{"id":41764,"date":"2025-05-15T08:07:07","date_gmt":"2025-05-15T07:07:07","guid":{"rendered":"https:\/\/www.ispreview.co.uk\/?p=41764"},"modified":"2025-05-15T08:07:07","modified_gmt":"2025-05-15T07:07:07","slug":"spacex-proposes-starlink-can-deliver-sat-nav-to-complement-gps","status":"publish","type":"post","link":"https:\/\/www.ispreview.co.uk\/index.php\/2025\/05\/spacex-proposes-starlink-can-deliver-sat-nav-to-complement-gps.html","title":{"rendered":"SpaceX Proposes Starlink Can Deliver Sat Nav to Complement GPS"},"content":{"rendered":"

SpaceX has proposed that its Starlink<\/a> service, which offers ultrafast broadband speeds to the UK and beyond via a mega constellation of compact satellites in Low Earth Orbit (LEO), can offer Positioning, Navigation, and Timing (PNT) solutions to complement GPS. This would meet the Federal Communications Commission’s (FCC) desire for an alternative to GPS.<\/p>\n

At present Starlink<\/a> has around 7,500 satellites<\/strong><\/a> in Low Earth Orbit (c.3,300 are v2 Mini \/ GEN 2A) \u2013 mostly at altitudes of c.500-600km \u2013 and they’ll add thousands more by the end of 2027. Residential customers in the UK typically pay from \u00a375 a month, plus \u00a3299 for hardware on the \u2018Standard<\/em>\u2019 unlimited data plan (currently free in some areas on a 12-month term), which promises<\/a> latency times of 25-60ms, downloads of 25-100Mbps and uploads of 5-10Mbps.<\/p>\n

NOTE:<\/strong> By the end of 2024 Starlink<\/a>\u2019s global network had 4.6 million customers (up from 2.3m in 2023) and 87,000 of those were in the UK (up from 42,000 in 2023) \u2013 mostly in rural areas.<\/div>\n

However, it’s long been known that networks like this could potentially also offer an alternative to the Global Positioning System<\/strong> (GPS), which is because they use precise timing and positioning information (telemetry) to ensure their data links can function in a smooth and stable way (example<\/a>).<\/p>\n

Starlink’s first generation (GEN1) satellites weren’t specifically designed to offer this as a service. But the company’s latest Direct to Cell<\/strong><\/a> (DtC) capable broadband satellites, which are designed to deliver \u201crobust<\/em>\u201d global coverage of their new 4G<\/a> mobile roaming service (currently in the process of a commercial launch), do contain a more sophisticated PNT solution that could deliver a GPS alternative if so desired.<\/p>\n

This is important because, as the FCC’s Chair, Brendan Carr<\/strong>, put it earlier this year (X<\/a>): “Our economy and national security depend on the U.S. GPS system\u2014or, more precisely, the positioning, navigation, & timing (PNT) data it provides. Continuing to rely so heavily on one system leaves us exposed. And the threats to GPS are only going to increase<\/em>.”<\/p>\n

Since then the FCC have been looking for alternatives to complement GPS and SpaceX has now made its own submission (here<\/a> – credits to PC Mag<\/a>).<\/p>\n

SpaceX Statement on PNT Proposal<\/strong><\/p>\n

As the Commission identifies specific actions to contribute to the whole-of-government PNT system resilience effort, one opportunity stands out as a particularly ripe, low-hanging fruit: facilitating the rapid deployment of next-generation low-Earth orbit (\u201cLEO\u201d) satellite<\/a> constellations that can deliver PNT as a service alongside high-speed, low-latency broadband and ubiquitous mobile connectivity.<\/p>\n

For example, authorizing new U.S.-licensed operators to share chronically underused mid-band mobile-satellite<\/a> service (\u201cMSS\u201d) spectrum would promote American leadership in the global deployment of direct-to-device mobile services that could also provide GPS-independent PNT solutions.<\/p>\n

As several commenters note, a market-driven approach to PNT innovation will achieve a new level of resilience without government subsidies or rules that inadvertently tip the competitive playing field in favor of a particular operator or bespoke solution.<\/p>\n

…<\/p>\n

SpaceX has invested considerable resources to ensure that its satellite<\/a> systems can operate independent of GPS. This capability not only allows those systems to operate unhindered even if GPS is unavailable, it also sets the foundation for future solutions that can use any authorized frequency to deliver accurate, reliable, and resilient PNT to any end user device. SpaceX has also been actively working to integrate PNT solutions into its direct-to-device commercial service offerings.<\/p><\/blockquote>\n

At present we don’t know how accurate Starlink’s PNT solution would be compared to commercial GPS services, but it’ll be interesting to see how this progresses. However, SpaceX is not the only satellite operator attempting to pitch their wagon in this field, with Globalstar<\/strong> (used by Apple’s devices) noting that their satellites also harbour such a capability.<\/p>\n

Globalstar’s ability to transmit outside the L-band could potentially also provide PNT users with added immunity from GPS jamming and spoofing, while their transmissions at 2.4GHz are claimed to be stronger than GPS signals (i.e. potentially useful for resilience, performance, and reliability).<\/p>\n

By the sounds of it we may see more than one GPS alternative in the future, which is before we even consider the other non-USA based GPS alternatives that already exist (e.g. the EU’s Galileo system). Not to mention that OneWeb<\/a> (Eutelsat<\/a>) and Amazon<\/a>\u2019s Project Kuiper satellites could also be adapted to offer a PNT solution, among others.<\/p>\n","protected":false},"excerpt":{"rendered":"

SpaceX has proposed that its Starlink service, which offers ultrafast broadband speeds to the UK and beyond via a mega constellation of compact satellites in Low Earth Orbit (LEO), can offer Positioning, Navigation, and Timing (PNT) solutions to complement GPS. This would meet the Federal Communications Commission’s (FCC) desire for an alternative to GPS.<\/p>\n","protected":false},"author":1,"featured_media":20949,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[1],"tags":[77],"class_list":["post-41764","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uk_isp_news","tag-satellite"],"share_on_mastodon":{"url":"https:\/\/mastodon.social\/@ispreview\/114510589620898287","error":""},"yoast_head":"\nSpaceX Proposes Starlink Can Deliver Sat Nav to Complement GPS - ISPreview UK<\/title>\n<meta name=\"description\" content=\"SpaceX has proposed that its Starlink service, which offers ultrafast broadband speeds to the UK and beyond via a mega constellation of compact satellites\" \/>\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.ispreview.co.uk\/index.php\/2025\/05\/spacex-proposes-starlink-can-deliver-sat-nav-to-complement-gps.html\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SpaceX Proposes Starlink Can Deliver Sat Nav to Complement GPS - 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