{"id":1030,"date":"2022-04-01T10:01:38","date_gmt":"2022-04-01T07:01:38","guid":{"rendered":"https:\/\/geonetgnss.geosenseapps.com\/?page_id=1030"},"modified":"2025-11-18T13:59:20","modified_gmt":"2025-11-18T10:59:20","slug":"material","status":"publish","type":"page","link":"https:\/\/geonetgnss.geosenseapps.com\/index.php\/material\/","title":{"rendered":"\u03a5\u03bb\u03b9\u03ba\u03cc"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"1030\" class=\"elementor elementor-1030\">\n\t\t\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3e066b84 elementor-section-height-min-height elementor-section-full_width elementor-section-height-default elementor-section-items-middle\" data-id=\"3e066b84\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5eb7cdb5\" data-id=\"5eb7cdb5\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e46bddc elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e46bddc\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-13e0740\" data-id=\"13e0740\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-5227194\" data-id=\"5227194\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b621515 elementor-widget elementor-widget-heading\" data-id=\"b621515\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.6.1 - 23-03-2022 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h1 class=\"elementor-heading-title elementor-size-large\">\u0394\u03b7\u03bc\u03bf\u03c3\u03b9\u03b5\u03cd\u03c3\u03b5\u03b9\u03c2<\/h1>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-a71c857\" data-id=\"a71c857\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ffd49aa elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ffd49aa\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-1bdbdc7\" data-id=\"1bdbdc7\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-a27ef68\" data-id=\"a27ef68\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-93e2092 elementor-widget elementor-widget-accordion\" data-id=\"93e2092\" data-element_type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.6.1 - 23-03-2022 *\/\n.elementor-accordion{text-align:left}.elementor-accordion .elementor-accordion-item{border:1px solid #d4d4d4}.elementor-accordion .elementor-accordion-item+.elementor-accordion-item{border-top:none}.elementor-accordion .elementor-tab-title{margin:0;padding:15px 20px;font-weight:700;line-height:1;cursor:pointer;outline:none}.elementor-accordion .elementor-tab-title .elementor-accordion-icon{display:inline-block;width:1.5em}.elementor-accordion .elementor-tab-title .elementor-accordion-icon svg{width:1em;height:1em}.elementor-accordion .elementor-tab-title .elementor-accordion-icon.elementor-accordion-icon-right{float:right;text-align:right}.elementor-accordion .elementor-tab-title .elementor-accordion-icon.elementor-accordion-icon-left{float:left;text-align:left}.elementor-accordion .elementor-tab-title .elementor-accordion-icon .elementor-accordion-icon-closed{display:block}.elementor-accordion .elementor-tab-title .elementor-accordion-icon .elementor-accordion-icon-opened,.elementor-accordion .elementor-tab-title.elementor-active .elementor-accordion-icon-closed{display:none}.elementor-accordion .elementor-tab-title.elementor-active .elementor-accordion-icon-opened{display:block}.elementor-accordion .elementor-tab-content{display:none;padding:15px 20px;border-top:1px solid #d4d4d4}@media (max-width:767px){.elementor-accordion .elementor-tab-title{padding:12px 15px}.elementor-accordion .elementor-tab-title .elementor-accordion-icon{width:1.2em}.elementor-accordion .elementor-tab-content{padding:7px 15px}}<\/style>\t\t<div class=\"elementor-accordion\" role=\"tablist\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1551\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"tab\" aria-controls=\"elementor-tab-content-1551\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" href=\"\">Gravity and GNSS\/Leveling data collection towards developing a regional geoid model in support of the newly established GeoNetGNSS CORS