{"id":9966,"date":"2026-09-15T13:34:11","date_gmt":"2026-09-15T13:34:11","guid":{"rendered":"https:\/\/godshand.link\/ground_post\/csda-vendor-hydrosat-nasa-science\/"},"modified":"2026-09-15T13:34:11","modified_gmt":"2026-09-15T13:34:11","slug":"csda-vendor-hydrosat-nasa-science","status":"publish","type":"ground_post","link":"https:\/\/godshand.link\/en_gb\/ground_post\/csda-vendor-hydrosat-nasa-science\/","title":{"rendered":"CSDA Vendor &#8211; Hydrosat &#8211; NASA Science"},"content":{"rendered":"<p><br \/>\n<\/p>\n<div xmlns:default=\"http:\/\/www.w3.org\/2000\/svg\">\n<div id=\"\" class=\"nasa-gb-align-full maxw-full width-full padding-0 hds-module hds-module-full alignfull wp-block-nasa-blocks-page-intro\">\n<div class=\"padding-0 bg-spacesuit-white wp-block-nasa-blocks-page-intro\">\n<div class=\"hds-page-intro hds-page-intro-banner width-full maxw-full padding-0 hds-cover-wrapper minh-tablet\">\n<div class=\"hds-foreground-wrapper display-flex\">\n<div class=\"grid-row grid-container grid-container-block margin-top-auto margin-bottom-auto width-full maxw-desktop-lg padding-top-9 padding-x-3 z-400\">\n<div class=\"grid-col-12 desktop:grid-col-6 desktop:padding-right-4 margin-bottom-3 desktop:margin-bottom-0\">\n<p class=\"p-lg color-carbon-30-important\">\n\t\t\t\t\t\tNASA&#8217;s Commercial Satellite Data Acquisition (CSDA) program has acquired commercial datasets from Hydrosat.\t\t\t\t\t<\/p>\n<\/p><\/div><\/div><\/div>\n<figure class=\"hds-media-background\"><img width=\"2048\" height=\"1209\" src=\"https:\/\/science.nasa.gov\/wp-content\/uploads\/2026\/09\/hydrosat-web-hero.jpg?w=2048\" class=\"attachment-2048x2048 size-2048x2048\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/science.nasa.gov\/wp-content\/uploads\/2026\/09\/hydrosat-web-hero.jpg 6754w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2026\/09\/hydrosat-web-hero.jpg?resize=300,177 300w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2026\/09\/hydrosat-web-hero.jpg?resize=768,453 768w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2026\/09\/hydrosat-web-hero.jpg?resize=1024,604 1024w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2026\/09\/hydrosat-web-hero.jpg?resize=1536,906 1536w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2026\/09\/hydrosat-web-hero.jpg?resize=2048,1209 2048w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2026\/09\/hydrosat-web-hero.jpg?resize=400,236 400w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2026\/09\/hydrosat-web-hero.jpg?resize=600,354 600w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2026\/09\/hydrosat-web-hero.jpg?resize=900,531 900w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2026\/09\/hydrosat-web-hero.jpg?resize=1200,708 1200w, https:\/\/science.nasa.gov\/wp-content\/uploads\/2026\/09\/hydrosat-web-hero.jpg?resize=2000,1180 2000w\" sizes=\"auto, (max-width: 2048px) 100vw, 2048px\"\/><\/figure>\n<\/p><\/div><\/div><\/div>\n<p class=\"wp-block-paragraph\">Hydrosat operates a two-satellite (VanZyl-1 and VanZyl-2) constellation outfitted with two Earth-sensing instruments, a Longwave Infrared Imager (LIRI), and a Visible Near Infrared Imager (VIRI), collecting coincident 30-meter Visible Near Infrared (VNIR) and 70-meter Long Wave Infrared (LWIR) imagery, across a broad 70-kilometer (km) field of view. Because it can measure changes in temperature over time, day and night, Hydrosat\u2019s thermal infrared data has the potential to increase agricultural production and improve water management with early water stress detection, identify localized urban heat impacts and urban heat island effects, detect geohazards such as volcanic activity, and monitor emissions and activity signals at industrial sites. <\/p>\n<h2 class=\"wp-block-heading\">Obtaining Data<\/h2>\n<p class=\"wp-block-paragraph\">All newly awarded commercial data provider products are currently undergoing CSDA evaluation. If you have any questions about these products, please email <a target=\"_blank\" href=\"https:\/\/science.nasa.gov\/earth-science\/csda\/vendor-hydrosat\/mailto:csda-support@nasa.gov\" data-type=\"mailto\" data-id=\"https:\/\/science.nasa.gov\/earth-science\/csda\/vendor-hydrosat\/mailto:csda-support@nasa.gov\">CSDA Support<\/a>. <\/p>\n<p class=\"wp-block-paragraph\">Hydrosat encourages researchers and analysts to explore previews of their vast archive<br \/>for free using their <a target=\"_blank\" href=\"https:\/\/hydrosat.com\/discovery-platform\/\" data-type=\"link\" data-id=\"https:\/\/hydrosat.com\/discovery-platform\/\">Discovery platform<\/a>.