{"id":3057,"date":"2026-06-24T08:59:39","date_gmt":"2026-06-23T23:59:39","guid":{"rendered":"https:\/\/y42u.net\/tec001\/2026\/06\/24\/f51-solution-itrf2020-rtk-field\/"},"modified":"2026-06-26T17:59:36","modified_gmt":"2026-06-26T08:59:36","slug":"f51-solution-itrf2020-rtk-field","status":"publish","type":"post","link":"https:\/\/y42u.net\/tec001\/2026\/06\/24\/f51-solution-itrf2020-rtk-field\/","title":{"rendered":"\u96fb\u5b50\u57fa\u6e96\u70b9\u300c\u65e5\u3005\u306e\u5ea7\u6a19\u5024\u300d\u304cF5.1\u89e3\u3078 \u2014 ITRF2020\u79fb\u884c\u304cRTK-GNSS\u73fe\u5834\u306b\u610f\u5473\u3059\u308b\u3053\u3068"},"content":{"rendered":"<style>img.autopost-single-image{width:30%;max-width:100%;height:auto;display:block;}@media (max-width: 768px){img.autopost-single-image{width:50%;}}<\/style>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" style=\"width:80%;max-width:100%;height:auto;display:block;margin:0 auto;\" src=\"https:\/\/i0.wp.com\/y42u.net\/tec001\/wp-content\/uploads\/2026\/06\/f51-solution-itrf2020-rtk-field-1.jpg?ssl=1\" alt=\"\u96fb\u5b50\u57fa\u6e96\u70b9 \u65e5\u3005\u306e\u5ea7\u6a19\u5024 F5.1\u89e3\u3068ITRF2020\u79fb\u884c\"><\/p>\n<h1 id=\"f51-itrf2020rtk-gnss\">\u96fb\u5b50\u57fa\u6e96\u70b9\u300c\u65e5\u3005\u306e\u5ea7\u6a19\u5024\u300d\u304cF5.1\u89e3\u3078 \u2014 ITRF2020\u79fb\u884c\u304cRTK-GNSS\u73fe\u5834\u306b\u610f\u5473\u3059\u308b\u3053\u3068<\/h1>\n<p>2026\u5e744\u67081\u65e5\u3001\u56fd\u571f\u5730\u7406\u9662\u306f\u96fb\u5b50\u57fa\u6e96\u70b9\uff08GEONET\uff09\u306e\u300c\u65e5\u3005\u306e\u5ea7\u6a19\u5024\u300d\u3092\u3001\u65b0\u3057\u3044\u89e3\u6790\u624b\u6cd5\u306b\u3088\u308b <strong>F5.1\u89e3<\/strong>\uff08\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u7cfb\u306f R5.1\u89e3\uff09\u3068\u3057\u3066\u6b63\u5f0f\u516c\u958b\u3057\u307e\u3057\u305f\u3002\u5f93\u6765\u306e F5\u89e3\u30fbR5\u89e3\u306f\u3053\u306e\u65e5\u3092\u3082\u3063\u3066\u66f4\u65b0\u3092\u7d42\u3048\u3066\u3044\u307e\u3059\u3002\u4e00\u898b\u3059\u308b\u3068\u5730\u5473\u306a\u89e3\u6790\u7cfb\u306e\u5165\u308c\u66ff\u3048\u3067\u3059\u304c\u3001\u96fb\u5b50\u57fa\u6e96\u70b9\u306f RTK-GNSS \u306e\u57fa\u6e96\u5c40\u30fb\u88dc\u6b63\u60c5\u5831\u306e\u304a\u304a\u3082\u3068\u306a\u306e\u3067\u3001\u73fe\u5834\u3067\u4f4d\u7f6e\u8abf\u67fb\u3092\u884c\u3046 GeoDiveExa\uff08GDE\uff09\u306e\u76ee\u7dda\u3067\u3082\u62bc\u3055\u3048\u3066\u304a\u304d\u305f\u3044\u5909\u66f4\u3067\u3059\u3002\u4f55\u304c\u5909\u308f\u308a\u3001\u73fe\u5834\u3067\u306f\u4f55\u3092\u610f\u8b58\u3059\u308c\u3070\u3088\u3044\u304b\u3092\u6574\u7406\u3057\u307e\u3059\u3002<\/p>\n<hr \/>\n<h2 id=\"_1\">\u300c\u65e5\u3005\u306e\u5ea7\u6a19\u5024\u300d\u3068\u306f\u4f55\u304b<\/h2>\n<p>\u96fb\u5b50\u57fa\u6e96\u70b9\u306f\u5168\u56fd\u306b\u7d0420km\u9593\u9694\u3067\u8a2d\u7f6e\u3055\u308c\u305f