{"id":6740,"date":"2023-12-14T19:47:35","date_gmt":"2023-12-14T19:47:35","guid":{"rendered":"https:\/\/www.calian.com\/advanced-technologies\/reseaux-de-reference-geodesique\/"},"modified":"2026-02-26T20:17:37","modified_gmt":"2026-02-26T20:17:37","slug":"geodetic-reference-networks","status":"publish","type":"page","link":"https:\/\/www.calian.com\/advanced-technologies\/fr\/gnss\/applications\/geodetic-reference-networks\/","title":{"rendered":"R\u00e9seaux de r\u00e9f\u00e9rence g\u00e9od\u00e9sique"},"content":{"rendered":"\n<div class=\"tbk-hydrate-component\" data-cid=\"cb0cd751-5b08-4b8c-bed1-337f71e740e2\" data-component=\"Hero\"><section class=\"calian-hero d-flex h-100 position-relative overflow-hidden nav-indent wp-block-calian-com-components-calian-hero media-position-split has-split-image pb-5 pb-lg-0 overlay-themed\"><div class=\"container\"><div class=\"row\"><div class=\"calian-hero__content d-flex col-lg flex-column pb-3 justify-content-center has-breadcrumbs text-left\"><div class=\"calian-hero__copy-wrapper\"><p class=\"h4 calian-hero__eyebrow text-white\">Quand la pr\u00e9cision compte.<\/p><h1 class=\"calian-hero__heading text-white\">R\u00e9seaux de r\u00e9f\u00e9rence g\u00e9od\u00e9sique<\/h1><div class=\"calian-hero__text text-white mt-2 mb-4\">Am\u00e9liorez vos projets g\u00e9od\u00e9siques avec nos antennes de pr\u00e9cision, con\u00e7ues pour une surveillance GNSS pr\u00e9cise et un support optimal des applications RTK\/PPP.<\/div><a href=\"#antennas\" class=\"btn btn-light mb-4 mt-3\">Explorer les antennes<\/a><\/div><div class=\"calian-hero__breadcrumbs mt-auto mb-0 pt-lg-4 pt-3 pb-lg-0 pb-md-3 pb-1\"><nav aria-label=\"breadcrumb\" class=\"breadcrumb-container\"><ol class=\"breadcrumb\"><li class=\"breadcrumb-item\"><a href=\"https:\/\/www.calian.com\" class=\"breadcrumb-item-link\">Accueil<\/a><\/li><li class=\"breadcrumb-item\"><a href=\"https:\/\/www.calian.com\/#\" class=\"breadcrumb-item-link\">Unit\u00e9 d&#8217;affaires<\/a><\/li><li class=\"breadcrumb-item\" aria-current=\"page\">Titre de la page<\/li><\/ol><\/nav><\/div><\/div><div class=\"calian-hero__media col-md w-100 h-100 pt-lg-5 mt-lg-3 media-style-split\"><div class=\"media-wrapper ps-lg-5 pb-3 pb-lg-0 ml-auto mr-0 w-100 h-100\"><div class=\"advanced-image w-100 h-100\"><img decoding=\"async\" src=\"https:\/\/sites.calian.com\/app\/uploads\/sites\/13\/2024\/01\/CORS_spicewood-1024x1024.jpg\" alt=\"\" width=\"1024\" height=\"1024\" class=\"calian-hero__image\" loading=\"lazy\"\/><\/div><\/div><\/div><\/div><\/div><div class=\"calian-hero__overlay overlay-themed position-absolute w-100 h-100 top-0 start-0 has-image\"><\/div><span><\/span><\/section><\/div>\n\n<div class=\"tbk-hydrate-component\" data-cid=\"dc6b7a05-661a-4d0e-9070-c6a9e83a1681\" data-component=\"Spacer\"><div class=\"calian-spacer calian-spacer--large wp-block-calian-com-components-calian-spacer\"><\/div><\/div>\n\n<div class=\"tbk-hydrate-component\" data-cid=\"430c4101-4b39-41cf-914c-53090faa276f\" data-component=\"CalianContainer\"><div class=\"calian-container wp-block-calian-com-components-calian-container\"><div>\n<h2 