{"id":4050,"date":"2026-09-23T08:15:29","date_gmt":"2026-09-22T23:15:29","guid":{"rendered":"https:\/\/y42u.net\/tec001\/2026\/09\/23\/rtk-accuracy-spec-ppm-rms-field\/"},"modified":"2026-09-26T10:40:38","modified_gmt":"2026-09-26T01:40:38","slug":"rtk-accuracy-spec-ppm-rms-field","status":"publish","type":"post","link":"https:\/\/y42u.net\/tec001\/2026\/09\/23\/rtk-accuracy-spec-ppm-rms-field\/","title":{"rendered":"RTK\u306e\u7cbe\u5ea6\u300c10mm\uff0b1ppm\u300d\u306f\u3069\u3046\u3044\u3046\u610f\u5473\uff1f \u2014 \u30ab\u30bf\u30ed\u30b0\u5024\u306e\u8aad\u307f\u65b9\u3068\u3001\u73fe\u5834\u306e\u3070\u3089\u3064\u304d\u304c\u500d\u306b\u898b\u3048\u308b\u7406\u7531"},"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 decoding=\"async\" style=\"width:80%;max-width:100%;height:auto;display:block;margin:0 auto;\" src=\"https:\/\/y42u.net\/tec001\/wp-content\/uploads\/2026\/09\/gde-rtk-accuracy-spec-ppm-rms-field.jpeg\" alt=\"RTK\u306e\u7cbe\u5ea6\u300c10mm\uff0b1ppm\u300d\u306f\u3069\u3046\u3044\u3046\u610f\u5473\uff1f \u2014 \u30ab\u30bf\u30ed\u30b0\u5024\u306e\u8aad\u307f\u65b9\u3068\u3001\u73fe\u5834\u306e\u3070\u3089\u3064\u304d\u304c\u500d\u306b\u898b\u3048\u308b\u7406\u7531\"><\/p>\n<h1 id=\"rtk10mm1ppm\">RTK\u306e\u7cbe\u5ea6\u300c10mm\uff0b1ppm\u300d\u306f\u3069\u3046\u3044\u3046\u610f\u5473\uff1f \u2014 \u30ab\u30bf\u30ed\u30b0\u5024\u306e\u8aad\u307f\u65b9\u3068\u3001\u73fe\u5834\u306e\u3070\u3089\u3064\u304d\u304c\u500d\u306b\u898b\u3048\u308b\u7406\u7531<\/h1>\n<p>RTK\u53d7\u4fe1\u6a5f\u306e\u30ab\u30bf\u30ed\u30b0\u306b\u4e26\u3076\u300c\u6c34\u5e73 10mm\uff0b1ppm\u300d\u306f\u3001<strong>\u56fa\u5b9a\u306e\u8aa4\u5dee10mm\u306b\u3001\u57fa\u7dda\u95771km\u3042\u305f\u308a1mm\u3092\u8db3\u3059<\/strong>\u3068\u3044\u3046\u610f\u5473\u3067\u3059\u3002\u57fa\u6e96\u5c40\u304b\u308910km\u96e2\u308c\u308c\u307020mm\u306b\u306a\u308a\u307e\u3059\u3002\u3057\u304b\u3082\u3053\u306e\u5024\u306fRMS\u8868\u8a18\u3067\u3001<strong>\u6e2c\u3063\u305f\u70b9\u306e3\u5206\u306e2\u7a0b\u5ea6\u304c\u53ce\u307e\u308b\u7bc4\u56f2<\/strong>\u306b\u3059\u304e\u307e\u305b\u3093\u3002\u73fe\u5834\u306e\u3070\u3089\u3064\u304d\u304c\u30ab\u30bf\u30ed\u30b0\u306e\u500d\u306b\u898b\u3048\u308b\u306e\u306f\u3001\u591a\u304f\u306e\u5834\u5408\u3053\u306e2\u70b9\u3092\u8aad\u307f\u9055\u3048\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n<hr \/>\n<h2 id=\"10mm1ppm\">\u300c10mm\uff0b1ppm\u300d\u306f\u8db3\u3057\u7b97\u306e\u5f0f<\/h2>\n<p>ppm \u306f parts per million\u3001100\u4e07\u5206\u306e1\u3067\u3059\u3002\u57fa\u7dda\u9577\uff08\u57fa\u6e96\u5c40\u3068\u79fb\u52d5\u5c40\u306e\u8ddd\u96e2\uff09\u306b\u5bfe\u3059\u308b\u6bd4\u306a\u306e\u3067\u3001<strong>1ppm \uff1d \u57fa\u7dda\u95771km\u3042\u305f\u308a1mm<\/strong>\u3068\u8aad\u307f\u66ff\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" style=\"width:80%;max-width:100%;height:auto;display:block;margin:0 