\u6a21\u5730\u9707\u306b\u3088\u308b\u7d2f\u7a4d\u5909\u52d5<\/strong><\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">\u30b8\u30aa\u30a4\u30c9\u30e2\u30c7\u30eb\u306e\u9ad8\u7cbe\u5ea6\u5316<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>GSIGEO2024<\/strong>: \u6700\u65b0\u306e\u91cd\u529b\u30c7\u30fc\u30bf\u3068\u885b\u661f\u6e2c\u4f4d\u30c7\u30fc\u30bf\u3092\u4f7f\u7528<\/li>\n\n\n\n<li><strong>\u7cbe\u5ea6\u5411\u4e0a<\/strong>: \u7279\u306b\u5c71\u9593\u90e8\u3084\u6cbf\u5cb8\u90e8\u3067\u306e\u30b8\u30aa\u30a4\u30c9\u9ad8\u7cbe\u5ea6\u304c\u5411\u4e0a<\/li>\n\n\n\n<li><strong>\u30e1\u30c3\u30b7\u30e5\u89e3\u50cf\u5ea6<\/strong>: \u3088\u308a\u7d30\u304b\u3044\u30e1\u30c3\u30b7\u30e5\u3067\u5730\u5f62\u306b\u5bfe\u5fdc<br>\u53c2\u8003\uff1a<a href=\"https:\/\/y42u.net\/tec001\/2025\/11\/18\/%e3%82%b8%e3%82%aa%e3%82%a4%e3%83%892011-2024%e3%81%a8%e5%b7%ae%e5%88%86%e3%82%92%e5%8f%af%e8%a6%96%e5%8c%96%e3%81%97%e3%81%a6%e3%81%bf%e3%81%9f\/\">\u30b8\u30aa\u30a4\u30c92011\/2024\u3068\u5dee\u5206\u3092\u53ef\u8996\u5316\u3057\u3066\u307f\u305f<\/a><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" decoding=\"async\" width=\"1024\" height=\"356\" src=\"https:\/\/i0.wp.com\/y42u.net\/tec001\/wp-content\/uploads\/2025\/11\/geoid_comparison_3panel-2.jpg?resize=1024%2C356&#038;ssl=1\" alt=\"\" class=\"wp-image-2873\" srcset=\"https:\/\/i0.wp.com\/y42u.net\/tec001\/wp-content\/uploads\/2025\/11\/geoid_comparison_3panel-2.jpg?resize=1024%2C356&amp;ssl=1 1024w, https:\/\/i0.wp.com\/y42u.net\/tec001\/wp-content\/uploads\/2025\/11\/geoid_comparison_3panel-2.jpg?resize=300%2C104&amp;ssl=1 300w, https:\/\/i0.wp.com\/y42u.net\/tec001\/wp-content\/uploads\/2025\/11\/geoid_comparison_3panel-2.jpg?resize=40%2C14&amp;ssl=1 40w, https:\/\/i0.wp.com\/y42u.net\/tec001\/wp-content\/uploads\/2025\/11\/geoid_comparison_3panel-2.jpg?resize=768%2C267&amp;ssl=1 768w, https:\/\/i0.wp.com\/y42u.net\/tec001\/wp-content\/uploads\/2025\/11\/geoid_comparison_3panel-2.jpg?resize=1536%2C534&amp;ssl=1 1536w, https:\/\/i0.wp.com\/y42u.net\/tec001\/wp-content\/uploads\/2025\/11\/geoid_comparison_3panel-2.jpg?w=1920&amp;ssl=1 1920w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u5ea7\u6a19\u5909\u63db\u306e\u5fc5\u8981\u6027<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">JGD2011\u304b\u3089\u73fe\u5728\u307e\u3067\u306e\u5730\u9707\u306e\u5f71\u97ff\u3067\u4ee5\u4e0b\u306e\u5730\u57df\u3067\u5927\u304d\u306a\u5ea7\u6a19\u5909\u52d5\u304c\u3042\u308a\u307e\u3059\u304c\u3001JGD2024\u3067\u306f\u53cd\u6620\u3055\u308c\u3066\u3044\u306a\u3044\u306e\u3067\u3001JGD2000-&gt;JGD2011\u3068\u540c\u69d8\u306e\u5ea7\u6a19\u5909\u63db\u304c\u5b9f\u52d9\u4e0a\u306f\u5fc5\u8981\u3068\u601d\u308f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6771\u5317\u5730\u65b9<\/strong>: \u6771\u5317\u5730\u65b9\u592a\u5e73\u6d0b\u6c96\u5730\u9707\u5f8c\u306e\u4f59\u52b9\u5909\u52d5\uff08\u6700\u5927\u6570\u5341cm\uff09<\/li>\n\n\n\n<li><strong>\u718a\u672c\u5468\u8fba<\/strong>: 2016\u5e74\u718a\u672c\u5730\u9707\u306e\u5f71\u97ff\uff08\u6700\u5927\u6570\u5341cm\uff09<\/li>\n\n\n\n<li><strong>\u5317\u6d77\u9053\u80c6\u632f\u5730\u65b9<\/strong>: 2018\u5e74\u5730\u9707\u306e\u5f71\u97ff\uff08\u6700\u5927\u6570\u5341cm\uff09<\/li>\n\n\n\n<li><strong>\u798f\u5cf6\u770c\u6c96<\/strong>: 2021-2022\u5e74\u306e\u5730\u9707\u306e\u5f71\u97ff\uff08\u6700\u5927\u6570\u5341cm\uff09<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u6bd4\u8f03\u8868<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u6e2c\u5730\u7cfb\u4ed5\u69d8\u6bd4\u8f03<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u9805\u76ee<\/th><th>JGD2011<\/th><th>JGD2024<\/th><\/tr><\/thead><tbody><tr><td><strong>\u6b63\u5f0f\u540d\u79f0<\/strong><\/td><td>\u65e5\u672c\u6e2c\u5730\u7cfb2011<\/td><td>\u65e5\u672c\u6e2c\u5730\u7cfb2024<\/td><\/tr><tr><td><strong>\u82f1\u8a9e\u540d<\/strong><\/td><td>Japanese Geodetic Datum 2011<\/td><td>Japanese Geodetic Datum 2024<\/td><\/tr><tr><td><strong>\u5c0e\u5165\u65e5<\/strong><\/td><td>2011\u5e7410\u670821\u65e5<\/td><td>2024\u5e745\u670823\u65e5<\/td><\/tr><tr><td><strong>\u6e96\u62e0\u6955\u5186\u4f53<\/strong><\/td><td>GRS80<\/td><td>GRS80<\/td><\/tr><tr><td><strong>\u9577\u534a\u5f84\uff08a\uff09<\/strong><\/td><td>6,378,137 m<\/td><td>6,378,137 m<\/td><\/tr><tr><td><strong>\u6241\u5e73\u7387\uff081\/f\uff09<\/strong><\/td><td>298.257222101<\/td><td>298.257222101<\/td><\/tr><tr><td><strong>\u57fa\u6e96\u30a8\u30dd\u30c3\u30af<\/strong><\/td><td>2011.0<\/td><td>2024.0<\/td><\/tr><tr><td><strong>\u30b8\u30aa\u30a4\u30c9\u30e2\u30c7\u30eb<\/strong><\/td><td>GSIGEO2011<\/td><td>GSIGEO2024<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u5730\u6bbb\u5909\u52d5\u5bfe\u5fdc\u6bd4\u8f03<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u9805\u76ee<\/th><th>JGD2011<\/th><th>JGD2024<\/th><\/tr><\/thead><tbody><tr><td><strong>\u5bfe\u5fdc\u671f\u9593<\/strong><\/td><td>\uff5e2011\u5e743\u6708<\/td><td>\uff5e2024\u5e741\u6708<\/td><\/tr><tr><td><strong>\u4e3b\u8981\u5730\u9707\u6570<\/strong><\/td><td>2003\u5e74\u304b\u3089\u306e12\u5730\u9707<\/td><td><strong>JGD2011\u3068\u540c\u3058<\/strong><\/td><\/tr><tr><td><strong>\u6700\u5927\u5909\u52d5\u91cf<\/strong><\/td><td>\u7d045.3m\uff08\u6771\u5317\u5730\u65b9\uff09<\/td><td><strong>JGD2011\u3068\u540