Pulsar

Pulsar is Xona Space Systems' flagship positioning, navigation and timing (PNT) service that addresses the limits of legacy GPS by broadcasting a new GNSS-compatible signal from a low-Earth-orbit constellation operating approximately 1,080 km above Earth — about 20 times closer than traditional MEO GNSS. It targets 2 cm horizontal and 4 cm vertical positioning accuracy, with timing precision better than 10 nanoseconds traceable to USNO, NIST, NPL and NRC.

Key capabilities:

• Space-broadcast PNT: A LEO constellation of up to 258 satellites transmits dual-band X1 and X5 RHCP signals with received power up to 100× stronger than GPS L1 C/A, enabling performance in urban canyons, under tree cover and indoors.
• Centimeter-level Positioning: Native support for sub-10 cm real-time positioning accuracy with near-instantaneous convergence, serving surveying, autonomous systems and fleet operations.
• Software-defined & Upgradable: A software-defined payload enables continuous in-orbit signal upgrades; a patented distributed clock architecture validates time across the constellation.
• Compatibility & SDKs: The PULSAR SDK and receiver integrations allow existing GNSS hardware (L1/L5 compatible) to access Pulsar via firmware updates — no new hardware required for supported receivers.
• High integrity & anti-spoofing: Cryptographically authenticated signals resist jamming and spoofing, making Pulsar suitable for contested RF environments and safety-critical applications.
• Testing & Validation: Simulator and test-tool partnerships let customers evaluate Pulsar performance before operational deployment.

Pulsar-0, the first production-class satellite (launched June 2025 on SpaceX Transporter-14), is currently undergoing in-orbit testing in partnership with Trimble. The service is positioned as a commercial complement to existing GNSS constellations, not a replacement, targeting defense, construction, logistics, agriculture, mining and autonomous-vehicle sectors.