{"id":19828,"date":"2026-07-13T00:16:46","date_gmt":"2026-07-13T08:16:46","guid":{"rendered":"https:\/\/toknavgnss.com\/gnss-antenna-selection-guide\/"},"modified":"2026-07-13T23:38:07","modified_gmt":"2026-07-14T07:38:07","slug":"gnss-antenna-selection-guide","status":"publish","type":"post","link":"https:\/\/toknavgnss.com\/ar\/gnss-antenna-selection-guide\/","title":{"rendered":"GNSS Antenna Selection Guide for RTK, CORS and Monitoring"},"content":{"rendered":"<style class=\"toknav-centered-guide-style\">\n.toknav-centered-guide{--toknav-brand:#1e22aa;--toknav-text:#4b4f58;--toknav-soft:#f5f5f5;--toknav-line:#e7e7e7;max-width:1120px;margin:56px auto 84px;padding:0 22px;color:var(--toknav-text);font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.72;text-align:center}\n.toknav-centered-guide *{box-sizing:border-box}\n.toknav-centered-guide 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.toknav-content-link-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:14px 0 28px;padding:0;list-style:none}\n.toknav-centered-guide .toknav-content-link-list a{display:flex;height:100%;align-items:center;justify-content:center;padding:12px 14px;border:1px solid rgba(30,34,170,.25);border-radius:8px;background:#fff;color:var(--toknav-brand);text-decoration:none;font-weight:700;line-height:1.35;text-align:center}\n.toknav-centered-guide .toknav-content-cta{margin:44px auto 0;padding:28px;border-radius:8px;background:var(--toknav-brand);color:#fff;text-align:center}\n.toknav-centered-guide .toknav-content-cta h2,.toknav-centered-guide .toknav-content-cta p{color:#fff}\n@media(max-width:900px){.toknav-centered-guide .toknav-content-hero,.toknav-centered-guide .toknav-content-card-grid,.toknav-centered-guide .toknav-content-card-grid.three,.toknav-centered-guide .toknav-content-image-row,.toknav-centered-guide .toknav-content-link-list{grid-template-columns:1fr}.toknav-centered-guide .toknav-content-hero{padding:24px}}\n@media(max-width:560px){.toknav-centered-guide{margin-top:34px;padding:0 16px}.toknav-centered-guide .toknav-content-button{width:100%!important}.toknav-centered-guide table{min-width:640px}}\n<\/style>\n<article class=\"toknav-blog-post toknav-centered-guide\">\n<section class=\"toknav-content-hero\">\n<div class=\"toknav-content-hero-text\">\n<p class=\"toknav-content-kicker\">Antenna Selection<\/p>\n<h1>GNSS Antenna Selection Guide for RTK, CORS and Monitoring<\/h1>\n<p class=\"toknav-content-lead\">\n        The GNSS antenna is a critical part of RTK rover, base station, CORS, VRS and deformation monitoring projects. Use this guide to compare signal support, installation environment, multipath risk, mounting, cable length and receiver compatibility.\n      <\/p>\n<div class=\"toknav-content-actions\">\n        <a class=\"toknav-content-button\" href=\"https:\/\/toknavgnss.com\/en\/contact-us\/\">Request antenna support<\/a><br \/>\n        <a class=\"toknav-content-button toknav-content-button-secondary\" href=\"https:\/\/toknavgnss.com\/en\/gnss-antenna\/\">View GNSS antennas<\/a>\n      <\/div>\n<\/p><\/div>\n<figure class=\"toknav-content-hero-media\">\n      <img src=\"https:\/\/toknavgnss.com\/wp-content\/uploads\/2026\/03\/TCA920.png\" alt=\"TOKNAV TCA920 GNSS antenna for reference station and CORS projects\" loading=\"eager\" decoding=\"async\"><br \/>\n    <\/figure>\n<\/section>\n<p><strong>Author:<\/strong> TOKNAV GNSS Solution Team<\/p>\n<p><strong>Reviewed by:<\/strong> TOKNAV Product and Field Application Team<\/p>\n<p><strong>Last Updated:<\/strong> July 2026<\/p>\n<section class=\"toknav-lead-magnet\" data-resource=\"gnss-antenna\">\n<h2>Download the GNSS Antenna PDF Checklist<\/h2>\n<p>\n      Get a printable antenna selection checklist for receiver compatibility, signal support, mounting, multipath risk, cable planning and fixed-station installation.