{"id":1810022,"date":"2022-11-24T19:37:27","date_gmt":"2022-11-25T00:37:27","guid":{"rendered":"https:\/\/www.maproomblog.com\/?p=1810022"},"modified":"2022-11-24T19:37:27","modified_gmt":"2022-11-25T00:37:27","slug":"supergps-promises-ten-centimetre-accuracy","status":"publish","type":"post","link":"https:\/\/www.maproomblog.com\/2022\/11\/supergps-promises-ten-centimetre-accuracy\/","title":{"rendered":"SuperGPS Promises Ten-Centimetre Accuracy"},"content":{"rendered":"<p>It seems to be <a href=\"https:\/\/fancyclopedia.org\/Steam_Engine_Time_(concept)\">steam engine time<\/a> for GPS alternatives. We&rsquo;ve already seen two proposals that suggest using constellations of low-flying satellites to provide greater accuracy and more resilience against signal blocking than GPS and other orbital navigation systems can provide. Now a research team in the Netherlands is developing a project called <a href=\"https:\/\/www.tudelft.nl\/citg\/over-faculteit\/afdelingen\/geoscience-remote-sensing\/research\/projects\/supergps\">SuperGPS<\/a>, which promises decimetre-level (10 cm) accuracy through the use of terrestrial transmitters connected to a fibre-optic network. They&rsquo;ve built a working prototype, and <a href=\"https:\/\/www.nature.com\/articles\/s41586-022-05315-7\">published the results in <em>Nature<\/em><\/a>. <a href=\"https:\/\/www.tudelft.nl\/en\/2022\/tu-delft\/a-navigation-system-with-10-centimeter-accuracy\">More at the TU Delft news release<\/a>.<\/p>\n<p>Previously: <a href=\"https:\/\/www.maproomblog.com\/2022\/10\/starlink-as-gps-alternative\/\">Starlink as GPS Alternative<\/a>; <a href=\"https:\/\/www.maproomblog.com\/2022\/11\/esa-considering-low-orbit-satellites-to-improve-galileo-system\/\">ESA Considering Low-Orbit Satellites to Improve Galileo System<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>It seems to be steam engine time for GPS alternatives. We&rsquo;ve already seen two proposals that suggest using constellations of low-flying satellites to provide greater accuracy and more resilience against signal blocking than GPS and&hellip; <a href=\"https:\/\/www.maproomblog.com\/2022\/11\/supergps-promises-ten-centimetre-accuracy\/\">More<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"link","meta":{"autoblue_enabled":true,"autoblue_custom_message":"","autoblue_shares":[],"autoblue_post_url":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[254,752],"tags":[],"class_list":["post-1810022","post","type-post","status-publish","format-link","hentry","category-gps","category-navigation","post_format-post-format-link"],"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":1845141,"url":"https:\/\/www.maproomblog.com\/2025\/11\/how-imaging-quasars-improved-gps-accuracy\/","url_meta":{"origin":1810022,"position":0},"title":"How Imaging Quasars Improved GPS Accuracy","author":"Jonathan Crowe","date":"16 November 2025","format":"link","excerpt":"What do distant quasars have to do with improving GPS accuracy? A 2019 article from the NASA Technology Transfer Program explains: \u201cIn the 1960s, NASA used a network of radio telescopes and a technique called very large baseline interferometry (VLBI) to capture images of quasars in distant galaxies. In the\u2026","rel":"","context":"In &quot;Astronomy&quot;","block_context":{"text":"Astronomy","link":"https:\/\/www.maproomblog.com\/category\/astronomy\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1840665,"url":"https:\/\/www.maproomblog.com\/2025\/05\/exploring-gps-alternatives\/","url_meta":{"origin":1810022,"position":1},"title":"Exploring GPS Alternatives","author":"Jonathan Crowe","date":"16 May 2025","format":"link","excerpt":"In March the FCC issued a Notice of Inquiry to explore GPS alternatives, citing increasing threats to the resiliency of the existing GPS network. GPS World worries that the U.S. may limit domestic access to non-U.S. navigation systems (Beidou, Galileo, GLONASS), which many devices support, for security reasons. Breathless coverage\u2026","rel":"","context":"In &quot;GPS&quot;","block_context":{"text":"GPS","link":"https:\/\/www.maproomblog.com\/category\/gps\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1809347,"url":"https:\/\/www.maproomblog.com\/2022\/10\/new-apple-watch-features-include-dual-frequency-gps-virtual-breadcrumbs\/","url_meta":{"origin":1810022,"position":2},"title":"New