{"id":1806985,"date":"2022-04-21T19:46:31","date_gmt":"2022-04-21T23:46:31","guid":{"rendered":"https:\/\/www.maproomblog.com\/?p=1806985"},"modified":"2022-04-21T19:46:31","modified_gmt":"2022-04-21T23:46:31","slug":"spacecraft-will-test-satnav-reception-from-lunar-orbit","status":"publish","type":"post","link":"https:\/\/www.maproomblog.com\/2022\/04\/spacecraft-will-test-satnav-reception-from-lunar-orbit\/","title":{"rendered":"Spacecraft Will Test Satnav Reception from Lunar Orbit"},"content":{"rendered":"<p>More on the astonishing idea that Earth-orbiting <abbr title=\"Global Navigation Satellite System\">GNSS<\/abbr> satellites can be used for navigation at the Moon. <a href=\"https:\/\/www.esa.int\/Applications\/Navigation\/The_Moon_where_no_satnav_has_gone_before\">The European Space Agency reports<\/a> that among the instruments carried by the upcoming <a href=\"https:\/\/www.sstl.co.uk\/space-portfolio\/missions-in-build\/2022\/lunar-pathfinder\">Lunar Pathfinder<\/a> commercial mission will be a 1.4 kg satnav receiver that will test its ability to receive GPS and Galileo signals from lunar orbit. \u201cSatnav position fixes from the receiver will be compared with conventional radio ranging carried out using Lunar Pathfinder\u2019s X-band transmitter as well as laser ranging performed using a retroreflector contributed by NASA and developed by the <a href=\"https:\/\/www.kbr.com\/en\">KBR<\/a> company.\u201d Lunar Pathfinder is currently scheduled to launch in 2024.<\/p>\n<p>Previously: <a href=\"https:\/\/www.maproomblog.com\/2019\/06\/many-moon-maps\/\">Many Moon Maps<\/a>;\u00a0<a href=\"https:\/\/www.maproomblog.com\/2020\/03\/can-gps-be-used-on-the-moon\/\">Can GPS Be Used on the Moon?<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>More on the astonishing idea that Earth-orbiting GNSS satellites can be used for navigation at the Moon. The European Space Agency reports that among the instruments carried by the upcoming Lunar Pathfinder commercial mission will&hellip; <a href=\"https:\/\/www.maproomblog.com\/2022\/04\/spacecraft-will-test-satnav-reception-from-lunar-orbit\/\">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":[3,254],"tags":[446,1309,63],"class_list":["post-1806985","post","type-post","status-publish","format-link","hentry","category-astronomy","category-gps","tag-esa","tag-galileo","tag-moon","post_format-post-format-link"],"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":1788572,"url":"https:\/\/www.maproomblog.com\/2020\/03\/can-gps-be-used-on-the-moon\/","url_meta":{"origin":1806985,"position":0},"title":"Can GPS Be Used on the Moon?","author":"Jonathan Crowe","date":"30 March 2020","format":"link","excerpt":"More on the question of whether GPS can be used for navigation on the lunar surface\u2014that is to say the existing constellations of Earth-orbiting GNSS satellites, not a new constellation of satellites around the moon. A new study suggests that the answer is yes: GPS and other navigation systems could\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":1806985,"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":1787453,"url":"https:\/\/www.maproomblog.com\/2019\/06\/many-moon-maps\/","url_meta":{"origin":1806985,"position":2},"title":"Many Moon Maps","author":"Jonathan Crowe","date":"21 June 2019","format":"link","excerpt":"With the 50th anniversary of Apollo 11 almost upon us, there's been an uptick in moon-related content, which includes moon-related map content. For example: New Exhibition. Opening today at The Map House in London, The Mapping of the Moon: 1669-1969, an exhibition of three centuries of lunar cartography. \"The exhibition\u2026","rel":"","context":"In &quot;Antique Maps&quot;","block_context":{"text":"Antique Maps","link":"https:\/\/www.maproomblog.com\/category\/antique-maps\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2019\/06\/national-geographic-moon.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2019\/06\/national-geographic-moon.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2019\/06\/national-geographic-moon.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2019\/06\/national-geographic-moon.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":1809677,"url":"https:\/\/www.maproomblog.com\/2022\/11\/esa-considering-low-orbit-satellites-to-improve-galileo-system\/","url_meta":{"origin":1806985,"position":3},"title":"ESA Considering Low-Orbit Satellites to Improve Galileo System","author":"Jonathan Crowe","date":"3 November 2022","format":"link","excerpt":"The idea of using low-earth-orbit satellites to provide greater GPS\/GNSS accuracy isn\u2019t limited to commandeering the Starlink constellation. The European Space Agency is exploring the idea of using low-flying satellites to increase Galileo\u2019s accuracy and robustness: make it possible to use indoors, make it more resistant to jamming and interference,\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":5247,"url":"https:\/\/www.maproomblog.com\/2011\/11\/a-new-lunar-topo-map\/","url_meta":{"origin":1806985,"position":4},"title":"A New Lunar Topo Map","author":"Jonathan Crowe","date":"16 November 2011","format":"link","excerpt":"A new topographic map of the Moon from the Lunar Reconnaissance Orbiter: \"Today the LROC team releases Version 1 of the Wide Angle Camera (WAC) topographic map of the Moon. This amazing map shows you the ups and downs over nearly the entire Moon, at a scale of 100 meters\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":5566,"url":"https:\/\/www.maproomblog.com\/2013\/02\/lunar-gravity-map\/","url_meta":{"origin":1806985,"position":5},"title":"Lunar Gravity Map","author":"Jonathan Crowe","date":"11 February 2013","format":"link","excerpt":"NASA has released a free-air gravity map of the Moon: \"If the Moon were a perfectly smooth sphere of uniform density, the gravity map would be a single, featureless color, indicating that the force of gravity at a given elevation was the same everywhere. But like other rocky bodies in\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":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts\/1806985","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=1806985"}],"version-history":[{"count":4,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts\/1806985\/revisions"}],"predecessor-version":[{"id":1806990,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts\/1806985\/revisions\/1806990"}],"wp:attachment":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/media?parent=1806985"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/categories?post=1806985"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/tags?post=1806985"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}