network<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1551\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-1551\"><p>\u03a0\u03b1\u03c1\u03bf\u03c5\u03c3\u03af\u03b1\u03c3\u03b7 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1\u03c2 \u03c3\u03c4\u03bf \u03c0\u03b1\u03b3\u03ba\u03cc\u03c3\u03bc\u03b9\u03bf \u03c3\u03c5\u03bd\u03ad\u03b4\u03c1\u03b9\u03bf \u03c4\u03b7\u03c2 \u0394\u03b9\u03b5\u03b8\u03bd\u03bf\u03cd\u03c2 \u0388\u03bd\u03c9\u03c3\u03b7\u03c2 \u0393\u03b5\u03c9\u03b4\u03b1\u03b9\u03c3\u03af\u03b1\u03c2 (International Association of Geodesy \u2013 IAG) \u201cGravity, Geoid and Height Systems 2022 Symposium\u201d \u03c0\u03bf\u03c5 \u03b4\u03b9\u03b5\u03be\u03ae\u03c7\u03b8\u03b7 \u03c3\u03c4\u03b9\u03c2 12-14 \u03a3\u03b5\u03c0\u03c4\u03b5\u03bc\u03b2\u03c1\u03af\u03bf\u03c5 2022 \u03c3\u03c4\u03bf Austin \u03c4\u03c9\u03bd \u0397\u03a0\u0391.<\/p><p>\u03a3\u03c5\u03b3\u03b3\u03c1\u03b1\u03c6\u03b5\u03af\u03c2: D.A. Natsiopoulos<sup>1<\/sup>, E.G. Mamagiannou<sup>1<\/sup>, E.A. Tzanou<sup>3<\/sup>, A. Triantafyllou<sup>1<\/sup>, G.S. Vergos<sup>1<\/sup>, I.N. Tziavos<sup>1<\/sup>, D. Ramnalis<sup>2<\/sup>, V. Polychronos<sup>2<\/sup><\/p><p><sup>1 <\/sup>\u0395\u03c1\u03b3\u03b1\u03c3\u03c4\u03ae\u03c1\u03b9\u03bf \u039c\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2 \u03ba\u03b1\u03b9 \u0395\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ce\u03bd \u03c4\u03bf\u03c5 \u03a0\u03b5\u03b4\u03af\u03bf\u03c5 \u0392\u03b1\u03c1\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03a4\u03bc\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u0391\u03b3\u03c1\u03bf\u03bd\u03cc\u03bc\u03c9\u03bd \u03ba\u03b1\u03b9 \u03a4\u03bf\u03c0\u03bf\u03b3\u03c1\u03ac\u03c6\u03c9\u03bd \u039c\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ce\u03bd.<\/p><p><sup>2 <\/sup>Geosense,\u0399\u039a\u0395<\/p><p><sup>3 <\/sup>\u03a4\u03bc\u03ae\u03bc\u03b1 \u039c\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ce\u03bd \u03a4\u03bf\u03c0\u03bf\u03b3\u03c1\u03b1\u03c6\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u0393\u03b5\u03c9\u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03b9\u03ba\u03ae\u03c2\u00a0 \u03c4\u03b7\u03c2 \u03a3\u03c7\u03bf\u03bb\u03ae\u03c2 \u039c\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ce\u03bd \u03c4\u03bf\u03c5 \u0394\u03b9\u03b5\u03b8\u03bd\u03bf\u03cd\u03c2 \u03a0\u03b1\u03bd\u03b5\u03c0\u03b9\u03c3\u03c4\u03b7\u03bc\u03af\u03bf\u03c5 \u03c4\u03b7\u03c2 \u0395\u03bb\u03bb\u03ac\u03b4\u03bf\u03c2<\/p><div>\u00a0<\/div><div><a href=\"https:\/\/geonetgnss.geosenseapps.com\/wp-content\/uploads\/2022\/10\/gghs_2022.pdf\" target=\"_blank\" rel=\"noopener\">\u03a0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b1&#8230;<\/a><\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1552\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"tab\" aria-controls=\"elementor-tab-content-1552\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" href=\"\">GeoNetGNSS, a newly established CORS network in Northern Greece in support of high-accuracy positioning applications<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1552\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-1552\"><ol><li>\u03a0\u03b1\u03c1\u03bf\u03c5\u03c3\u03af\u03b1\u03c3\u03b7 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1\u03c2 \u03c3\u03c4\u03bf \u03c0\u03b1\u03b3\u03ba\u03cc\u03c3\u03bc\u03b9\u03bf \u03c3\u03c5\u03bd\u03ad\u03b4\u03c1\u03b9\u03bf \u03c4\u03b7\u03c2 \u0394\u03b9\u03b5\u03b8\u03bd\u03bf\u03cd\u03c2 \u0388\u03bd\u03c9\u03c3\u03b7\u03c2 \u0393\u03b5\u03c9\u03b4\u03b1\u03b9\u03c3\u03af\u03b1\u03c2 (International Association of Geodesy \u2013 IAG) \u201cInternational Symposium on Reference Frames for Applications in Geosciences (REFAG 2022)\u201d \u03c0\u03bf\u03c5 \u03b4\u03b9\u03b5\u03be\u03ae\u03c7\u03b8\u03b7 \u03c3\u03c4\u03b9\u03c2 17-20 \u039f\u03ba\u03c4\u03c9\u03b2\u03c1\u03af\u03bf\u03c5 2022 \u03c3\u03c4\u03b7 \u0398\u03b5\u03c3\u03c3\u03b1\u03bb\u03bf\u03bd\u03af\u03ba\u03b7.