GNSS \u306e\u9023\u7d9a\u89b3\u6e2c\u70b9\u3067\u3001\u305d\u306e\u89b3\u6e2c\u30c7\u30fc\u30bf\u3092\u89e3\u6790\u3057\u3066\u6bce\u65e5\u306e\u5ea7\u6a19\u3092\u6c42\u3081\u305f\u3082\u306e\u304c\u300c\u65e5\u3005\u306e\u5ea7\u6a19\u5024\u300d\u3067\u3059\u3002\u3053\u306e\u5024\u306f\u5730\u6bbb\u5909\u52d5\u306e\u76e3\u8996\u306b\u4f7f\u308f\u308c\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30afRTK\uff08VRS\uff09\u306e\u57fa\u6e96\u70b9\u5ea7\u6a19\u3084\u3001\u5730\u6bbb\u5909\u52d5\u88dc\u6b63\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u4f5c\u6210\u306b\u3082\u4f7f\u308f\u308c\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u73fe\u5834\u3067\u53d7\u3051\u53d6\u308b\u88dc\u6b63\u60c5\u5831\u306e\u300c\u571f\u53f0\u300d\u306b\u306a\u3063\u3066\u3044\u308b\u6570\u5024\u3067\u3059\u3002<\/p>\n<hr \/>\n<h2 id=\"f5f51\">F5\u89e3\u304b\u3089F5.1\u89e3\u3078 \u2014 \u4f55\u304c\u5909\u308f\u3063\u305f\u304b<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u9805\u76ee<\/th>\n<th>\u5f93\u6765\uff08F5\u89e3\uff09<\/th>\n<th>\u65b0\uff08F5.1\u89e3\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u57fa\u6e96\u3068\u3059\u308b\u5ea7\u6a19\u7cfb<\/td>\n<td>ITRF2014<\/td>\n<td><strong>ITRF2020<\/strong><\/td>\n<\/tr>\n<tr>\n<td>\u30a2\u30f3\u30c6\u30ca\u4f4d\u76f8\u7279\u6027\u30e2\u30c7\u30eb<\/td>\n<td>\u5f93\u6765\u30e2\u30c7\u30eb<\/td>\n<td>\u6700\u65b0\u30e2\u30c7\u30eb\u306b\u66f4\u65b0<\/td>\n<\/tr>\n<tr>\n<td>\u89e3\u6790\u8a2d\u5b9a<\/td>\n<td>\u5f93\u6765\u8a2d\u5b9a<\/td>\n<td>\u4e00\u90e8\u898b\u76f4\u3057<\/td>\n<\/tr>\n<tr>\n<td>\u898b\u304b\u3051\u306e\u5909\u52d5<\/td>\n<td>\u2014<\/td>\n<td>\u4f4e\u6e1b\u304c\u671f\u5f85\u3055\u308c\u308b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6700\u5927\u306e\u30dd\u30a4\u30f3\u30c8\u306f\u3001\u57fa\u6e96\u3068\u3059\u308b\u56fd\u969b\u5730\u7403\u57fa\u6e96\u5ea7\u6a19\u7cfb\u304c <strong>ITRF2014 \u304b\u3089\u6700\u65b0\u306e ITRF2020 \u3078\u66f4\u65b0<\/strong>\u3055\u308c\u305f\u3053\u3068\u3067\u3059\u3002\u3042\u308f\u305b\u3066\u30a2\u30f3\u30c6\u30ca\u4f4d\u76f8\u7279\u6027\u30e2\u30c7\u30eb\u306a\u3069\u306e\u89e3\u6790\u8a2d\u5b9a\u3082\u898b\u76f4\u3055\u308c\u307e\u3057\u305f\u3002\u56fd\u571f\u5730\u7406\u9662\u306f\u3001\u3053\u308c\u306b\u3088\u308a\u65e5\u3005\u306e\u5ea7\u6a19\u5024\u306e\u898b\u304b\u3051\u4e0a\u306e\u3070\u3089\u3064\u304d\u304c\u5c0f\u3055\u304f\u306a\u308b\u3053\u3068\u3092\u898b\u8fbc\u3093\u3067\u3044\u308b\u3068\u3057\u3066\u3044\u307e\u3059\u3002\u306a\u304a\u3001\u6e2c\u91cf\u4f5c\u696d\u3067\u306e\u4f7f\u3044\u65b9\u305d\u306e\u3082\u306e\u306b\u5909\u66f4\u306f\u306a\u3044\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<hr \/>\n<h2 id=\"rtk-gnss\">RTK-GNSS\u306e\u73fe\u5834\u306b\u3068\u3063\u3066\u306e\u610f\u5473<\/h2>\n<p>\u73fe\u5834\u306e\u4f5c\u696d\u624b\u9806\u304c\u3059\u3050\u5909\u308f\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u80cc\u666f\u3092\u77e5\u3063\u3066\u304a\u304f\u3068\u300c\u306a\u305c\u88dc\u6b63\u304c\u3053\u3046\u632f\u308b\u821e\u3046\u306e\u304b\u300d\u304c\u8151\u306b\u843d\u3061\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u88dc\u6b63\u60c5\u5831\u306e\u571f\u53f0\u304c\u66f4\u65b0\u3055\u308c\u305f<\/strong>\uff1a\u30cd\u30c3\u30c8\u30ef\u30fc\u30afRTK\uff08VRS\uff09\u306e\u4eee\u60f3\u70b9\u3084 CLAS \u3067\u53d7\u3051\u53d6\u308b\u88dc\u6b63\u306f\u3001\u6700\u7d42\u7684\u306b\u96fb\u5b50\u57fa\u6e96\u70b9\u5ea7\u6a19\u3068\u56fd\u5bb6\u5ea7\u6a19\uff08JGD2024\uff09\u306b\u6574\u5408\u3055\u305b\u308b\u524d\u63d0\u3067\u6210\u308a\u7acb\u3063\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u571f\u53f0\u304c ITRF2020 \u7cfb\u306b\u63c3\u3063\u305f\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/li>\n<li><strong>\u300c\u3044\u3064\u306e\u5ea7\u6a19\u304b\uff08\u5143\u671f\uff09\u300d\u306e\u610f\u8b58\u306f\u5f15\u304d\u7d9a\u304d\u91cd\u8981<\/strong>\uff1a\u9ad8\u7cbe\u5ea6\u6e2c\u4f4d\u3067\u306f\u3001\u5f97\u3089\u308c\u305f\u5ea7\u6a19\u304c\u300c\u3069\u306e\u5ea7\u6a19\u7cfb\u30fb\u3069\u306e\u6642\u70b9\uff08\u5143\u671f\uff09\u300d\u306e\u3082\u306e\u304b\u3092\u53d6\u308a\u9055\u3048\u308b\u3068\u3001\u6570cm\u301c\u306e\u98df\u3044\u9055\u3044\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002F5.1\u89e3\u3078\u306e\u79fb\u884c\u306f\u3001\u3053\u306e\u524d\u63d0\u304c\u65b0\u3057\u3044\u56fd\u969b\u57fa\u6e96\u306b\u4e57\u3063\u305f\u3068\u3044\u3046\u3053\u3068\u3067\u3082\u3042\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u65b9\u5f0f\u3054\u3068\u306e\u4f7f\u3044\u5206\u3051\u306f\u5909\u308f\u3089\u306a\u3044<\/strong>\uff1a\u30cd\u30c3\u30c8\u30ef\u30fc\u30afRTK \u3068 CLAS \u306e\u9078\u629e\u306f\u3001\u73fe\u5834\u6761\u4ef6\uff08\u57fa\u6e96\u5c40\u304b\u3089\u306e\u8ddd\u96e2\u3001\u4e0a\u7a7a\u306e\u958b\u3051\u5177\u5408\u3001\u53d7\u4fe1\u72b6\u6cc1\uff09\u3067\u6c7a\u3081\u308b\u3068\u3044\u3046\u539f\u5247\u306f\u540c\u3058\u3067\u3059\u3002<\/li>\n<\/ul>\n<p>\u88dc\u6b63\u60c5\u5831\u306e\u51fa\u3069\u3053\u308d\u306b\u3088\u3063\u3066\u6319\u52d5\u304c\u5909\u308f\u308b\u305f\u3081\u3001\u73fe\u5834\u3067\u306f\u65b9\u5f0f\u306e\u4f7f\u3044\u5206\u3051\u304c\u52b9\u304d\u307e\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30afRTK \u3068 CLAS \u306e\u9055\u3044\u306f\u5225\u8a18\u4e8b\u3067\u6574\u7406\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" style=\"width:50%;max-width:100%;height:auto;display:block;margin:0 