c\u3058<\/strong><\/td><\/tr><tr><td><strong>\u88dc\u6b63\u30e1\u30c3\u30b7\u30e5\u6570<\/strong><\/td><td>\u7d04217,891\u30e1\u30c3\u30b7\u30e5<\/td><td>\u7d04250,000\u30e1\u30c3\u30b7\u30e5\u4ee5\u4e0a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b8\u30aa\u30a4\u30c9\u30e2\u30c7\u30eb\u6bd4\u8f03<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u9805\u76ee<\/th><th>GSIGEO2011<\/th><th>GSIGEO2024<\/th><\/tr><\/thead><tbody><tr><td><strong>\u7cbe\u5ea6\uff08\u6a19\u6e96\u504f\u5dee\uff09<\/strong><\/td><td>\u00b13cm\u7a0b\u5ea6<\/td><td>\u00b12cm\u7a0b\u5ea6<\/td><\/tr><tr><td><strong>\u30e1\u30c3\u30b7\u30e5\u9593\u9694<\/strong><\/td><td>1km\uff083\u6b21\u30e1\u30c3\u30b7\u30e5\uff09<\/td><td>1km\uff083\u6b21\u30e1\u30c3\u30b7\u30e5\uff09<\/td><\/tr><tr><td><strong>\u5c71\u9593\u90e8\u7cbe\u5ea6<\/strong><\/td><td>\u00b15cm\u7a0b\u5ea6<\/td><td>\u00b13cm\u7a0b\u5ea6<\/td><\/tr><tr><td><strong>\u6cbf\u5cb8\u90e8\u7cbe\u5ea6<\/strong><\/td><td>\u00b14cm\u7a0b\u5ea6<\/td><td>\u00b12.5cm\u7a0b\u5ea6<\/td><\/tr><tr><td><strong>\u91cd\u529b\u30c7\u30fc\u30bf\u6570<\/strong><\/td><td>\u7d04200\u4e07\u70b9<\/td><td>\u7d04220\u4e07\u70b9\u4ee5\u4e0a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">GeoDiveExa\u306eJGD2024\u5bfe\u5fdc<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b8\u30aa\u30a4\u30c92024\u306e\u30b5\u30dd\u30fc\u30c8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">GeoDiveExa\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u3001<strong>\u30b8\u30aa\u30a4\u30c92024\uff08GSIGEO2024\uff09\u3092\u30b5\u30dd\u30fc\u30c8<\/strong>\u3057\u3066\u304a\u308a\u3001RTK-GNSS\u6e2c\u5b9a\u30c7\u30fc\u30bf\u306b\u304a\u3044\u3066\u6a19\u9ad8\u306fJGD2024\u3068\u540c\u7b49\u306e\u7cbe\u5ea6\u3092\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002\u7def\u5ea6\u7d4c\u5ea6\u306f\u540c\u3058\u306a\u306e\u3067\u30b8\u30aa\u30a4\u30c92024\u3092\u4f7f\u7528\u3057\u305f\u5834\u5408\u3001JGD2024\u3068\u540c\u7b49\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">RTK-GNSS\u6e2c\u5b9a\u3068JGD2024<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">RTK-GNSS\u306e\u7279\u5fb4<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u6e2c\u4f4d<\/strong>: \u57fa\u6e96\u5c40\u304b\u3089\u306e\u88dc\u6b63\u60c5\u5831\u3092\u4f7f\u7528<\/li>\n\n\n\n<li><strong>\u9ad8\u7cbe\u5ea6<\/strong>: \u6c34\u5e73\u65b9\u5411\u00b1\uff12cm\u3001\u5782\u76f4\u65b9\u5411\u00b1\uff11\uff10cm\u7a0b\u5ea6<\/li>\n\n\n\n<li><strong>\u6955\u5186\u4f53\u9ad8<\/strong>: WGS84\u6955\u5186\u4f53\u306b\u57fa\u3065\u304f\u9ad8\u3055\u3092\u6e2c\u5b9a<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u30b8\u30aa\u30a4\u30c92024\u306b\u3088\u308b\u6a19\u9ad8\u5909\u63db<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">GeoDiveExa\u3067\u306f\u3001RTK-GNSS\u3067\u53d6\u5f97\u3057\u305f\u6955\u5186\u4f53\u9ad8\u3092\u3001\u30b8\u30aa\u30a4\u30c92024\u3092\u4f7f\u7528\u3057\u3066\u6a19\u9ad8\uff08\u6771\u4eac\u6e7e\u5e73\u5747\u6d77\u9762\u304b\u3089\u306e\u9ad8\u3055\uff09\u306b\u5909\u63db\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u6a19\u9ad8 = \u6955\u5186\u4f53\u9ad8 - \u30b8\u30aa\u30a4\u30c9\u9ad8\uff08GSIGEO2024\uff09<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u5909\u63db\u306b\u3088\u308a\u3001\u4ee5\u4e0b\u304c\u5b9f\u73fe\u3055\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>JGD2024\u6e96\u62e0\u306e\u6a19\u9ad8<\/strong>: \u56fd\u571f\u5730\u7406\u9662\u306e\u6700\u65b0\u57fa\u6e96\u306b\u6e96\u62e0<\/li>\n\n\n\n<li><strong>\u9ad8\u7cbe\u5ea6\u306a\u6a19\u9ad8<\/strong>: \u00b110cm\u7a0b\u5ea6\u306e\u7cbe\u5ea6<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b9f\u7528\u4e0a\u306e\u30e1\u30ea\u30c3\u30c8<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\uff11. \u9ad8\u7cbe\u5ea6\u306a\u6a19\u9ad8\u53d6\u5f97<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5f93\u6765\u306e\u7c21\u6613\u30b8\u30aa\u30a4\u30c9: \u00b110-20cm\u7a0b\u5ea6\u306e\u8aa4\u5dee\n\u2193\n\u30b8\u30aa\u30a4\u30c92024\u4f7f\u7528: \u00b12-3cm\u7a0b\u5ea6\u306e\u8aa4\u5dee<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c71\u9593\u90e8\u3084\u6cbf\u5cb8\u90e8\u3067\u3082\u9ad8\u7cbe\u5ea6\u306a\u6a19\u9ad8\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\uff12. \u6a19\u9ad8\u6bd4\u8f03\u53d6\u5f97<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b8\u30aa\u30a4\u30c9\u30e2\u30c7\u30eb\u3068\u3068\u3057\u30662011\u3068\uff12\uff10\uff12\uff14\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u5207\u308a\u66ff\u3048\u3066\u4f7f\u3048\u307e\u3059\u3002\u307e\u305f\u6e2c\u5b9a\u7d50\u679c\u306b\u306f\u30b8\u30aa\u30a4\u30c92011,2024\u306e\uff12\u3064\u3092\u4ed8\u52a0\u3057\u3066\u3044\u308b\u306e\u3067\u6bd4\u8f03\u3082\u51fa\u6765\u307e\u3059\u3002<br>\u53c2\u7167\uff1a<a href=\"https:\/\/y42u.net\/tec001\/2025\/06\/04\/%e3%82%b8%e3%82%aa%e3%82%a4%e3%83%892024-%e6%97%a5%e6%9c%ac%e3%81%a8%e3%81%9d%e3%81%ae%e5%91%a8%e8%be%ba%e3%81%ae%e5%a4%89%e6%9b%b4%e7%82%b9%ef%bc%93\/\">\u30b8\u30aa\u30a4\u30c92024 \u65e5\u672c\u3068\u305d\u306e\u5468\u8fba\u306e\u5909\u66f4\u70b9(\uff13)<\/a>\u3000<a