auto;\" src=\"https:\/\/y42u.net\/tec001\/wp-content\/uploads\/2026\/09\/gde-fig-rtk-base-rover.jpeg\" alt=\"\u57fa\u6e96\u5c40\u3068\u79fb\u52d5\u5c40\u3001\u305d\u306e\u3042\u3044\u3060\u306e\u57fa\u7dda\u9577\"><\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: right;\">\u57fa\u7dda\u9577<\/th>\n<th style=\"text-align: right;\">1ppm \u3076\u3093<\/th>\n<th style=\"text-align: right;\">\u300c10mm\uff0b1ppm\u300d\u306e\u5408\u8a08<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: right;\">1 km<\/td>\n<td style=\"text-align: right;\">1 mm<\/td>\n<td style=\"text-align: right;\">11 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: right;\">5 km<\/td>\n<td style=\"text-align: right;\">5 mm<\/td>\n<td style=\"text-align: right;\">15 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: right;\">10 km<\/td>\n<td style=\"text-align: right;\">10 mm<\/td>\n<td style=\"text-align: right;\">20 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: right;\">20 km<\/td>\n<td style=\"text-align: right;\">20 mm<\/td>\n<td style=\"text-align: right;\">30 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u56fa\u5b9a\u90e8\uff0810mm\uff09\u306f\u30a2\u30f3\u30c6\u30ca\u306e\u4f4d\u76f8\u4e2d\u5fc3\u3084\u53d7\u4fe1\u6a5f\u306e\u5206\u89e3\u80fd\u306a\u3069\u3001\u8ddd\u96e2\u306b\u3088\u3089\u305a\u6b8b\u308b\u8aa4\u5dee\u3067\u3059\u3002\u6bd4\u4f8b\u90e8\uff081ppm\uff09\u306f\u3001\u57fa\u6e96\u5c40\u3068\u79fb\u52d5\u5c40\u3067\u96fb\u96e2\u5c64\u30fb\u5bfe\u6d41\u570f\u306e\u901a\u308a\u65b9\u304c\u5909\u308f\u308b\u305f\u3081\u306b\u6d88\u3057\u304d\u308c\u306a\u3044\u6b8b\u5dee\u3067\u3059\u3002\u57fa\u7dda\u9577\u304c\u4f38\u3073\u308b\u307b\u3069\u5f8c\u8005\u304c\u52b9\u3044\u3066\u304f\u308b\u7406\u7531\u306f\u3001<a href=\"https:\/\/y42u.net\/tec001\/2026\/08\/07\/rtk-baseline-length-accuracy-field\/\">RTK\u57fa\u7dda\u9577\u3068\u6e2c\u4f4d\u7cbe\u5ea6\u306e\u95a2\u4fc2<\/a>\u3067\u4ed5\u7d44\u307f\u3092\u6574\u7406\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<blockquote><p>\n\u6570\u5024\u306f\u6a5f\u7a2e\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\u591a\u304f\u306e\u53d7\u4fe1\u6a5f\u3067\u306f\u6c34\u5e73 \u00b1(8\u301c10mm \uff0b 1ppm)\u3001\u5782\u76f4 \u00b1(15\u301c20mm \uff0b 1ppm) \u524d\u5f8c\u304c\u4e26\u3073\u307e\u3059\u304c\u3001<strong>\u5fc5\u305a\u4f7f\u7528\u6a5f\u306e\u30ab\u30bf\u30ed\u30b0\u306e\u5b9f\u6570\u3092\u898b\u3066\u304f\u3060\u3055\u3044<\/strong>\u3002\u672c\u8a18\u4e8b\u306e\u8868\u306f\u300c10mm\uff0b1ppm\u300d\u300c20mm\uff0b1ppm\u300d\u3092\u4f8b\u3068\u3057\u3066\u8a08\u7b97\u3057\u305f\u3082\u306e\u3067\u3059\u3002\n<\/p><\/blockquote>\n<hr \/>\n<h2 