Sylphase SDGPS
The software-defined GPS(/GNSS) toolkit
observables

Observables is the same as cooked, except that instead of GNSS correlations, we have white (uncorrelated) observations from maximal integrations (which means one observation packet every nav bit)

done by using same format, but just omitting GNSS correlation packets and adding observation packets

The observables interface is similar to cooked, except the correlation packets have turned into observables packets. The new packet is as follows:

  • GNSSObservationPacket contains:
    • Space Vehicle number
    • Time/Position/Velocity of the space vehicle when the received signal was sent
    • Carrier Phase
    • Doppler Shift
    • Pseudorange
    • Carrier to Noise Ratio

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JSON schema representations: Config | Packet