<\/p>\n<h2 class=\"wp-block-heading\">Copyright<\/h2>\n<p class=\"wp-block-paragraph\">Data products and derivatives of imagery must contain copyright markings as specified below,<br \/>where YYYY is the year of the image acquisition.<\/p>\n<ul class=\"wp-block-list\">\n<li>For Hydrosat data: \u201c\u00a9 Hydrosat, YYYY. All Rights Reserved.\u201d<\/li>\n<li>For derivatives: &#8220;Includes copyrighted material of Hydrosat, All Rights Reserved.\u201d<\/li>\n<li>A joint copyright notice may be used as appropriate.<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\"><strong>CSDA Acknowledgment<\/strong><\/h2>\n<p class=\"wp-block-paragraph\">To help CSDA identify your publications, we request that you include the following acknowledgment when publishing work created using these data:<\/p>\n<p class=\"wp-block-paragraph\">\u201cThis work utilized data made available through the NASA Commercial Satellite Data Acquisition (CSDA) Program.\u201d Authorized users should send\u00a0<a target=\"_blank\" href=\"https:\/\/science.nasa.gov\/earth-science\/csda\/vendor-hydrosat\/mailto:csda-support@nasa.gov\">CSDA<\/a>\u00a0a courtesy copy of any publications that include CSDA-distributed data.<\/p>\n<h2 class=\"wp-block-heading\">Documentation<\/h2>\n<p class=\"wp-block-paragraph\">For more information on available Hydrosat data products, user guides on thermal data, and use<br \/>cases and more, please visit Hydrosat\u2019s <a target=\"_blank\" href=\"https:\/\/satdocs.hydrosat.com\/\" data-type=\"link\" data-id=\"https:\/\/satdocs.hydrosat.com\/\">documentation pages<\/a>.<\/p>\n<h2 class=\"wp-block-heading\"><strong>Hydrosat Data Available from the CSDA Program<\/strong><\/h2>\n<h3 class=\"wp-block-heading\">VZ Constellation Specifications <\/h3>\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<tbody>\n<tr>\n<td>Orbit Type<\/td>\n<td>Sun synchronous<\/td>\n<td\/><\/tr>\n<tr>\n<td>Orbit Altitude<\/td>\n<td>500-600 km<\/td>\n<td\/><\/tr>\n<tr>\n<td>LTDN | LTAN<\/td>\n<td>10:30 AM, 1:30 PM<\/td>\n<td>|         10:30 PM, 1:30 AM<\/td>\n<\/tr>\n<tr>\n<td>Swath Width<\/td>\n<td>70 km<\/td>\n<td\/><\/tr>\n<tr>\n<td>Average Revisit (day only or night only)<br \/>Equator<br \/>+\/- 20\u00b0 latitude<br \/>+\/- 40\u00b0 latitude<br \/>+\/- 60\u00b0 latitude<br \/>+\/- 80\u00b0 latitude<\/td>\n<td>Nadir<\/p>\n<p>18.82<br \/>16.05<br \/>15.35<br \/>8.43<br \/>2.12<\/p>\n<\/td>\n<td>20\u00b0 Off-nadir*<\/p>\n<p>3.07<br \/>2.91<br \/>2.38<br \/>1.5<br \/>&gt;2<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>Spatial Resolution (GSD)<\/td>\n<td>VNIR: 30 M<br \/>LWIR: 70 M<\/td>\n<td\/><\/tr>\n<tr>\n<td>Visible &amp; Near Infrared Bands<\/td>\n<td>458-523 nm (Blue)<br \/>543-578 nm (Green)<br \/>650-680 nm (Red)<br \/>698 &#8211; 713 nm (Red Edge 1)<br \/>733 &#8211; 748 nm (Red Edge 2)<br \/>773 &#8211; 793 nm (Red Edge 3)<br \/>785-900 nm (NIR)<\/td>\n<td\/><\/tr>\n<tr>\n<td>Thermal Infrared Bands<\/td>\n<td>10.6-11.19 \u03bcm (LWIR 1)<br \/>11.5-12.51 \u03bcm (LWIR 2)<\/td>\n<td\/><\/tr>\n<\/tbody>\n<\/table><figcaption class=\"wp-element-caption\">*Tasking requires feasibility confirmation<\/figcaption><\/figure>\n<h3 class=\"wp-block-heading\">Imagery Product Levels<\/h3>\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<tbody>\n<tr>\n<td><strong>Processing Level<\/strong><\/td>\n<td><strong>Description<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Level 1A VNIR (Day)<\/td>\n<td>7-band (VNIR) at-sensor radiance product. It is geolocated and projected to the ground but not orthorectified and it is presented at native resolution of 30m<\/td>\n<\/tr>\n<tr>\n<td>Level 1A LWIR (Day<br \/>or Night)<\/td>\n<td>2-band (LWIR) at-sensor radiance product. It is geolocated and projected to the ground but not orthorectified and it is presented at native<br \/>resolution of 70m<\/td>\n<\/tr>\n<tr>\n<td>Level 1B Combined<br \/>VNIR + LWIR<br \/>(Day)<\/td>\n<td>7-band (VNIR) top-of-atmosphere reflectance and 2-band (LWIR) top of-atmosphere brightness temperature product. The data is co-registered, orthorectified, and aligned on a common 30 m grid.