class=\"wp-block-heading\">Optimisation des antennes g\u00e9od\u00e9siques : \u00c9talonnage de pr\u00e9cision et minimisation des trajets multiples<\/h2>\n\n\n\n<p>Les antennes de qualit\u00e9 g\u00e9od\u00e9sique n\u00e9cessitent un \u00e9talonnage pr\u00e9cis, qui estime le d\u00e9calage du centre de phase \u00e0 diff\u00e9rentes fr\u00e9quences (GPS L1, L2 et L5 sont typiques). Outre le d\u00e9calage du centre de phase, la variation du centre de phase en fonction de l&#8217;angle d&#8217;azimut et d&#8217;\u00e9l\u00e9vation est \u00e9galement calibr\u00e9e, ce qui permet d&#8217;ajuster correctement les observations. En outre, pour minimiser les trajets multiples, les antennes en anneau peuvent \u00eatre une option n\u00e9cessaire.<\/p>\n<\/div><\/div><\/div>\n\n<div class=\"tbk-hydrate-component\" data-cid=\"be493ab2-643b-456e-890c-6a490b663299\" data-component=\"Spacer\"><div class=\"calian-spacer wp-block-calian-com-components-calian-spacer\"><\/div><\/div>\n\n<div class=\"tbk-hydrate-component\" data-cid=\"afc3ceaf-a30e-4482-b88c-70d678a254c8\" data-component=\"AlternatingTextAndImages\"><div class=\"calian-alternating-text-and-images overflow-hidden wp-block-calian-com-components-calian-alternating-text-and-images inverted\"><div class=\"calian-alternating-text-and-images__container container-fluid\"><div class=\"\"><div class=\"row gx-md-6 justify-content-lg-start justify-content-lg-start mb-3 mb-md-9\"><div class=\"col-12 col-md mb-3\"><img decoding=\"async\" src=\"https:\/\/sites.calian.com\/app\/uploads\/sites\/13\/2024\/01\/iStock-503401715-1024x683.jpeg\" alt=\"G&#xE9;om&#xE8;tre travaillant avec un appareil GPS\" width=\"1024\" height=\"683\" class=\"rounded-5 img-fluid w-100 h-250px h-md-373px object-fit-cover\" loading=\"lazy\"\/><\/div><div class=\"col-12 col-md\"><h3>Positionnement pr\u00e9cis : Am\u00e9lioration de la couverture et de la qualit\u00e9 du signal<\/h3><div class=\"calian-alternating-text-and-images__text mb-3\"><ul>\n  <li>Positionnement exact et pr\u00e9cis gr\u00e2ce \u00e0 la technologie d&#8217;antenne brevet\u00e9e de Calian<\/li>\n  <li>Couverture multi-constellations pour maximiser le nombre d&#8217;observations disponibles pour l&#8217;estimation de la position et du temps (GPS, QZSS, GLONASS, Galileo et BeiDou)<\/li>\n  <li>Prise en charge multi-signaux et multi-bandes<\/li>\n  <li>Att\u00e9nuation des trajets multiples et\/ou excellent rapport axial gr\u00e2ce \u00e0 l&#8217;option avec bague d&#8217;\u00e9tranglement<\/li>\n<\/ul><\/div><div class=\"calian-alternating-text-and-images__ctas mb-3 d-flex flex-wrap gap-3\"><\/div><\/div><\/div><div class=\"row gx-md-6 flex-row-reverse justify-content-lg-between justify-content-lg-start\"><div class=\"col-12 col-md mb-3\"><img decoding=\"async\" src=\"https:\/\/sites.calian.com\/app\/uploads\/sites\/13\/2024\/01\/iStock-503622005-1024x683.jpeg\" alt=\"G&#xE9;om&#xE8;tre travaillant avec un appareil GPS\" width=\"1024\" height=\"683\" class=\"rounded-5 img-fluid w-100 h-250px h-md-373px object-fit-cover\" loading=\"lazy\"\/><\/div><div class=\"col-12 