id=\"_1\">\u6c34\u5e73\u3068\u5782\u76f4\u3067\u6570\u5b57\u304c\u9055\u3046<\/h2>\n<p>GNSS\u306f\u885b\u661f\u3092\u300c\u4e0a\u304b\u3089\u898b\u308b\u300d\u914d\u7f6e\u306b\u306a\u308b\u305f\u3081\u3001<strong>\u4e0a\u4e0b\u65b9\u5411\u306f\u6a2a\u65b9\u5411\u3088\u308a\u4e0d\u5229<\/strong>\u3067\u3059\u3002\u30ab\u30bf\u30ed\u30b0\u3067\u3082\u6c34\u5e73\u3068\u5782\u76f4\u306f\u5225\u884c\u306b\u5206\u3051\u3066\u66f8\u304b\u308c\u3001\u5782\u76f4\u306f\u304a\u304a\u3080\u306d\u6c34\u5e73\u306e1.5\u301c2\u500d\u306e\u5024\u304c\u5165\u308a\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: right;\">\u57fa\u7dda\u9577<\/th>\n<th style=\"text-align: right;\">\u6c34\u5e73\uff0810mm\uff0b1ppm\uff09<\/th>\n<th style=\"text-align: right;\">\u5782\u76f4\uff0820mm\uff0b1ppm\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: right;\">1 km<\/td>\n<td style=\"text-align: right;\">11 mm<\/td>\n<td style=\"text-align: right;\">21 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: right;\">10 km<\/td>\n<td style=\"text-align: right;\">20 mm<\/td>\n<td style=\"text-align: right;\">30 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: right;\">20 km<\/td>\n<td style=\"text-align: right;\">30 mm<\/td>\n<td style=\"text-align: right;\">40 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u9ad8\u3055\u306e\u6271\u3044\u306f\u3001\u305d\u3082\u305d\u3082\u300c\u3069\u306e\u9ad8\u3055\u304b\u300d\u3067\u3082\u5909\u308f\u308a\u307e\u3059\u3002GNSS\u304c\u76f4\u63a5\u51fa\u3059\u306e\u306f\u6955\u5186\u4f53\u9ad8\u3067\u3001\u6a19\u9ad8\u306b\u3059\u308b\u306b\u306f\u30b8\u30aa\u30a4\u30c9\u9ad8\u3092\u5f15\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u9055\u3044\u306f<a href=\"https:\/\/y42u.net\/tec001\/2026\/06\/29\/rtk-ellipsoidal-orthometric-height-field\/\">RTK\u306e\u6955\u5186\u4f53\u9ad8\u3068\u6a19\u9ad8<\/a>\u306b\u307e\u3068\u3081\u307e\u3057\u305f\u3002<\/p>\n<hr \/>\n<h2 id=\"rms\">RMS \u306f\u300c\u5168\u90e8\u304c\u305d\u306e\u7bc4\u56f2\u306b\u5165\u308b\u300d\u3067\u306f\u306a\u3044<\/h2>\n<p>\u30ab\u30bf\u30ed\u30b0\u5024\u306b\u306f\u305f\u3044\u3066\u3044 <strong>RMS<\/strong> \u3068\u6dfb\u3048\u3089\u308c\u3066\u3044\u307e\u3059\u3002RMS \u306f\u3070\u3089\u3064\u304d\u306e\u4ee3\u8868\u5024\u3067\u3001\u5b9f\u52d9\u4e0a\u306f\u6a19\u6e96\u504f\u5dee\uff081\u03c3\uff09\u3068\u307b\u307c\u540c\u3058\u3082\u306e\u3068\u3057\u3066\u6271\u308f\u308c\u307e\u3059\u3002\u3064\u307e\u308a\u3001<\/p>\n<ul>\n<li><strong>RMS \u306e\u7bc4\u56f2\u306b\u53ce\u307e\u308b\u306e\u306f\u3001\u6e2c\u3063\u305f\u70b9\u306e\u304a\u3088\u305d3\u5206\u306e2<\/strong><\/li>\n<li>\u6b8b\u308a\u306e3\u5206\u306e1\u306f\u305d\u306e\u5916\u306b\u51fa\u308b<\/li>\n<li>\u300c95%\u306f\u3053\u306e\u4e2d\u300d\u3068\u8a00\u3044\u305f\u3044\u306a\u3089\u3001<strong>\u304a\u304a\u3080\u306d2\u500d<\/strong>\uff08\u6c34\u5e73\u306a\u30892DRMS\u3001\u5782\u76f4\u306a\u30892\u03c3\uff09<\/li>\n<\/ul>\n<p>\u3068\u3044\u3046\u95a2\u4fc2\u3067\u3059\u3002\u30ab\u30bf\u30ed\u30b0\u306e\u300c1cm\u300d\u3092\u300c\u5fc5\u305a1cm\u4ee5\u5185\u300d\u3068\u8aad\u3080\u3068\u3001\u73fe\u5834\u306e\u5b9f\u611f\u3068\u5408\u3044\u307e\u305b\u3093\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u57fa\u7dda\u957710km \u306e\u4f8b<\/th>\n<th style=\"text-align: right;\">RMS\uff08\u7d0468%\uff09<\/th>\n<th style=\"text-align: right;\">95%\u3067\u8a00\u3046\u3068\uff08\u7d042\u500d\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u6c34\u5e73<\/td>\n<td style=\"text-align: right;\">20 mm<\/td>\n<td style=\"text-align: right;\">\u7d04 40 mm<\/td>\n<\/tr>\n<tr>\n<td>\u5782\u76f4<\/td>\n<td style=\"text-align: right;\">30 mm<\/td>\n<td style=\"text-align: right;\">\u7d04 60 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u30ab\u30bf\u30ed\u30b0\u306e\u300c1cm\u7d1a\u300d\u306f\u300110km\u96e2\u308c\u305f\u73fe\u5834\u306795%\u57fa\u6e96\u306b\u76f4\u3059\u3068\u7d044cm<\/strong>\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u8a31\u5bb9\u5dee\u304c95%\u30842\u03c3\u3067\u66f8\u304b\u308c\u3066\u3044\u308b\u898f\u7a0b\u3068\u7a81\u304d\u5408\u308f\u305b\u308b\u3068\u304d\u306f\u3001\u3053\u3053\u3092\u63c3\u3048\u306a\u3044\u3068\u5224\u65ad\u3092\u8aa4\u308a\u307e\u3059\u3002<\/p>\n<hr \/>\n<h2 id=\"_2\">\u3060\u304b\u3089\u73fe\u5834\u306e\u3070\u3089\u3064\u304d\u306f\u300c\u500d\u306b\u898b\u3048\u308b\u300d<\/h2>\n<p>\u4ed5\u69d8\u3069\u304a\u308a\u306e\u53d7\u4fe1\u6a5f\u3067\u3082\u3001\u73fe\u5834\u3067\u4e26\u3079\u305f\u6e2c\u5b9a\u5024\u306e\u5e45\u304c\u30ab\u30bf\u30ed\u30b0\u306e2\u301c3\u500d\u306b\u898b\u3048\u308b\u3053\u3068\u306f\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u4e3b\u306a\u539f\u56e0\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u898b\u3048\u308b\u3070\u3089\u3064\u304d<\/th>\n<th>\u5b9f\u969b\u306b\u8d77\u304d\u3066\u3044\u308b\u3053\u3068<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u540c\u3058\u70b9\u3092\u6e2c\u308a\u76f4\u3059\u3068\u6570cm\u52d5\u304f<\/td>\n<td>RMS\u306e\u5916\u5074\u306b\u51fa\u308b3\u5206\u306e1\u3092\u898b\u3066\u3044\u308b\uff08\u7d71\u8a08\u306e\u6027\u8cea\u305d\u306e\u3082\u306e\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u5efa\u7269\u969b\u30fb\u6cd5\u9762\u969b\u3060\u3051\u66b4\u308c\u308b<\/td>\n<td>\u30de\u30eb\u30c1\u30d1\u30b9\u3002\u30ab\u30bf\u30ed\u30b0\u306e\u524d\u63d0\u306f\u30aa\u30fc\u30d7\u30f3\u30b9\u30ab\u30a4\u3067\u3059\uff08<a href=\"https:\/\/y42u.net\/tec001\/2026\/08\/19\/multipath-rtk-fix-instability-field\/\">Fix\u304c\u5efa\u7269\u969b\u3067\u66b4\u308c\u308b\u7406\u7531<\/a>\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u9ad8\u3055\u3060\u3051\u5408\u308f\u306a\u3044<\/td>\n<td>\u5782\u76f4\u306e\u4ed5\u69d8\u304c\u5225\u5024\u3067\u3042\u308b\u3053\u3068\u306b\u52a0\u3048\u3001\u30a2\u30f3\u30c6\u30ca\u9ad8\u306e\u6e2c\u308a\u9593\u9055\u3044\u304c\u76f4\u63a5\u4e57\u308b\uff08<a