\n    <\/p>\n<form class=\"toknav-lead-magnet__form\">\n      <input type=\"hidden\" name=\"resource\" value=\"gnss-antenna\"><\/p>\n<div class=\"toknav-lead-magnet__grid\">\n        <label>Name<input type=\"text\" name=\"name\" autocomplete=\"name\" required><\/label><br \/>\n        <label>Company<input type=\"text\" name=\"company\" autocomplete=\"organization\"><\/label><br \/>\n        <label>Email<input type=\"email\" name=\"email\" autocomplete=\"email\" required><\/label><br \/>\n        <label>Country<input type=\"text\" name=\"country\" autocomplete=\"country-name\"><\/label>\n      <\/div>\n<p>      <label class=\"toknav-lead-magnet__wide\">Project note<textarea name=\"message\" rows=\"3\" placeholder=\"Receiver model, installation environment, cable length, project type\"><\/textarea><\/label><br \/>\n      <label class=\"toknav-lead-magnet__hp\">Website<input type=\"text\" name=\"website\" autocomplete=\"off\" tabindex=\"-1\"><\/label><br \/>\n      <button type=\"submit\" class=\"toknav-content-button\">Send me the PDF checklist<\/button><\/p>\n<p class=\"toknav-lead-magnet__privacy\">By submitting, you agree that TOKNAV can contact you about this resource and related project support.<\/p>\n<p class=\"toknav-lead-magnet__status\" aria-live=\"polite\">\n<\/p><\/form>\n<\/section>\n<p>\n    A receiver can only work with the signal quality it receives. In open field RTK, the antenna choice affects setup stability and repeatability. In CORS, VRS and deformation monitoring projects, antenna installation can affect long-term data quality, multipath behavior and maintenance risk.\n  <\/p>\n<p>\n    This guide helps buyers compare antennas for projects using <a href=\"https:\/\/toknavgnss.com\/en\/gnss-receiver\/\">TOKNAV GNSS receivers<\/a>, CORS receivers such as <a href=\"https:\/\/toknavgnss.com\/en\/gnss-receiver\/toknav-net660i-gnss-receiver\/\">NET660i<\/a>, base station workflows and reference station antennas such as <a href=\"https:\/\/toknavgnss.com\/en\/gnss-antenna\/toknav-antenna-tca920\/\">TCA920<\/a>.\n  <\/p>\n<h2>1. Match the Antenna to the Application<\/h2>\n<div class=\"toknav-content-table-wrap\">\n<table>\n<tbody>\n<tr>\n<th>Application<\/th>\n<th>Antenna priority<\/th>\n<th>Related page<\/th>\n<\/tr>\n<tr>\n<td>RTK rover surveying<\/td>\n<td>Portable installation, stable signal reception, compatibility with receiver workflow.<\/td>\n<td><a href=\"https:\/\/toknavgnss.com\/en\/gnss-receiver\/\">GNSS Receiver<\/a><\/td>\n<\/tr>\n<tr>\n<td>Local RTK base station<\/td>\n<td>Clear sky view, stable mount, cable plan and signal reliability for the project area.<\/td>\n<td><a href=\"https:\/\/toknavgnss.com\/en\/vrs-vs-rtk-base-station\/\">VRS vs RTK Base Station<\/a><\/td>\n<\/tr>\n<tr>\n<td>CORS or VRS station<\/td>\n<td>Permanent mounting, multipath suppression, weather exposure, grounding and maintenance access.<\/td>\n<td><a href=\"https:\/\/toknavgnss.com\/en\/cors-station-setup-checklist\/\">CORS Station Checklist<\/a><\/td>\n<\/tr>\n<tr>\n<td>Deformation monitoring<\/td>\n<td>Stable installation, repeatable signal environment, protected cable routing and reliable data continuity.<\/td>\n<td><a href=\"https:\/\/toknavgnss.com\/en\/gnss-deformation-monitoring-guide\/\">Monitoring Guide<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<h2>2. Check Signal, Mounting and Multipath Conditions<\/h2>\n<div class=\"toknav-content-card-grid three\">\n<div class=\"toknav-content-card\">\n<h3>Signal requirements<\/h3>\n<ul>\n<li>Confirm receiver model and supported constellations\/frequencies.<\/li>\n<li>Confirm whether the project needs RTK, CORS, VRS, monitoring or mixed use.