col-md\"><h3>Caract\u00e9ristiques avanc\u00e9es de l&#8217;antenne : Calibrage, compatibilit\u00e9 et durabilit\u00e9<\/h3><div class=\"calian-alternating-text-and-images__text mb-3\"><ul>\n  <li>Pr\u00e9filtres optionnels pour am\u00e9liorer le rejet des signaux hors bande<\/li>\n  <li>Antennes calibr\u00e9es IGS et NGS<\/li>\n  <li>Large plage de tension pour une compatibilit\u00e9 \u00e9tendue avec les r\u00e9cepteurs<\/li>\n  <li>Diverses options de gain de l&#8217;amplificateur \u00e0 faible bruit (LNA) pour prendre en charge les longs c\u00e2bles d&#8217;antenne.<\/li>\n  <li>Forte immunit\u00e9 aux d\u00e9charges \u00e9lectrostatiques<\/li>\n  <li>Construction robuste<\/li>\n<\/ul><\/div><div class=\"calian-alternating-text-and-images__ctas mb-3 d-flex flex-wrap gap-3\"><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n\n<div class=\"tbk-hydrate-component\" data-cid=\"e57a16a9-5784-470a-be9b-952265d04d54\" data-component=\"Spacer\"><div class=\"calian-spacer calian-spacer--medium wp-block-calian-com-components-calian-spacer\"><\/div><\/div>\n\n<div class=\"tbk-hydrate-component\" data-cid=\"7429675b-d5f1-46ee-9866-e1e3ab09fa94\" data-component=\"CalianContainer\"><div class=\"calian-container wp-block-calian-com-components-calian-container\"><div>\n<h2 class=\"wp-block-heading\" id=\"antennas\">Antennes g\u00e9od\u00e9siques<\/h2>\n\n\n\n<div class=\"tbk-hydrate-component\" data-cid=\"bb2e1d89-97e5-4065-bd66-169c531cd631\" data-component=\"Spacer\"><div class=\"calian-spacer calian-spacer--small wp-block-calian-com-components-calian-spacer\"><\/div><\/div>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">C\u00e9libataire<\/th><th class=\"has-text-align-center\" data-align=\"center\">Double<\/th><th class=\"has-text-align-center\" data-align=\"center\">Triple<\/th><th class=\"has-text-align-center\" data-align=\"center\">Complet<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><td class=\"has-text-align-center\" data-align=\"center\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" class=\"wp-image-16588\" style=\"width: 150px\" src=\"https:\/\/sites.calian.com\/app\/uploads\/sites\/13\/2024\/10\/VP6050.png\" alt=\"Antenne GPS conique blanche avec une base noire, isol&#xE9;e sur un fond blanc.\"\/><br\/><a href=\"https:\/\/www.calian.com\/advanced-technologies\/gnss_product\/vp6350-veraphase-triple-band-gnss-antenna\/\">VP6350<\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" class=\"wp-image-16633\" style=\"width: 150px\" src=\"https:\/\/sites.calian.com\/app\/uploads\/sites\/13\/2024\/10\/VC6050.png\" alt=\"Un objet noir, rond et multicouche, dont le sommet est lisse et ressemble &#xE0; un d&#xF4;me, est pr&#xE9;sent&#xE9; sur un fond uni.\"\/><br\/><a href=\"https:\/\/www.calian.com\/advanced-technologies\/gnss_product\/vc6050-verachoke-full-gnss-antenna-with-l-band\/\">VC6050<\/a><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><td class=\"has-text-align-center\" data-align=\"center\"><br\/><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" class=\"wp-image-16573\" style=\"width: 150px\" src=\"https:\/\/sites.calian.com\/app\/uploads\/sites\/13\/2024\/10\/VSP6037L.png\" alt=\"Une antenne GPS en forme de d&#xF4;me noir et blanc avec un port de connexion sur le c&#xF4;t&#xE9;.