The VIAVI GPSG‑1000 GPS/Galileo Portable Positional Simulator is an economical yet high‑performance tool for validating GPS‑enabled devices. It simulates GPS L1, L1C, L2C, and L5 signals, as well as Galileo E1, E5, E5a, and E5b, supporting both static and dynamic scenarios. The unit offers NMEA‑0183 file record and playback, a 12‑channel RAIM‑supported configuration, programmable satellite parameters, and user‑ or receiver‑based time reference. With Ethernet remote control and upgradeable software and firmware, it delivers simultaneous GPS/Galileo simulation and reliable PVT testing.

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