<\/li><\/ol><p>\u03a3\u03c5\u03b3\u03b3\u03c1\u03b1\u03c6\u03b5\u03af\u03c2: D.A. Natsiopoulos<sup>1<\/sup>, E.G. Mamagiannou<sup>1<\/sup>, E.A. Tzanou<sup>3<\/sup>, A. Triantafyllou<sup>1<\/sup>, G.S. Vergos<sup>1<\/sup>, I.N. Tziavos<sup>1<\/sup>, D. Ramnalis<sup>2<\/sup>, V. Polychronos<sup>2<\/sup><\/p><p><sup>1 <\/sup>\u0395\u03c1\u03b3\u03b1\u03c3\u03c4\u03ae\u03c1\u03b9\u03bf \u039c\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2 \u03ba\u03b1\u03b9 \u0395\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ce\u03bd \u03c4\u03bf\u03c5 \u03a0\u03b5\u03b4\u03af\u03bf\u03c5 \u0392\u03b1\u03c1\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03a4\u03bc\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u0391\u03b3\u03c1\u03bf\u03bd\u03cc\u03bc\u03c9\u03bd \u03ba\u03b1\u03b9 \u03a4\u03bf\u03c0\u03bf\u03b3\u03c1\u03ac\u03c6\u03c9\u03bd \u039c\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ce\u03bd.<\/p><p><sup>2 <\/sup>Geosense,\u0399\u039a\u0395<\/p><p><sup>3 <\/sup>\u03a4\u03bc\u03ae\u03bc\u03b1 \u039c\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ce\u03bd \u03a4\u03bf\u03c0\u03bf\u03b3\u03c1\u03b1\u03c6\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u0393\u03b5\u03c9\u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03b9\u03ba\u03ae\u03c2\u00a0 \u03c4\u03b7\u03c2 \u03a3\u03c7\u03bf\u03bb\u03ae\u03c2 \u039c\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ce\u03bd \u03c4\u03bf\u03c5 \u0394\u03b9\u03b5\u03b8\u03bd\u03bf\u03cd\u03c2 \u03a0\u03b1\u03bd\u03b5\u03c0\u03b9\u03c3\u03c4\u03b7\u03bc\u03af\u03bf\u03c5 \u03c4\u03b7\u03c2 \u0395\u03bb\u03bb\u03ac\u03b4\u03bf\u03c2<\/p><div>\u00a0<\/div><div><a href=\"https:\/\/geonetgnss.geosenseapps.com\/wp-content\/uploads\/2025\/10\/REFAG_DN_2022_v2.pdf\" target=\"_blank\" rel=\"noopener\">\u03a0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b1&#8230;<\/a><\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1553\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"tab\" aria-controls=\"elementor-tab-content-1553\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" href=\"\">Newly Acquired Gravity Data in Support of the GeoNetGNSS CORS Network in Northern Greece<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1553\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-1553\"><p>Natsiopoulos, D.A.\u00a0<i>et al.<\/i>\u00a0(2023). Newly Acquired Gravity Data in Support of the GeoNetGNSS CORS Network in Northern Greece. In: International Association of Geodesy Symposia. Springer, Berlin, Heidelberg. <a href=\"https:\/\/doi.org\/10.1007\/1345_2023_213\">https:\/\/doi.org\/10.1007\/1345_2023_213<\/a><\/p><p><a href=\"https:\/\/link.springer.com\/chapter\/10.1007\/1345_2023_213\">https:\/\/link.springer.com\/chapter\/10.1007\/1345_2023_213<\/a><\/p><div>\u00a0<\/div><div><a href=\"https:\/\/geonetgnss.geosenseapps.com\/wp-content\/uploads\/2023\/09\/1345_2023_213.pdf\" target=\"_blank\" rel=\"noopener\">\u03a0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b1&#8230;<\/a><\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1554\" class=\"elementor-tab-title\" data-tab=\"4\" role=\"tab\" aria-controls=\"elementor-tab-content-1554\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" href=\"\">A Regional Gravimetric and Hybrid Geoid Model in Northern Greece from Dedicated Gravity Campaigns<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1554\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"4\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-1554\"><p><span lang=\"EN-US\">Vergos, G.S.; Natsiopoulos, D.A.; Mamagiannou, E.G.; Tzanou, E.A.; Triantafyllou, A.I.; Tziavos, I.N.; Ramnalis, D.; Polychronos, V. A Regional Gravimetric and Hybrid Geoid Model in Northern Greece from Dedicated Gravity Campaigns. Remote Sens. 2025, 17, 197.