href=\"https:\/\/y42u.net\/tec001\/2025\/11\/18\/%e3%82%b8%e3%82%aa%e3%82%a4%e3%83%892011-2024%e3%81%a8%e5%b7%ae%e5%88%86%e3%82%92%e5%8f%af%e8%a6%96%e5%8c%96%e3%81%97%e3%81%a6%e3%81%bf%e3%81%9f\/\">\u30b8\u30aa\u30a4\u30c92011\/2024\u3068\u5dee\u5206\u3092\u53ef\u8996\u5316\u3057\u3066\u307f\u305f<\/a><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3. \u5c06\u6765\u306e\u6e2c\u5730\u7cfb\u66f4\u65b0\u30682011\u5e74\u4ee5\u964d\u306e\u5730\u6bbb\u5909\u52d5\u3078\u306e\u5bfe\u5fdc<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b8\u30aa\u30a4\u30c9\u30e2\u30c7\u30eb\u3092\u66f4\u65b0\u3059\u308b\u3053\u3068\u3067\u3001\u5c06\u6765\u306e\u6e2c\u5730\u7cfb\u5909\u66f4\u306b\u3082\u67d4\u8edf\u306b\u5bfe\u5fdc\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3060\u3057\u30012011\u5e74\u4ee5\u964d\u306e\u5730\u9707\u306b\u3088\u308b\u5730\u6bbb\u5909\u52d5\u3084\u30d7\u30ec\u30fc\u30c8\u79fb\u52d5\u306b\u3088\u308b\u5909\u52d5\u306b\u306f\u5bfe\u5fdc\u3067\u304d\u3066\u3044\u306a\u3044\u306e\u3067\u3001\u5b9f\u52d9\u7684\u306b\u4f7f\u7528\u3059\u308b\u306b\u306f\u30b3\u30ec\u3089\u306e\u5909\u52d5\u88dc\u6b63\u3082\u7d44\u307f\u8fbc\u3080\u5fc5\u8981\u304c\u3042\u308b\u3068\u601d\u308f\u308c\u307e\u3059\u3002<br>\u53c2\u8003\uff1a<a href=\"https:\/\/y42u.net\/tec001\/2025\/11\/06\/%e6%97%a5%e6%9c%ac%e3%81%ae%e6%b8%ac%e5%9c%b0%e7%b3%bb%e3%81%ae%e5%a4%89%e9%81%b7%e3%81%a8%e5%ae%9f%e5%8b%99%e5%af%be%e5%bf%9c%ef%bc%9atokyo%e3%81%8b%e3%82%89jgd2024b%e3%81%be%e3%81%a7\/\">&#x1f5fe; \u65e5\u672c\u306e\u6e2c\u5730\u7cfb\u306e\u5909\u9077\u3068\u5b9f\u52d9\u5bfe\u5fdc\uff1aTOKYO\u304b\u3089<strong>jgd2024b<\/strong>\u307e\u3067<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u6280\u8853\u7684\u306a\u5b9f\u88c5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">GeoDiveExa\u306e\u5ea7\u6a19\u5909\u63db\u30d5\u30ed\u30fc<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>RTK-GNSS\u6e2c\u5b9a\n    \u2193\nWGS84\u5ea7\u6a19\uff08\u6955\u5186\u4f53\u9ad8\u3092\u542b\u3080\uff09\n    \u2193\n\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502 WGS84 \u2192 JGD2011\u5909\u63db  \u2502  \u2190 RTK\u88dc\u6b63\u305a\u307f\u306a\u306e\u3067\u6b86\u3069\u540c\u3058\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n    \u2193\n\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502 \u6955\u5186\u4f53\u9ad8 \u2192 \u6a19\u9ad8\u5909\u63db\u3000\u3000\u2502  \u2190 \u30b8\u30aa\u30a4\u30c92024\u4f7f\u7528\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n    \u2193\nJGD2011\u76f8\u5f53\u306e\u5ea7\u6a19\uff08\u7def\u5ea6\u3001\u7d4c\u5ea6\uff09\u3068\u30b8\u30aa\u30a4\u30c92024\u306e\u6a19\u9ad8<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">JGD2011\u3068JGD2024\u306e\u95a2\u4fc2<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6955\u5186\u4f53\u306f\u540c\u4e00<\/strong>: GRS80\u6955\u5186\u4f53\u3092\u5171\u7528<\/li>\n\n\n\n<li><strong>\u30b8\u30aa\u30a4\u30c9\u306e\u9ad8\u7cbe\u5ea6\u5316<\/strong>: GSIGEO2024\u3067\u7cbe\u5ea6\u5411\u4e0a<br>\u53c2\u8003\uff1a<a href=\"https:\/\/y42u.net\/tec001\/2025\/11\/18\/%e3%82%b8%e3%82%aa%e3%82%a4%e3%83%892011-2024%e3%81%a8%e5%b7%ae%e5%88%86%e3%82%92%e5%8f%af%e8%a6%96%e5%8c%96%e3%81%97%e3%81%a6%e3%81%bf%e3%81%9f\/\">\u30b8\u30aa\u30a4\u30c92011\/2024\u3068\u5dee\u5206\u3092\u53ef\u8996\u5316\u3057\u3066\u307f\u305f<\/a><\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">GeoDiveExa\u306e\u73fe\u72b6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">GeoDiveExa\u306f\u4ee5\u4e0b\u306e\u70b9\u3067\u3001JGD2024\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30b8\u30aa\u30a4\u30c92024\u30b5\u30dd\u30fc\u30c8<\/strong>: GSIGEO2024\u306b\u3088\u308b\u9ad8\u7cbe\u5ea6\u6a19\u9ad8<br>\u3000\u3000JGD2011+\u30b8\u30aa\u30a4\u30c92024\u5bfe\u5fdc\u306a\u306e\u3067JGD2024\u3068\u8a00\u3048\u308b<\/li>\n\n\n\n<li>\u307f\u3061\u3073\u304d\u306eCLAS\u53d7\u4fe1\u6a5f\u4f7f\u7528\u6642: \u30bb\u30df\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u88dc\u6b63\u306b\u3088\u308aJGD2024\u306e\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u9ad8\u7cbe\u5ea6\u6e2c\u4f4d<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b9f\u52d9\u4e0a\u306e\u610f\u7fa9<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u516c\u5171\u6e2c\u91cf<\/strong>\u306b\u3064\u3044\u3066: JGD2024\u6e96\u62e0\u306e\u6210\u679c\u4f5c\u6210\u304c\u53ef\u80fd\u3068\u601d\u308f\u308c\u307e\u3059\u304c\u3001\u56fd\u571f\u5730\u7406\u9662\u306e\u8a8d\u8a3c\u304c\u53d6\u308c\u3066\u3044\u307e\u305b\u3093\u306e\u3067\u3001\u516c\u5171\u6e2c\u91cf\u306b\u306f\u4f7f\u7528\u3067\u304d\u307e\u305b\u3093\u3002<\/li>\n\n\n\n<li><strong>\u9ad8\u7cbe\u5ea6\u6e2c\u5b9a<\/strong>: \u00b12cm\u7cbe\u5ea6\u306e\u6e2c\u5b9a\u5b9f\u73fe<\/li>\n\n\n\n<li><strong>\u56fd\u571f\u5730\u7406\u9662\u6574\u5408<\/strong>: \u96fb\u5b50\u57fa\u6e96\u70b9\u3001\u57fa\u76e4\u5730\u56f3\u60c5\u5831\u3068\u306e\u6574\u5408<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">GeoDiveExa\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u6700\u65b0\u306e\u6e2c\u5730\u7cfbJGD2024\u306b\u6e96\u62e0\u3057\u6e2c\u5b9a\u30c7\u30fc\u30bf\u3092\u3001\u73fe\u5834\u3067\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306b\u53d6\u5f97\u3067\u304d\u307e\u3059\u304c\u516c\u5171\u6e2c\u91cf\u306b\u306f\u4f7f\u7528\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u6ce8\u610f\uff11\uff1a\u516c\u5171\u6e2c\u91cf\u306b\u306f\u4f7f\u3048\u307e\u305b\u3093<\/h2>\n\n\n\n<p 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