<\/li>\n<li>Check whether future receiver upgrades should be supported.<\/li>\n<\/ul><\/div>\n<div class=\"toknav-content-card\">\n<h3>Installation environment<\/h3>\n<ul>\n<li>Open sky visibility and possible obstructions.<\/li>\n<li>Nearby metal, walls, water, machinery or reflective surfaces.<\/li>\n<li>Wind, rain, dust, cable exposure and maintenance access.<\/li>\n<\/ul><\/div>\n<div class=\"toknav-content-card\">\n<h3>Cable and accessory plan<\/h3>\n<ul>\n<li>Cable length, connector type and protection method.<\/li>\n<li>Mounting pole, monument, enclosure and grounding.<\/li>\n<li>Lightning protection and service replacement plan.<\/li>\n<\/ul><\/div>\n<\/p><\/div>\n<h2>3. When to Consider a Choke Ring Antenna<\/h2>\n<p>\n    Choke ring antennas are commonly considered for fixed reference station, CORS, VRS and high-precision monitoring projects because they are designed to help reduce multipath effects in demanding installation environments.\n  <\/p>\n<p>\n    Consider a choke ring antenna such as <a href=\"https:\/\/toknavgnss.com\/en\/gnss-antenna\/toknav-antenna-tca920\/\">TCA920<\/a> when the project involves a permanent or semi-permanent station, high-value correction data, long-term observation, or an environment where reflected signals may affect data quality.\n  <\/p>\n<figure class=\"toknav-content-feature-image\">\n    <img src=\"https:\/\/toknavgnss.com\/wp-content\/uploads\/2026\/03\/TCA920_%E6%AD%A3%E9%9D%A2.png\" alt=\"TOKNAV TCA920 choke ring GNSS antenna front view for CORS and monitoring projects\" loading=\"lazy\" decoding=\"async\"><figcaption>TCA920 is a relevant option for fixed reference station, CORS, VRS and monitoring projects where multipath control and stable signal reception are important.<\/figcaption><\/figure>\n<h2>4. Information to Send for Antenna Recommendation<\/h2>\n<ul>\n<li>Receiver model and project type.<\/li>\n<li>Country, installation environment and site photos.<\/li>\n<li>Mounting method, cable length and enclosure requirements.<\/li>\n<li>Required signals, data workflow and accuracy target.<\/li>\n<li>Whether the antenna is for rover, base station, CORS, VRS or monitoring use.<\/li>\n<\/ul>\n<h2>Internal Planning Links<\/h2>\n<ul class=\"toknav-content-link-list\">\n<li><a href=\"https:\/\/toknavgnss.com\/en\/resources\/\">Download antenna PDFs<\/a><\/li>\n<li><a href=\"https:\/\/toknavgnss.com\/en\/case-studies\/\">View GNSS case studies<\/a><\/li>\n<li><a href=\"https:\/\/toknavgnss.com\/en\/vrs-solution\/\">Plan VRS infrastructure<\/a><\/li>\n<li><a href=\"https:\/\/toknavgnss.com\/en\/contact-us\/\">Ask TOKNAV for antenna selection<\/a><\/li>\n<\/ul>\n<h2>FAQ: GNSS Antenna Selection<\/h2>\n<div class=\"toknav-content-card-grid\">\n<div class=\"toknav-content-card\">\n<h3>Is the antenna as important as the GNSS receiver?<\/h3>\n<p>Yes. The antenna affects the signal quality received by the system, especially in reference station, CORS, VRS and monitoring projects where long-term stability matters.<\/p>\n<\/p><\/div>\n<div class=\"toknav-content-card\">\n<h3>When should I use TCA920?<\/h3>\n<p>TCA920 is a relevant option to evaluate for reference station, CORS, VRS and monitoring installations where multipath suppression and stable receiving performance are important.<\/p>\n<\/p><\/div>\n<div class=\"toknav-content-card\">\n<h3>What information is needed to recommend an antenna?<\/h3>\n<p>Send the receiver model, project type, installation photos, mounting method, cable length, required signals and accuracy target.<\/p>\n<\/p><\/div>\n<div class=\"toknav-content-card\">\n<h3>Can one antenna fit all projects?<\/h3>\n<p>No. Rover, base station, CORS and monitoring projects have different installation and signal requirements. The antenna should match the workflow and environment.