Apple Watch Features Include Dual-Frequency GPS, Virtual Breadcrumbs","author":"Jonathan Crowe","date":"12 October 2022","format":"link","excerpt":"Apple is touting the Apple Watch Ultra\u2019s dual-frequency GPS support, viz., it uses the GPS L5 band in addition to L1 to improve accuracy. The new L5 signal is higher power and is supposed to provide more robust service, but with only 17 satellites broadcasting on it it\u2019s not yet\u2026","rel":"","context":"In &quot;GPS&quot;","block_context":{"text":"GPS","link":"https:\/\/www.maproomblog.com\/category\/gps\/"},"img":{"alt_text":"Apple Watch Ultra","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/10\/apple-watch-ultra-compass-188x300.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":1831019,"url":"https:\/\/www.maproomblog.com\/2024\/05\/solar-storms-and-precision-agriculture-dont-mix\/","url_meta":{"origin":1810022,"position":3},"title":"Solar Storms and Precision Agriculture Don&#8217;t Mix","author":"Jonathan Crowe","date":"12 May 2024","format":"link","excerpt":"We were warned that this weekend\u2019s solar storm could have an impact on GPS and navigation systems. 404 Media reports that it\u2019s causing outages in the GPS and real-time kinematic (RTK) positioning systems used in many farmers\u2019 tractors, right in the middle of planting. This is a bigger problem than\u2026","rel":"","context":"In &quot;Agriculture&quot;","block_context":{"text":"Agriculture","link":"https:\/\/www.maproomblog.com\/category\/agriculture\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1809541,"url":"https:\/\/www.maproomblog.com\/2022\/10\/starlink-as-gps-alternative\/","url_meta":{"origin":1810022,"position":4},"title":"Starlink as GPS Alternative","author":"Jonathan Crowe","date":"26 October 2022","format":"link","excerpt":"The point of SpaceX\u2019s Starlink constellation, consisting of some 3,000 low-orbiting satellites (so far), is to provide broadband internet access. But it could also be used as an alternative to GPS that might be less susceptible to jamming or spoofing. The U.S. Army and a team at the University of\u2026","rel":"","context":"In &quot;GPS&quot;","block_context":{"text":"GPS","link":"https:\/\/www.maproomblog.com\/category\/gps\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1819334,"url":"https:\/\/www.maproomblog.com\/2023\/10\/gpsjam-maps-gps-interference\/","url_meta":{"origin":1810022,"position":5},"title":"GPSJam Maps GPS Interference","author":"Jonathan Crowe","date":"18 October 2023","format":"link","excerpt":"GPS Jam, created by John Wiseman, is an online map of GPS interference, updated daily, based on GPS accuracy information reported by aircraft. It\u2019s not necessarily a map of where GPS is being deliberately jammed, but when you look and see that the hotspots are the eastern Mediterranean, western Russia\u2026","rel":"","context":"In &quot;GPS&quot;","block_context":{"text":"GPS","link":"https:\/\/www.maproomblog.com\/category\/gps\/"},"img":{"alt_text":"Screenshot of GPSJam website","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2023\/10\/gpsjam-screenshot-1024x576.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2023\/10\/gpsjam-screenshot-1024x576.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2023\/10\/gpsjam-screenshot-1024x576.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2023\/10\/gpsjam-screenshot-1024x576.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts\/1810022","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/comments?post=1810022"}],"version-history":[{"count":2,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts\/1810022\/revisions"}],"predecessor-version":[{"id":1810024,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts\/1810022\/revisions\/1810024"}],"wp:attachment":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/media?parent=1810022"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/categories?post=1810022"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/tags?post=1810022"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}