href=\"https:\/\/y42u.net\/tec001\/2026\/09\/05\/gnss-antenna-height-measurement-field\/\">\u30a2\u30f3\u30c6\u30ca\u9ad8\u306f\u4f55\u56de\u6e2c\u308b\uff1f<\/a>\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u5348\u5f8c\u3060\u3051\u8352\u308c\u308b<\/td>\n<td>\u96fb\u96e2\u570f\u306e\u64fe\u4e71\u3002\u30ab\u30bf\u30ed\u30b0\u5024\u306f\u9759\u7a4f\u6642\u306e\u6761\u4ef6\u3067\u3059<\/td>\n<\/tr>\n<tr>\n<td>Fix\u76f4\u5f8c\u3060\u3051\u5916\u308c\u308b<\/td>\n<td>\u521d\u671f\u5316\u304c\u6d45\u3044\u72b6\u614b\u306e\u89e3\u3002\u6570\u5341\u79d2\u301c\u6570\u5206\u306e\u5b89\u5b9a\u5f85\u3061\u304c\u8981\u308a\u307e\u3059<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u30ab\u30bf\u30ed\u30b0\u5024\u306f<strong>\u30aa\u30fc\u30d7\u30f3\u30b9\u30ab\u30a4\u30fb\u5341\u5206\u306a\u885b\u661f\u6570\u30fb\u5b89\u5b9a\u3057\u305fFix\u89e3<\/strong>\u3068\u3044\u3046\u826f\u6761\u4ef6\u3067\u306e\u6570\u5b57\u3067\u3059\u3002\u73fe\u5834\u6761\u4ef6\u304c\u305d\u3053\u304b\u3089\u96e2\u308c\u308b\u307b\u3069\u3001\u5b9f\u6e2c\u306e\u5e45\u306f\u4ed5\u69d8\u304b\u3089\u96e2\u308c\u307e\u3059\u3002<\/p>\n<hr \/>\n<h2 id=\"_3\">\u300c\u7cbe\u5ea6\u300d\u3068\u300c\u5408\u3063\u3066\u3044\u308b\u304b\u300d\u306f\u5225\u306e\u8a71<\/h2>\n<p>\u3053\u3053\u307e\u3067\u306e\u8a71\u306f\u3059\u3079\u3066<strong>\u3070\u3089\u3064\u304d\uff08\u7cbe\u5ea6\uff09<\/strong>\u3067\u3042\u3063\u3066\u3001<strong>\u504f\u308a\uff08\u78ba\u5ea6\uff09<\/strong>\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u57fa\u6e96\u5c40\u306e\u5ea7\u6a19\u304c10cm\u9593\u9055\u3063\u3066\u3044\u308c\u3070\u3001\u6e2c\u70b9\u306f\u304d\u308c\u3044\u306b\u63c3\u3063\u305f\u307e\u307e\u5168\u90e810cm\u305a\u308c\u307e\u3059\u3002\u3070\u3089\u3064\u304d\u304c\u5c0f\u3055\u3044\u3053\u3068\u306f\u3001\u6b63\u3057\u3044\u3053\u3068\u306e\u8a3c\u660e\u306b\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<ul>\n<li>\u3070\u3089\u3064\u304d\u304c\u5c0f\u3055\u3044 \uff1d \u4f55\u5ea6\u6e2c\u3063\u3066\u3082\u540c\u3058\u5024\u304c\u51fa\u308b<\/li>\n<li>\u504f\u308a\u304c\u7121\u3044 \uff1d \u305d\u306e\u5024\u304c\u771f\u306e\u4f4d\u7f6e\u3068\u5408\u3063\u3066\u3044\u308b<\/li>\n<\/ul>\n<p>\u504f\u308a\u3092\u898b\u3064\u3051\u3089\u308c\u308b\u306e\u306f\u65e2\u77e5\u70b9\u3068\u306e\u6bd4\u8f03\u3060\u3051\u3067\u3059\u3002\u4f5c\u696d\u524d\u306e\u78ba\u8a8d\u624b\u9806\u306f<a href=\"https:\/\/y42u.net\/tec001\/2026\/08\/10\/rtk-checkpoint-health-check-field\/\">\u65e2\u77e5\u70b9\u306b\u3088\u308b\u73fe\u5834\u30d8\u30eb\u30b9\u30c1\u30a7\u30c3\u30af<\/a>\u306b\u3001\u57fa\u6e96\u5c40\u306e\u5ea7\u6a19\u3092\u9593\u9055\u3048\u305f\u3068\u304d\u306e\u5f71\u97ff\u306f<a href=\"https:\/\/y42u.net\/tec001\/2026\/09\/17\/base-station-coordinate-error-propagation-field\/\">\u57fa\u6e96\u5c40\u306e\u5ea7\u6a19\u3092\u9593\u9055\u3048\u305f\u3089<\/a>\u306b\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\n<hr \/>\n<h2 