auto;\" src=\"https:\/\/i0.wp.com\/y42u.net\/tec001\/wp-content\/uploads\/2026\/06\/networkrtk-vrs-vs-clas-field-1.jpg?ssl=1\" alt=\"\u30cd\u30c3\u30c8\u30ef\u30fc\u30afRTK\u3068\u5358\u72ecCLAS\u306e\u4f7f\u3044\u5206\u3051\"><\/p>\n<hr \/>\n<h2 id=\"_2\">\u307f\u3061\u3073\u304d\u306e\u4f53\u5236\u5f37\u5316\u3068\u3042\u308f\u305b\u3066\u898b\u308b<\/h2>\n<p>\u6e2c\u4f4d\u30a4\u30f3\u30d5\u30e9\u5074\u3067\u306f\u3001\u307f\u3061\u3073\u304d\uff08QZSS\uff09\u306e7\u6a5f\u4f53\u5236\u306b\u5411\u3051\u305f\u6574\u5099\u304c\u9032\u3093\u3067\u3044\u307e\u3059\uff087\u53f7\u6a5f\u306f\u6253\u4e0a\u3052\u6642\u671f\u304c\u8abf\u6574\u3055\u308c\u3066\u3044\u307e\u3059\uff09\u3002\u885b\u661f\u5074\u306e\u5897\u5f37\u3068\u3001\u5730\u4e0a\u5074\u306e\u96fb\u5b50\u57fa\u6e96\u70b9\u30fb\u5ea7\u6a19\u7cfb\u306e\u66f4\u65b0\u306f\u5225\u3005\u306e\u8a71\u306b\u898b\u3048\u307e\u3059\u304c\u3001\u3069\u3061\u3089\u3082\u300c\u65e5\u672c\u306e\u9ad8\u7cbe\u5ea6\u6e2c\u4f4d\u306e\u57fa\u76e4\u3092\u65b0\u3057\u304f\u63c3\u3048\u3066\u3044\u304f\u300d\u6d41\u308c\u306e\u4e00\u90e8\u3067\u3059\u3002\u73fe\u5834\u3068\u3057\u3066\u306f\u3001\u885b\u661f\u914d\u7f6e\u306e\u6539\u5584\u3068\u88dc\u6b63\u57fa\u76e4\u306e\u66f4\u65b0\u304c\u540c\u6642\u671f\u306b\u9032\u3093\u3067\u3044\u308b\u3053\u3068\u3092\u628a\u63e1\u3057\u3066\u304a\u304f\u3068\u3088\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" style=\"width:50%;max-width:100%;height:auto;display:block;margin:0 auto;\" src=\"https:\/\/i0.wp.com\/y42u.net\/tec001\/wp-content\/uploads\/2026\/06\/qzss-clas-7sat-rtk-2026-2.jpg?ssl=1\" alt=\"\u307f\u3061\u3073\u304dCLAS\u30687\u6a5f\u4f53\u5236\"><\/p>\n<hr \/>\n<h2 id=\"_3\">\u307e\u3068\u3081<\/h2>\n<p>F5.1\u89e3\u3078\u306e\u79fb\u884c\u306f\u3001\u96fb\u5b50\u57fa\u6e96\u70b9\u306e\u65e5\u3005\u306e\u5ea7\u6a19\u5024\u304c ITRF2020 \u3092\u57fa\u6e96\u3068\u3059\u308b\u65b0\u3057\u3044\u89e3\u6790\u7cfb\u306b\u5207\u308a\u66ff\u308f\u3063\u305f\u3068\u3044\u3046\u3001\u6e2c\u4f4d\u57fa\u76e4\u306e\u8db3\u5143\u306e\u66f4\u65b0\u3067\u3059\u3002\u73fe\u5834\u306e\u64cd\u4f5c\u624b\u9806\u304c\u3059\u3050\u5909\u308f\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30afRTK \u3084 CLAS \u3067\u53d7\u3051\u53d6\u308b\u88dc\u6b63\u306e\u571f\u53f0\u304c\u65b0\u3057\u304f\u306a\u3063\u305f\u3053\u3068\u3001\u305d\u3057\u3066\u300c\u3069\u306e\u5ea7\u6a19\u7cfb\u30fb\u3069\u306e\u6642\u70b9\u306e\u5ea7\u6a19\u304b\u300d\u3068\u3044\u3046\u610f\u8b58\u304c\u5f15\u304d\u7d9a\u304d\u5927\u5207\u306a\u3053\u3068\u3092\u62bc\u3055\u3048\u3066\u304a\u304f\u3068\u3001Fix \u306e\u5024\u3092\u8aad\u3080\u76ee\u304c\u78ba\u304b\u306b\u306a\u308a\u307e\u3059\u3002GeoDiveExa \u3067\u306f\u89b3\u6e2c\u70b9\u3054\u3068\u306b\u7cbe\u5ea6\u306e\u72b6\u614b\u3092\u78ba\u8a8d\u3067\u304d\u308b\u306e\u3067\u3001\u57fa\u76e4\u66f4\u65b0\u306e\u524d\u5f8c\u3067\u5024\u306e\u843d\u3061\u7740\u304d\u65b9\u3092\u898b\u6bd4\u3079\u308b\u6750\u6599\u306b\u3082\u306a\u308a\u307e\u3059\u3002<\/p>\n<hr \/>\n<h2 id=\"_4\">\u95a2\u9023\u8a18\u4e8b\uff08\u53c2\u8003\u60c5\u5831\uff09<\/h2>\n<ul>\n<li><a href=\"https:\/\/gcpro.y42u.net\/2026\/06\/24\/geonet-f3-f5-f51-strategy\/\">GEONET\u89e3\u6790\u30b9\u30c8\u30e9\u30c6\u30b8\u306e\u5909\u9077 \u2014 F3\u89e3\u30fbF5\u89e3\u30fbF5.1\u89e3\u306e\u6280\u8853\u80cc\u666f\uff08GCVP\uff09<\/a><\/li>\n<li><a href=\"https:\/\/y42u.net\/tec001\/2026\/06\/22\/networkrtk-vrs-vs-clas-field\/\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30afRTK\uff08VRS\uff09\u3068\u5358\u72ecCLAS\u306e\u4f7f\u3044\u5206\u3051\uff08GDE\uff09<\/a><\/li>\n<li><a href=\"https:\/\/y42u.net\/tec001\/2026\/06\/19\/qzss-clas-7sat-rtk-2026\/\">\u307f\u3061\u3073\u304dCLAS\u30687\u6a5f\u4f53\u5236\u3067RTK\u306f\u3069\u3046\u5909\u308f\u308b\u304b\uff08GDE\uff09<\/a><\/li>\n<li><a href=\"https:\/\/y42u.net\/tec001\/2026\/06\/22\/summer-rtk-positioning-quality\/\">\u590f\u306eRTK-GNSS\u6e2c\u4f4d\u54c1\u8cea\u3092\u5b88\u308b\u73fe\u5834\u5bfe\u7b56\uff08GDE\uff09<\/a><\/li>\n<li><a href=\"https:\/\/gcpro.y42u.net\/2026\/06\/21\/wgs84-jgd2024-datum-relation\/\">WGS84\u3068JGD2024\u306e\u95a2\u4fc2\uff08GCVP\uff09<\/a><\/li>\n<li><a href=\"https:\/\/gcpro.y42u.net\/2026\/06\/03\/semidynamic-correction-explained\/\">\u30bb\u30df\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u88dc\u6b63\u3068\u306f\u4f55\u304b\uff08GCVP\uff09<\/a><\/li>\n<\/ul>\n<hr \/>\n<h3 id=\"_5\">\u51fa\u5178<\/h3>\n<ul>\n<li>\u56fd\u571f\u5730\u7406\u9662\u300c\u65b0\u3057\u3044\u300e\u96fb\u5b50\u57fa\u6e96\u70b9\u65e5\u3005\u306e\u5ea7\u6a19\u5024\uff08F5.1\u89e3\uff09\u300f\u3092\u516c\u958b\u3057\u307e\u3059\u300d https:\/\/www.gsi.go.jp\/denshi\/denshi65021.html<\/li>\n<li>\u56fd\u571f\u5730\u7406\u9662\u300c\u65b0\u3057\u3044\u300e\u96fb\u5b50\u57fa\u6e96\u70b9\u65e5\u3005\u306e\u5ea7\u6a19\u5024\uff08F5.1\u89e3\uff09\u300f\u306e\u8a66\u9a13\u516c\u958b\u300d https:\/\/www.gsi.go.jp\/denshi\/denshi_20250328.html<\/li>\n<li>\u5185\u95a3\u5e9c 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ITRF2020\u79fb\u884c\u304cRTK-GNSS\u73fe\u5834\u306b\u610f\u5473\u3059\u308b\u3053\u3068 2026\u5e744\u67081\u65e5\u3001\u56fd\u571f\u5730\u7406\u9662\u306f\u96fb\u5b50\u57fa\u6e96\u70b9\uff08GEONET\uff09\u306e\u300c\u65e5\u3005\u306e\u5ea7\u6a19\u5024\u300d\u3092\u3001\u65b0\u3057\u3044\u89e3\u6790\u624b\u6cd5\u306b\u3088\u308b F5.1\u89e3\uff08\u30ea 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