\"\/><br\/><a href=\"https:\/\/www.calian.com\/advanced-technologies\/gnss_product\/vsp6337l-verostar-triple-band-gnss-precision-antenna-l-band\/\">VSP6337L<\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" class=\"wp-image-16588\" style=\"width: 150px\" src=\"https:\/\/sites.calian.com\/app\/uploads\/sites\/13\/2024\/10\/VP6050.png\" alt=\"Antenne GPS conique blanche avec une base noire, isol&#xE9;e sur un fond blanc.\"\/><br\/><a href=\"https:\/\/www.calian.com\/advanced-technologies\/gnss_product\/vp6050-veraphase-full-gnss-antenna-with-l-band\/\">VP6050<\/a><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><td class=\"has-text-align-center\" data-align=\"center\"><br\/><img loading=\"lazy\" decoding=\"async\" width=\"450\" height=\"450\" class=\"wp-image-16652\" style=\"width: 150px\" src=\"https:\/\/sites.calian.com\/app\/uploads\/sites\/13\/2024\/10\/TW3000-Plane.png\" alt=\"Un &#xE9;vent industriel noir en forme de c&#xF4;ne avec une base grise et un connecteur m&#xE9;tallique en dessous.\" srcset=\"https:\/\/sites.calian.com\/app\/uploads\/sites\/13\/2024\/10\/TW3000-Plane.png 450w, https:\/\/sites.calian.com\/app\/uploads\/sites\/13\/2024\/10\/TW3000-Plane-300x300.png 300w, https:\/\/sites.calian.com\/app\/uploads\/sites\/13\/2024\/10\/TW3000-Plane-150x150.png 150w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><br\/><a href=\"https:\/\/www.calian.com\/advanced-technologies\/gnss_product\/tw3972xf-extended-filter-triple-band-gnss-antenna-l-band\/\">TW3972XF<\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" class=\"wp-image-16573\" style=\"width: 150px\" src=\"https:\/\/sites.calian.com\/app\/uploads\/sites\/13\/2024\/10\/VSP6037L.png\" alt=\"Une antenne GPS en forme de d&#xF4;me noir et blanc avec un port de connexion sur le c&#xF4;t&#xE9;.\"\/><br\/><a href=\"https:\/\/www.calian.com\/advanced-technologies\/gnss_product\/vsp6037l-verostar-full-gnss-precision-antenna-l-band\/\">VSP6037L<\/a><br\/><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"tbk-hydrate-component\" data-cid=\"bb2e1d89-97e5-4065-bd66-169c531cd631\" data-component=\"Spacer\"><div class=\"calian-spacer calian-spacer--small wp-block-calian-com-components-calian-spacer\"><\/div><\/div>\n<\/div><\/div><\/div>\n\n<div class=\"tbk-hydrate-component\" data-cid=\"e7f9c0fb-8bb9-49a3-8ec8-b1faef7d882d\" data-component=\"Spacer\"><div class=\"calian-spacer wp-block-calian-com-components-calian-spacer\"><\/div><\/div>\n\n<div class=\"tbk-hydrate-component\" data-cid=\"87177b53-8f01-4903-911a-b7a9be27386e\" data-component=\"CTABar\"><div class=\"calian-cta-bar theme-dark wp-block-calian-com-components-calian-cta-bar\"><div class=\"calian-cta-bar__container container-fluid\"><div class=\"calian-cta-bar__horizontal container-fluid\"><div class=\"row\"><div class=\"calian-cta-bar__horizontal--left col-12 col-lg-3 col-xl-2\"><div class=\"calian-cta-bar__horizontal--logo\"><img decoding=\"async\" src=\"https:\/\/sites.calian.com\/app\/uploads\/sites\/13\/2026\/01\/2026-Logo-Calian-EN-RGB-DIGITAL-knock-out.svg\" alt=\"Logo Calian\" class=\"w-100 h-auto\" loading=\"lazy\"\/><\/div><\/div><div class=\"calian-cta-bar__horizontal--center col-12 col-lg-6 col-xl-7\"><div class=\"calian-cta-bar__horizontal--text\"><p>Vous commencez \u00e0 choisir votre antenne? Notre guide peut vous aider \u00e0 simplifier votre choix.