Modernized GPS

Modernized GPS Testing

The current GPS constellation is undergoing modernization with the addition of new Block IIR-M satellites which include new military M-code signals on the L1 and L2 frequencies and a new L2C civilian signal on the L2 frequency.

Because the modernized signals will not be fully implemented for some time, receiver testing with satellite signal simulators is essential. This flexible test approach offers full control over signal parameters and allows for repeatability and consistency between trials.

Spirent simulators enable MGUE receiver testing well in advance of the full constellation. Spirent offers a range of M-code test capabilities in compliance with ICD-GPS-700. In addition, Spirent L2C signals are fully compliant with ICD-GPS-200.

The next generation satellites are also introducing an additional civilian frequency, L5. The L5 signal will make GPS a more robust navigation service by further mitigating RF interference and reducing errors due to the ionosphere. This signal will be transmitted by Block IIF and subsequent generations of GPS satellites.

Spirent simulators provide GPS L5 signals per ICD-GPS-705 standalone, or in addition to GPS L1 and L2 for fully modernized GPS receiver testing.
The GSS8000 GNSS Constellation Simulator supports modernized GPS receiver testing

GSS9000, the most comprehensive GNSS constellation simulator.

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