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osqzss / gps-sdr-sim

Software-Defined GPS Signal Simulator
MIT License
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Explanation on path loss calculation #406

Open cl-cv opened 1 month ago

cl-cv commented 1 month ago

Hello,

I am looking for an explanation on how channel path loss is calculated in the following line:

// Path loss
path_loss = 20200000.0 / rho.d;

What is the significance of the constant? Can someone point me to a reference for this calculation?

Thanks

osqzss commented 1 week ago

It's the GPS constellation orbital altitude.