On 2014-01-16 20:29, Hal Murray wrote:
[email protected] said:
The real benefit of dual-frequency is you can do post-processing with PPP.
Javad has some modules but they start at 3 kUSD - if anyone knows of hobby
level priced L1/L2 receivers that can produce rinex-files for PPP processing
that would be interesting!
Has anybody considered doing it in software?
If I wanted to play with that sort of stuff, is there any particular SDR
hardware package/project that would good to start with?
Well, considering that you will need to get the P(Y) signal at 10,23
Mchip/s on both L1 and L2, requiring say 40 Msamples/s for both
frequencies, and that you will need to do it for say 12 channeles and a
bit of interesting processing beyond doing the same amount of channels
for the C/A code, it will be an interesting challenge to do that in CPU
code, rather than doing the "baseband-processing" in some form of
hardware/FPGA.
Cheers,
Magnus
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