<\/td>\n<\/tr>\n<tr>\n<td>Level 1B LWIR (Night)<\/td>\n<td>Two-band (LWIR) top-of-atmosphere brightness temperature product<\/td>\n<\/tr>\n<tr>\n<td>Level 2<\/td>\n<td>Surface temperature and surface reflectance product at 30m pixel size<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h2 class=\"wp-block-heading\">Authorized Data Use and Users<\/h2>\n<p class=\"wp-block-paragraph\">Access to this data is governed by the CSDA End User License Agreements (EULAs). The<br \/>minimum access level for data is the USG license. Depending on the specific data products<br \/>provided, some or all data may also be available under higher-tier CSDA licenses, including<br \/>USG-Plus and Public licenses.<\/p>\n<p class=\"wp-block-paragraph\">Under the applicable license tier, authorized users may include:<\/p>\n<ul class=\"wp-block-list\">\n<li>U.S. Government federal employees<\/li>\n<li>State, local, territorial, and tribal government personnel<\/li>\n<li>U.S. Government contractors and subcontractors<\/li>\n<li>U.S. Government\u2013funded researchers and academic partners<\/li>\n<li>Other users authorized under applicable CSDA license levels (USG, USG-Plus, or Public)<\/li>\n<\/ul>\n<p class=\"wp-block-paragraph\">All data use must comply with the terms of the EULA. All data requests must be reviewed and<br \/>approved by NASA\u2019s Commercial Satellite Data Acquisition (CSDA) program.<\/p>\n<p class=\"wp-block-paragraph\"><strong>Top Banner Image:<\/strong> Hydrosat imaging Earth. \u00a9 Hydrosat 2026<\/p>\n<\/div>\n<p><br \/>\n<br \/><a href=\"https:\/\/science.nasa.gov\/earth-science\/csda\/vendor-hydrosat\/?rand=6382\" target=\"_blank\">Source link <\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>NASA&#8217;s Commercial Satellite Data Acquisition (CSDA) program has acquired commercial datasets from Hydrosat. Hydrosat operates a two-satellite (VanZyl-1 and VanZyl-2) constellation outfitted with two Earth-sensing instruments, a Longwave Infrared Imager (LIRI), and a Visible Near Infrared Imager (VIRI), collecting coincident 30-meter Visible Near Infrared (VNIR) and 70-meter Long Wave Infrared (LWIR) imagery, across a broad 70-kilometer (km) field of view.&hellip;<\/p>","protected":false},"author":99074,"featured_media":9967,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","format":"standard","meta":{"give_campaign_id":0,"footnotes":""},"tags":[2065,3302,374,460,2066],"ground_category":[137,313],"class_list":["post-9966","ground_post","type-ground_post","status-publish","format-standard","has-post-thumbnail","hentry","tag-csda","tag-hydrosat","tag-nasa","tag-science","tag-vendor","ground_category-1-grounds-science","ground_category-1-4-discover-saturn"],"fifu_image_url":"https:\/\/science.nasa.gov\/wp-content\/uploads\/2026\/09\/hydrosat-web-hero.jpg","_links":{"self":[{"href":"https:\/\/godshand.link\/en_gb\/wp-json\/wp\/v2\/ground_post\/9966","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/godshand.link\/en_gb\/wp-json\/wp\/v2\/ground_post"}],"about":[{"href":"https:\/\/godshand.link\/en_gb\/wp-json\/wp\/v2\/types\/ground_post"}],"author":[{"embeddable":true,"href":"https:\/\/godshand.link\/en_gb\/wp-json\/wp\/v2\/users\/99074"}],"replies":[{"embeddable":true,"href":"https:\/\/godshand.link\/en_gb\/wp-json\/wp\/v2\/comments?post=9966"}],"version-history":[{"count":0,"href":"https:\/\/godshand.link\/en_gb\/wp-json\/wp\/v2\/ground_post\/9966\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/godshand.link\/en_gb\/wp-json\/wp\/v2\/media\/9967"}],"wp:attachment":[{"href":"https:\/\/godshand.link\/en_gb\/wp-json\/wp\/v2\/media?parent=9966"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/godshand.link\/en_gb\/wp-json\/wp\/v2\/tags?post=9966"},{"taxonomy":"ground_category","embeddable":true,"href":"https:\/\/godshand.link\/en_gb\/wp-json\/wp\/v2\/ground_category?post=9966"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}