SPECTRACOM

Geo-PNT - GPS Receiver

Geo-PNT is an efficient solution for mobile applications that rely on precision time, space, and position. It combines a high-performance, versatile, GPS master clock with an accurate inertial navigation system that performs even with temporary loss of GPS, typical of dynamic platforms. It minimizes size, weight and power (SWAP) due to the integration of positioning and timing that are typical achieved by two independent subsystems. Geo-PNT is available with a L1 GPS receiver or with a L1/L2 SAASM GPS receiver.

  • High-performance
  • Low SWAP
  • Ruggedized form factor (MIL-STD-810G)
  • NTP network synchronization protocol
  • Precise 1 PPS, 10 MHz and other timing signals
  • Easy integration
  • Airborne/Ground/Marine

High Reliability, Ruggedized Design: The architecture provides intrinsic redundancy, with support for multiple external references (timing, position and attitude), as well as internal timebase and IMU that maintain both timescale and position in case the external references are lost.

The high level of ruggedization of Geo-PNT makes it suitable for all critical and harsh environmental applications. The enclosure, grounding, connectors, power supply, internal mounting, and thermal management have been carefully addressed to maximize its reliability, tested according to MIL-STD-810G.

An Easy-to-Integrate Platform Approach: SWAP has been optimized thanks to a “smart” design that allows the configurability of interfaces and allows us to group most of the signaling requirements on a single connector.

Geo-PNT provides great flexibility when it comes to device interfaces; Ethernet, RS232 or RS422, digital DCLS interfaces can be selected as hardware interfaces with a wide choice of data formats assigned to the electrical signals. This allows Geo-PNT to be integrated with legacy devices (typically a point to point link) or to more recent network-enabled devices.

Geo-PNT provides a feature-rich, user friendly management capability through a web interface that allows quick configuration, software updates, as well as status monitoring, either locally or through a local network.

High Performance Time Server: Geo-PNT maintains an accurate internal timescale with very low power consumption via a low-phase noise OCXO (contact the factory about CSAC). Precise time and frequency information is available as 1 PPS,unmodulated IRIG B timecode, 10 MHz, and NMEA time-of-day messages. Highperformance NTP server (contact the factory about PTP) provides accurate time distribution over an IP network.

High Performance Inertial Navigation System: Geo-PNT works in autonomous GPS mode. Its internal MEMS gyroscopes and accelerometers are carefully calibrated against a wide temperature range and different types of dynamic conditions. Data from external IMUs are supported.

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