\u00a0<\/span><a href=\"https:\/\/doi.org\/10.3390\/rs17020197\" target=\"_blank\" rel=\"noopener\" data-saferedirecturl=\"https:\/\/www.google.com\/url?q=https:\/\/doi.org\/10.3390\/rs17020197&amp;source=gmail&amp;ust=1738405826529000&amp;usg=AOvVaw3xiKWeRTX9TJBRDHMHh8KB\"><span lang=\"EN-US\">https:\/\/doi.org\/10.3390\/<wbr \/>rs17020197<\/span><\/a><\/p><p><a href=\"https:\/\/www.mdpi.com\/2072-4292\/17\/2\/197\">https:\/\/link.springer.com\/chapter\/10.1007\/1345_2023_213<\/a><\/p><div>\u00a0<\/div><div><a href=\"https:\/\/geonetgnss.geosenseapps.com\/wp-content\/uploads\/2025\/01\/remotesensing-17-00197-with-cover.pdf\" target=\"_blank\" rel=\"noopener\">\u03a0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b1&#8230;<\/a><\/div><div>\u00a0<\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-37b97f1\" data-id=\"37b97f1\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-68d0a55 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"68d0a55\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b2edc79\" data-id=\"b2edc79\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-05473c2 elementor-widget elementor-widget-heading\" data-id=\"05473c2\" data-element_type=\"widget\" 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elementor-widget elementor-widget-image\" data-id=\"febf1cd\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.6.1 - 23-03-2022 *\/\n.elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img[src$=\".svg\"]{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block}<\/style>\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/geonetgnss.geosenseapps.com\/wp-content\/uploads\/2025\/11\/GeoNetGNSS_leaflet_1.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"GeoNetGNSS_leaflet_1\" e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTk0NCwidXJsIjoiaHR0cHM6XC9cL2dlb25ldGduc3MuZ2Vvc2Vuc2VhcHBzLmNvbVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNVwvMTFcL0dlb05ldEdOU1NfbGVhZmxldF8xLmpwZyJ9\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"724\" src=\"https:\/\/geonetgnss.geosenseapps.com\/wp-content\/uploads\/2025\/11\/GeoNetGNSS_leaflet_1-1024x724.jpg\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/geonetgnss.geosenseapps.com\/wp-content\/uploads\/2025\/11\/GeoNetGNSS_leaflet_1-1024x724.jpg 1024w, https:\/\/geonetgnss.geosenseapps.com\/wp-content\/uploads\/2025\/11\/GeoNetGNSS_leaflet_1-300x212.jpg 300w, https:\/\/geonetgnss.geosenseapps.com\/wp-content\/uploads\/2025\/11\/GeoNetGNSS_leaflet_1-768x543.jpg 768w, https:\/\/geonetgnss.geosenseapps.com\/wp-content\/uploads\/2025\/11\/GeoNetGNSS_leaflet_1-1536x1086.jpg 1536w, https:\/\/geonetgnss.geosenseapps.com\/wp-content\/uploads\/2025\/11\/GeoNetGNSS_leaflet_1.jpg 1755w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-4b2c284\" 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src=\"https:\/\/geonetgnss.geosenseapps.com\/wp-content\/uploads\/2025\/11\/GeoNetGNSS_leaflet_2-1024x724.jpg\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/geonetgnss.geosenseapps.com\/wp-content\/uploads\/2025\/11\/GeoNetGNSS_leaflet_2-1024x724.jpg 1024w, https:\/\/geonetgnss.geosenseapps.com\/wp-content\/uploads\/2025\/11\/GeoNetGNSS_leaflet_2-300x212.jpg 300w, https:\/\/geonetgnss.geosenseapps.com\/wp-content\/uploads\/2025\/11\/GeoNetGNSS_leaflet_2-768x543.jpg 768w, https:\/\/geonetgnss.geosenseapps.com\/wp-content\/uploads\/2025\/11\/GeoNetGNSS_leaflet_2-1536x1086.jpg 1536w, https:\/\/geonetgnss.geosenseapps.com\/wp-content\/uploads\/2025\/11\/GeoNetGNSS_leaflet_2.jpg 1755w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>\u0394\u03b7\u03bc\u03bf\u03c3\u03b9\u03b5\u03cd\u03c3\u03b5\u03b9\u03c2 Gravity and GNSS\/Leveling data collection towards developing a regional geoid model in support of the newly established GeoNetGNSS CORS network \u03a0\u03b1\u03c1\u03bf\u03c5\u03c3\u03af\u03b1\u03c3\u03b7 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1\u03c2 \u03c3\u03c4\u03bf \u03c0\u03b1\u03b3\u03ba\u03cc\u03c3\u03bc\u03b9\u03bf \u03c3\u03c5\u03bd\u03ad\u03b4\u03c1\u03b9\u03bf \u03c4\u03b7\u03c2 \u0394\u03b9\u03b5\u03b8\u03bd\u03bf\u03cd\u03c2 \u0388\u03bd\u03c9\u03c3\u03b7\u03c2 \u0393\u03b5\u03c9\u03b4\u03b1\u03b9\u03c3\u03af\u03b1\u03c2 &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/geonetgnss.geosenseapps.com\/index.php\/material\/\"> <span 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