id=\"_4\">\u8a31\u5bb9\u5dee\u3068\u7a81\u304d\u5408\u308f\u305b\u308b\u3068\u304d\u306e\u9806\u756a<\/h2>\n<ol>\n<li><strong>\u4f7f\u7528\u6a5f\u306e\u30ab\u30bf\u30ed\u30b0\u304b\u3089\u3001\u6c34\u5e73\u30fb\u5782\u76f4\u305d\u308c\u305e\u308c\u306e\u56fa\u5b9a\u90e8\u3068ppm\u3092\u8aad\u3080<\/strong>\uff08\u6c34\u5e73\u3060\u3051\u898b\u306a\u3044\uff09<\/li>\n<li><strong>\u5b9f\u969b\u306e\u57fa\u7dda\u9577\u3092\u5165\u308c\u3066\u5408\u8a08\u3092\u51fa\u3059<\/strong>\uff08\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u578bRTK\u306a\u3089\u5b9f\u8cea\u306e\u57fa\u7dda\u9577\u306f\u77ed\u304f\u4fdd\u305f\u308c\u307e\u3059\uff09<\/li>\n<li><strong>\u898f\u7a0b\u5074\u304c\u4f55%\u57fa\u6e96\u304b\u3092\u78ba\u8a8d\u3059\u308b<\/strong>\u300295%\u30fb2\u03c3\u306a\u3089\u30ab\u30bf\u30ed\u30b0\u306eRMS\u30922\u500d\u306b\u3057\u3066\u304b\u3089\u6bd4\u3079\u308b<\/li>\n<li><strong>\u73fe\u5834\u6761\u4ef6\u304c\u30ab\u30bf\u30ed\u30b0\u306e\u524d\u63d0\u304b\u3089\u5916\u308c\u3066\u3044\u306a\u3044\u304b<\/strong>\u3092\u898b\u308b\uff08\u4e0a\u7a7a\u8996\u754c\u30fb\u885b\u661f\u6570\u30fbFix\u306e\u5b89\u5b9a\uff09<\/li>\n<li><strong>\u65e2\u77e5\u70b9\u3067\u504f\u308a\u306e\u6709\u7121\u3092\u78ba\u8a8d\u3059\u308b<\/strong>\u3002\u3053\u3053\u307e\u3067\u63c3\u3063\u3066\u521d\u3081\u3066\u8a31\u5bb9\u5dee\u3068\u6bd4\u8f03\u3067\u304d\u308b<\/li>\n<\/ol>\n<p>\u516c\u5171\u6e2c\u91cf\u3067\u306f\u3001\u6e2c\u91cf\u306e\u7a2e\u5225\u3054\u3068\u306b\u4f7f\u7528\u6a5f\u306e\u6027\u80fd\u7b49\u7d1a\u3084\u8f03\u5dee\u306e\u8a31\u5bb9\u7bc4\u56f2\u304c\u5b9a\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u6570\u5024\u306f\u6e2c\u91cf\u306e\u533a\u5206\u30fb\u8981\u9818\u306b\u3088\u3063\u3066\u7570\u306a\u308b\u305f\u3081\u3001\u5b9f\u65bd\u3059\u308b\u6e2c\u91cf\u306b\u5bfe\u5fdc\u3057\u305f\u6700\u65b0\u306e\u4f5c\u696d\u898f\u7a0b\u30fb\u8981\u9818\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<hr \/>\n<h2 id=\"geodiveexa\">GeoDiveExa\u3067\u306e\u4f4d\u7f6e\u3065\u3051<\/h2>\n<p>GeoDiveExa \u306f\u30011\u70b9\u3092\u8907\u6570\u56de\u6e2c\u3063\u3066\u5e73\u5747\u3057\u5916\u308c\u5024\u3092\u9664\u304f\u624b\u9806\u3092\u5099\u3048\u3066\u3044\u307e\u3059\uff08<a href=\"https:\/\/y42u.net\/tec001\/2026\/07\/02\/rtk-multi-measurement-averaging-field\/\">\u8907\u6570\u56de\u6e2c\u5b9a\u306e\u5e73\u5747\uff0b\u5916\u308c\u5024\u9664\u53bb<\/a>\uff09\u3002\u3053\u308c\u306f<strong>\u3070\u3089\u3064\u304d\u3092\u5e73\u5747\u3067\u7e2e\u3081\u308b<\/strong>\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3067\u3042\u308a\u3001\u57fa\u6e96\u5c40\u306e\u5ea7\u6a19\u8aa4\u5dee\u306e\u3088\u3046\u306a\u504f\u308a\u306f\u5e73\u5747\u3067\u306f\u6d88\u3048\u307e\u305b\u3093\u3002\u30ab\u30bf\u30ed\u30b0\u5024\u306e\u8aad\u307f\u65b9\u3068\u65e2\u77e5\u70b9\u30c1\u30a7\u30c3\u30af\u306f\u3001\u3053\u306e\u5e73\u5747\u51e6\u7406\u3068\u306f\u5225\u306b\u5fc5\u8981\u306a\u5de5\u7a0b\u3067\u3059\u3002<\/p>\n<hr \/>\n<h2 