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Burlingame Today
By the People, for the People
Satellite Navigation Startup Xona Space Raises $170M
The company's Pulsar satellite constellation aims to provide a more reliable alternative to GPS.
Mar. 27, 2026 at 1:42am
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Xona Space Systems, a startup working to build a more reliable alternative to GPS, has raised $170 million in a Series C funding round. The company is developing a satellite constellation called Pulsar that uses a high-power navigation signal to provide location services in areas where GPS is inaccessible, such as indoors or under tree cover. Xona's satellites also feature a distributed clock architecture that eliminates the need for expensive atomic clocks used in traditional GPS satellites.
Why it matters
Xona's technology could provide a critical backup to GPS, which has limitations in certain environments. The company's ability to raise significant funding suggests growing demand for more robust satellite navigation systems to support emerging applications like autonomous vehicles, drones, and indoor location tracking.
The details
Xona's Pulsar satellites use an 'isoflux antenna' to generate what the company describes as the 'highest-power navigation signal ever known.' This signal can pass through walls, tree covers, and other obstacles, enabling Pulsar to work in environments where GPS is inaccessible. The satellites also have a distributed clock architecture that removes the need for atomic clocks, reducing complexity and cost. Xona plans to deploy a constellation of 258 Pulsar satellites within the next few years, with the first systems scheduled to launch by the end of 2026.
- Xona plans to deploy a constellation of 258 Pulsar satellites within a few years.
- The first Pulsar systems are scheduled to launch by the end of 2026.
The players
Xona Space Systems
A startup working to build a more reliable alternative to GPS by developing a satellite constellation called Pulsar.
Brian Manning
Xona co-founder and Chief Executive.
What they’re saying
“Pulsar signals work with the devices people already use today. In many cases, Pulsar can be enabled through a simple software update. More than a dozen commercial receiver partners are already tracking Pulsar signals within their devices.”
— Brian Manning, Co-founder and Chief Executive, Xona Space Systems
What’s next
Xona plans to use the $170 million in funding to upgrade its satellite plant in Burlingame, California and deploy the first Pulsar satellites by the end of 2026.
The takeaway
Xona's Pulsar satellite constellation represents a significant step forward in providing a more robust and reliable alternative to GPS, which could have major implications for emerging technologies like autonomous vehicles, drones, and indoor location tracking that rely on accurate satellite navigation.


