what is the difference between SNR due to GPS L1 signal and L2 signal for Block IIR-M satellites?
Dear Gunti,
in General, SNR value for L2 signal is lower tha L1 signal,
In my case with ASTECH proflex500 and LEIAX1203+GNSS antenna, the differences is about 15 to 18 dBHz.
of course that the SNR is depends on which receiver and antenna that you use, as well as the condition of surrounding (obstruction, etc)
Thank you Mr. Brian Bramanto.
As per your answer I understood that S2 (SNR due to L2) is lower than S1(SNR due to L1) in the case of Block IIR-M satellites.
Is the same thing valid for Block IIR satellites??
I just need which one is higher among S1 and S2 in the case of Block IIR-M and
Block IIR satellites.
Magnitude of variation is not mandatary.
SNR is related to the received power that depend to the transmit power and antenna gain of Tx,Rx and also to the frequency. SNR-L1 in s stronger then SNR-L2 because L1 freq > freq L2.please follow the link budget calculation for L1andL2 and see the difference in C/N0 that depend to SNR
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