<\/p><\/div><\/div><div class=\"calian-cta-bar__horizontal--right col-12 col-lg-3 col-xl-3\"><div class=\"calian-cta-bar__horizontal--button\"><a href=\"https:\/\/www.calian.com\/advanced-technologies\/fr\/gnss\/support-dinformation\/guide-de-selection-des-antennes\/\" class=\"btn\">Guide de s\u00e9lection des antennes<\/a><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n\n<div class=\"tbk-hydrate-component\" data-cid=\"dc6b7a05-661a-4d0e-9070-c6a9e83a1681\" data-component=\"Spacer\"><div class=\"calian-spacer calian-spacer--large wp-block-calian-com-components-calian-spacer\"><\/div><\/div>\n<!-- wp:block null -->\n<div class=\"wp-block-group\">\n<div class=\"tbk-hydrate-component\" data-cid=\"e57a16a9-5784-470a-be9b-952265d04d54\" data-component=\"Spacer\"><div class=\"calian-spacer calian-spacer--medium wp-block-calian-com-components-calian-spacer\"><\/div><\/div>\n<\/div>\n<!-- \/wp:block -->","protected":false},"excerpt":{"rendered":"<p class=\"h4 calian-hero__eyebrow text-white\"> Quand la pr\u00e9cision compte. <\/p>\n<p> R\u00e9seaux de r\u00e9f\u00e9rence g\u00e9od\u00e9sique Am\u00e9liorez vos projets g\u00e9od\u00e9siques avec nos antennes de pr\u00e9cision, con\u00e7ues pour une surveillance GNSS pr\u00e9cise et un support optimal des applications RTK\/PPP. <a href=\"#antennas\" class=\"btn btn-light mb-4 mt-3\"> Explorer les antennes <\/a> <\/p>\n<li class=\"breadcrumb-item\"> <a href=\"https:\/\/www.calian.com\" class=\"breadcrumb-item-link\"> Accueil <\/a> <\/li>\n<li class=\"breadcrumb-item\"> <a href=\"https:\/\/www.calian.com\/#\" class=\"breadcrumb-item-link\"> Unit\u00e9 d&#8217;affaires &hellip;<\/a><\/li>\n","protected":false},"author":1,"featured_media":0,"parent":7981,"menu_order":132,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"solution":[],"industry":[],"type_classification":[],"class_list":["post-6740","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>R\u00e9seaux de r\u00e9f\u00e9rence g\u00e9od\u00e9sique - Space | Calian<\/title>\n<meta name=\"description\" content=\"Optimisez vos projets g\u00e9od\u00e9siques gr\u00e2ce aux antennes GNSS de pr\u00e9cision Calian. Un support RTK\/PPP pr\u00e9cis et des conceptions robustes pour les environnements difficiles.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.calian.com\/advanced-technologies\/fr\/gnss\/applications\/geodetic-reference-networks\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R\u00e9seaux de r\u00e9f\u00e9rence g\u00e9od\u00e9sique - Space | Calian\" \/>\n<meta property=\"og:description\" content=\"Optimisez vos projets g\u00e9od\u00e9siques gr\u00e2ce aux antennes GNSS de pr\u00e9cision Calian. 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