Maintain Operational Capability for Personnel in D3SOE.
Recent technological advances allow adversaries to jam and spoof the Global Positioning System, presenting soldiers with the possibility of operating in a denied, degraded or disrupted space operational environment (D3SOE).
The RSR Transcoder v2.0 from VIAVI Solutions uses a patented algorithm to provide near instant conversion of assured inputs such as M-code, SAASM, IMU/INS and other signals of opportunity into a Universal GPS L1, L2 or P-code output that easily upgrades any legacy GPS with Assured PNT capability.
This ruggedized IP68 form factor features:
- GPS L1 & L2 with P-code output
- 100 Hz update rate
- Optional ICD153 Interface
- Ruggedized enclosure allows mounting in any vehicle or portable
- DAGR integration
- Multiple holdover oscillator options (4, 8, and 24 hours)
- Inputs from multi-source timing, location, IMU, and signals of opportunity
- Status indicators with ‘covert’ lights-out operation
- Allows continuous operation of legacy GPS receivers even during jamming and spoofing conditions
- Mountable on land, sea, or air platforms
The output of the RSR GNSS Transcoder v2.0(tm) is a -120 dBm L1, L2 GPS RF signal that looks to the legacy target receiver just like a standard live-sky GPS signal. The Transcoder takes NMEA or SCPI base-band Position, Velocity, and Time information, and converts this in milliseconds to a matching RF output. This allows receiving any modern GNSS system (GPS with SBAS, Galileo, Glonass, BeiDou, SAASM, M-code) and converting this in real time using the integrated full-constellation GPS simulator into a legacy GPS RF signal that can be sent to any legacy GPS receiver. The system is thus retrofitted with the latest GNSS technology without having to change anything in the legacy system other than replacing the GPS antenna with the RSR GNSS Transcoder v2.0(tm). For added functionality and performance the Transcoder includes an optional CSAC atomic clock for exceptional holdover (GNSS-denied) operation.
The RSR GNSS Transcoder v2.0 can be powered from an optional vehicle/avionics power supply that allows operation anywhere from 7 V to 36 V. The unit has integral RS-232 ports for communicating to an external GNSS receiver or other NMEA source, an external 1PPS input allowing 5ns time-transfer accuracy to the RF signal, and a GPS L1, L2, C/A, P-code RF output connector with integrated antenna load for GPS receivers that require a DC antenna load to operate properly.
External GNSS receivers such as Rockwell SAASM receivers and u-blox GNSS receivers are automatically detected and configured via the RS-232 port. The module itself can be monitored, programmed, controlled, and adjusted through the USB port via the new freeware SimCon application downloadable from our support web page, using GPSCon, or via any standard serial terminal.
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