id=\"_5\">\u307e\u3068\u3081<\/h2>\n<ul>\n<li>\u300c10mm\uff0b1ppm\u300d\u306f\u56fa\u5b9a\u90e8\u3068\u57fa\u7dda\u9577\u6bd4\u4f8b\u90e8\u306e\u8db3\u3057\u7b97\u30021ppm\uff1d1km\u3042\u305f\u308a1mm<\/li>\n<li>\u5782\u76f4\u306f\u6c34\u5e73\u306e\u304a\u3088\u305d1.5\u301c2\u500d\u3002\u30ab\u30bf\u30ed\u30b0\u306f\u884c\u304c\u5206\u304b\u308c\u3066\u3044\u308b<\/li>\n<li>RMS\u306f\u7d043\u5206\u306e2\u304c\u53ce\u307e\u308b\u7bc4\u56f2\u300295%\u3067\u8a9e\u308b\u306a\u3089\u304a\u304a\u3080\u306d2\u500d<\/li>\n<li>10km\u306e\u73fe\u5834\u3067\u306f\u3001\u6c34\u5e73\u306e95%\u306f\u7d044cm\u76f8\u5f53\u306b\u306a\u308b<\/li>\n<li>\u30ab\u30bf\u30ed\u30b0\u5024\u306f\u30aa\u30fc\u30d7\u30f3\u30b9\u30ab\u30a4\u524d\u63d0\u3002\u6761\u4ef6\u304c\u96e2\u308c\u308c\u3070\u5b9f\u6e2c\u306e\u5e45\u306f\u5e83\u304c\u308b<\/li>\n<li>\u3070\u3089\u3064\u304d\u304c\u5c0f\u3055\u304f\u3066\u3082\u5408\u3063\u3066\u3044\u308b\u3068\u306f\u9650\u3089\u306a\u3044\u3002\u504f\u308a\u306f\u65e2\u77e5\u70b9\u3067\u3057\u304b\u5206\u304b\u3089\u306a\u3044<\/li>\n<\/ul>\n<hr \/>\n<p><strong>\u51fa\u5178<\/strong><\/p>\n<ul>\n<li>\u56fd\u571f\u5730\u7406\u9662\u300c\u516c\u5171\u6e2c\u91cf\u306b\u304a\u3051\u308bGNSS\u6e2c\u91cf\u300d\u7b49\u306e\u4f5c\u696d\u898f\u7a0b\u30fb\u30de\u30cb\u30e5\u30a2\u30eb\u985e https:\/\/www.gsi.go.jp\/sokuchikijun\/<\/li>\n<li>\u56fd\u571f\u5730\u7406\u9662\u300c\u96fb\u5b50\u57fa\u6e96\u70b9\u30c7\u30fc\u30bf\u63d0\u4f9b\u30b5\u30fc\u30d3\u30b9\u300d https:\/\/www.gsi.go.jp\/sokuchikijun\/sokuchikijun40003.html<\/li>\n<\/ul>\n<p><strong>\u672c\u8a18\u4e8b\u3067\u8a08\u7b97\u3057\u305f\u5024<\/strong>\uff08\u3044\u305a\u308c\u3082\u672c\u6587\u306e\u5f0f\u3092\u305d\u306e\u307e\u307e\u8a08\u7b97\u3057\u305f\u3082\u306e\uff09<\/p>\n<table>\n<thead>\n<tr>\n<th>\u5024<\/th>\n<th>\u6839\u62e0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1ppm \uff1d 1km\u3042\u305f\u308a1mm<\/td>\n<td>1 km \u00d7 1\u00d710\u207b\u2076 \uff1d 0.001 m<\/td>\n<\/tr>\n<tr>\n<td>\u57fa\u7dda\u957710km\u3067\u6c34\u5e7320mm<\/td>\n<td>10 mm \uff0b 10 km \u00d7 1 ppm \uff1d 10 \uff0b 10 mm<\/td>\n<\/tr>\n<tr>\n<td>\u540c\u30fb95%\u3067\u7d0440mm<\/td>\n<td>RMS 20 mm \u00d7 2\uff082DRMS\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u57fa\u7dda\u957720km\u3067\u5782\u76f440mm<\/td>\n<td>20 mm \uff0b 20 km \u00d7 1 ppm \uff1d 20 \uff0b 20 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2 id=\"_6\">\u6b21\u306b\u78ba\u8a8d\u3059\u308b<\/h2>\n<ul>\n<li><a href=\"https:\/\/y42u.net\/tec001\/2026\/08\/07\/rtk-baseline-length-accuracy-field\/\">RTK\u57fa\u7dda\u9577\u3068\u6e2c\u4f4d\u7cbe\u5ea6\u306e\u95a2\u4fc2<\/a> \u2014 1ppm\u306e\u6b63\u4f53\uff08\u96fb\u96e2\u5c64\u30fb\u5bfe\u6d41\u570f\u306e\u6b8b\u5dee\uff09\u3068\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u578bRTK\u3067\u57fa\u7dda\u9577\u304c\u77ed\u304f\u4fdd\u305f\u308c\u308b\u7406\u5c48\u304c\u5206\u304b\u308a\u307e\u3059<\/li>\n<li><a