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<section class=\"toknav-content-cta\">\n<h2>Request GNSS Antenna Selection Support<\/h2>\n<p>\n      Send your receiver model, project type, site photos, cable plan and required signals. TOKNAV can help compare antenna and accessory options for your GNSS workflow.\n    <\/p>\n<div class=\"toknav-content-actions\">\n      <a class=\"toknav-content-button toknav-content-button-secondary\" href=\"https:\/\/toknavgnss.com\/en\/contact-us\/\">Contact TOKNAV<\/a><br \/>\n      <a class=\"toknav-content-button toknav-content-button-secondary\" href=\"https:\/\/toknavgnss.com\/en\/gnss-antenna\/toknav-antenna-tca920\/\">View TCA920<\/a>\n    <\/div>\n<\/section>\n<\/article>\n<p><script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is the antenna as important as the GNSS receiver?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. 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The antenna should match the workflow and environment.\"\n      }\n    }\n  ]\n}\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Antenna Selection GNSS Antenna Selection Guide for RTK, CORS and Monitoring The GNSS antenna is a critical part of RTK rover, base station, CORS, VRS and deformation monitoring projects. Use this guide to compare signal support, installation environment, multipath risk, mounting, cable length and receiver compatibility. Request antenna support View GNSS antennas Author: TOKNAV GNSS Solution Team Reviewed by: TOKNAV Product and Field Application Team Last Updated: July 2026 Download the GNSS Antenna PDF Checklist Get a printable antenna selection checklist for receiver compatibility, signal support, mounting, multipath risk, cable planning and fixed-station installation. Name Company Email Country Project note Website Send me the PDF checklist By submitting, you agree that TOKNAV can contact you about this resource and related project support. A receiver can only work with the signal quality it receives. In open field RTK, the antenna choice affects setup stability and repeatability. In CORS, VRS and deformation monitoring projects, antenna installation can affect long-term data quality, multipath behavior and maintenance risk. This guide helps buyers compare antennas for projects using TOKNAV GNSS receivers, CORS receivers such as NET660i, base station workflows and reference station antennas such as TCA920. 1. Match the Antenna to the Application Application Antenna priority Related page RTK rover surveying Portable installation, stable signal reception, compatibility with receiver workflow. GNSS Receiver Local RTK base station Clear sky view, stable mount, cable plan and signal reliability for the project area. VRS vs RTK Base Station CORS or VRS station Permanent mounting, multipath suppression, weather exposure, grounding and maintenance access. CORS Station Checklist Deformation monitoring Stable installation, repeatable signal environment, protected cable routing and reliable data continuity. Monitoring Guide 2. Check Signal, Mounting and Multipath Conditions Signal requirements Confirm receiver model and supported constellations\/frequencies. Confirm whether the project needs RTK, CORS, VRS, monitoring or mixed use. Check whether future receiver upgrades should be supported. Installation environment Open sky visibility and possible obstructions. Nearby metal, walls, water, machinery or reflective surfaces. Wind, rain, dust, cable exposure and maintenance access. Cable and accessory plan Cable length, connector type and protection method. Mounting pole, monument, enclosure and grounding. Lightning protection and service replacement plan. 3. When