href=\"https:\/\/y42u.net\/tec001\/2026\/08\/19\/multipath-rtk-fix-instability-field\/\">RTK\u306eFix\u304c\u5efa\u7269\u969b\u3067\u66b4\u308c\u308b\u306e\u306f\u306a\u305c\uff1f<\/a> \u2014 \u30ab\u30bf\u30ed\u30b0\u524d\u63d0\u304b\u3089\u5916\u308c\u308b\u4ee3\u8868\u4f8b\u3002\u30de\u30eb\u30c1\u30d1\u30b9\u306e\u898b\u5206\u3051\u65b9\u3068\u56de\u907f\u7b56\u3067\u3059<\/li>\n<li><a href=\"https:\/\/y42u.net\/tec001\/2026\/08\/10\/rtk-checkpoint-health-check-field\/\">RTK-GNSS\u306f\u672c\u5f53\u306b\u5408\u3063\u3066\u3044\u308b\u304b<\/a> \u2014 \u3070\u3089\u3064\u304d\u3067\u306f\u306a\u304f\u504f\u308a\u3092\u898b\u3064\u3051\u308b\u305f\u3081\u306e\u3001\u4f5c\u696d\u524d\u306e\u65e2\u77e5\u70b9\u30c1\u30a7\u30c3\u30af\u624b\u9806\u3067\u3059<\/li>\n<li><a href=\"https:\/\/gmp.y42u.net\/2026\/06\/26\/positioning-methods-accuracy-visual-learning\/\">\u5358\u72ec\u6e2c\u4f4d\u304b\u3089RTK\u30fbPPP\u307e\u3067 \u2014 \u6e2c\u4f4d\u65b9\u5f0f\u306e\u7cbe\u5ea6\uff08GeoPrism JP\uff09<\/a> \u2014 m\u7d1a\u304b\u3089cm\u7d1a\u307e\u3067\u306e\u6841\u306e\u9055\u3044\u3092\u3001\u56f3\u3067\u4e26\u3079\u3066\u78ba\u304b\u3081\u3089\u308c\u307e\u3059<\/li>\n<li>\u66f8\u7c4d\u3067\u307e\u3068\u3081\u3066\u5b66\u3076: <a href=\"https:\/\/www.amazon.co.jp\/dp\/B0HF4SJC1L\">\u300e\u65e5\u672c\u306e\u6e2c\u5730\u7cfbQ&amp;A\u300f\u7b2c11\u7ae0\u300ccm\u7d1a\u6e2c\u4f4d\u306e\u73fe\u5834\u300d<\/a>\uff08Kindle Unlimited\u5bfe\u5fdc\uff09<\/li>\n<\/ul>\n<hr \/>\n<blockquote><p>\n<strong>\u958b\u767a\u8005\u3088\u308a<\/strong>: \u30a2\u30d7\u30ea\u30fbKindle\u672c\u30fb\u516c\u958b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u4e00\u89a7\u306f <a href=\"https:\/\/github.com\/amru195704\">GitHub: amru195704<\/a> \u306b\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u3002\n<\/p><\/blockquote>\n<hr \/>\n<blockquote><p>\n<strong>\u304a\u9858\u3044<\/strong><br \/>\n\u672c\u8a18\u4e8b\u306e\u60c5\u5831\u306f\u53c2\u8003\u76ee\u7684\u3067\u63b2\u8f09\u3057\u3066\u304a\u308a\u3001\u6b63\u78ba\u6027\u30fb\u5b8c\u5168\u6027\u3092\u4fdd\u8a3c\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u8aa4\u8a18\u30fb\u4e0d\u6b63\u78ba\u306a\u60c5\u5831\u304c\u3054\u3056\u3044\u307e\u3057\u305f\u3089\u3001\u30b3\u30e1\u30f3\u30c8\u6b04\u3088\u308a\u3054\u6307\u6458\u3044\u305f\u3060\u3051\u308c\u3070\u3001\u78ba\u8a8d\u306e\u3046\u3048\u4fee\u6b63\u3044\u305f\u3057\u307e\u3059\u3002\n<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>RTK\u306e\u7cbe\u5ea6\u300c10mm\uff0b1ppm\u300d\u306f\u3069\u3046\u3044\u3046\u610f\u5473\uff1f \u2014 \u30ab\u30bf\u30ed\u30b0\u5024\u306e\u8aad\u307f\u65b9\u3068\u3001\u73fe\u5834\u306e\u3070\u3089\u3064\u304d\u304c\u500d\u306b\u898b\u3048\u308b\u7406\u7531 RTK\u53d7\u4fe1\u6a5f\u306e\u30ab\u30bf\u30ed\u30b0\u306b\u4e26\u3076\u300c\u6c34\u5e73 10mm\uff0b1ppm\u300d\u306f\u3001\u56fa\u5b9a\u306e\u8aa4\u5dee10mm\u306b\u3001\u57fa\u7dda\u95771km\u3042\u305f\u308a1mm\u3092\u8db3 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