to Consider a Choke Ring Antenna Choke ring antennas are commonly considered for fixed reference station, CORS, VRS and high-precision monitoring projects because they are designed to help reduce multipath effects in demanding installation environments. Consider a choke ring antenna such as TCA920 when the project involves a permanent or semi-permanent station, high-value correction data, long-term observation, or an environment where reflected signals may affect data quality. TCA920 is a relevant option for fixed reference station, CORS, VRS and monitoring projects where multipath control and stable signal reception are important. 4. Information to Send for Antenna Recommendation Receiver model and project type. Country, installation environment and site photos. Mounting method, cable length and enclosure requirements. Required signals, data workflow and accuracy target. Whether the antenna is for rover, base station, CORS, VRS or monitoring use. Internal Planning Links Download antenna PDFs View GNSS case studies Plan VRS infrastructure Ask TOKNAV for antenna selection FAQ: GNSS Antenna Selection Is the antenna as important as the GNSS receiver? Yes. The antenna affects the signal quality received by the system, especially in reference station, CORS, VRS and monitoring projects where long-term stability matters. When should I use TCA920? TCA920 is a relevant option to evaluate for reference station, CORS, VRS and monitoring installations where multipath suppression and stable receiving performance are important. What information is needed to recommend an antenna? Send the receiver model, project type, installation photos, mounting method, cable length, required signals and accuracy target. Can one antenna fit all projects? No. Rover, base station, CORS and monitoring projects have different installation and signal requirements. The antenna should match the workflow and environment. Request GNSS Antenna Selection Support Send your receiver model, project type, site photos, cable plan and required signals. TOKNAV can help compare antenna and accessory options for your GNSS workflow. Contact TOKNAV View TCA920<\/p>","protected":false},"author":1,"featured_media":16153,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[53],"tags":[],"class_list":["post-19828","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"uagb_featured_image_src":{"full":["https:\/\/toknavgnss.com\/wp-content\/uploads\/2026\/03\/TCA920.png",958,958,false],"thumbnail":["https:\/\/toknavgnss.com\/wp-content\/uploads\/2026\/03\/TCA920-150x150.png",150,150,true],"medium":["https:\/\/toknavgnss.com\/wp-content\/uploads\/2026\/03\/TCA920-300x300.png",300,300,true],"medium_large":["https:\/\/toknavgnss.com\/wp-content\/uploads\/2026\/03\/TCA920-768x768.png",768,768,true],"large":["https:\/\/toknavgnss.com\/wp-content\/uploads\/2026\/03\/TCA920.png",958,958,false],"1536x1536":["https:\/\/toknavgnss.com\/wp-content\/uploads\/2026\/03\/TCA920.png",958,958,false],"2048x2048":["https:\/\/toknavgnss.com\/wp-content\/uploads\/2026\/03\/TCA920.png",958,958,false],"trp-custom-language-flag":["https:\/\/toknavgnss.com\/wp-content\/uploads\/2026\/03\/TCA920-12x12.png",12,12,true]},"uagb_author_info":{"display_name":"jeffreyrtk@gmail.com","author_link":"https:\/\/toknavgnss.com\/ar\/author\/jeffreyrtkgmail-com\/"},"uagb_comment_info":0,"uagb_excerpt":"Antenna Selection GNSS Antenna Selection Guide for RTK, CORS and Monitoring The GNSS antenna is a critical part of RTK rover, base station, CORS, VRS and deformation monitoring projects. Use this guide to compare signal support, installation environment, multipath risk, mounting, cable length and receiver compatibility. 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