[FOSS-GPS] RTKPLOT SNR plotting

[Felipe G. Nievinski]

I don't think it's implemented, and I think if it were, the resulting plot
would be disappointing, as the SNR flag goes through heavy quantization --
essentially a nine-step ladder figure.  For anything useful, your best bet
would be obtaining access to the original data in binary proprietary format
and convert to RINEX again, with the proper SNR observable in place.
-F.


> Date: Mon, 7 Dec 2015 10:35:56 +0100
> From: Greger Burman <gb at moroco.se>
>
>
> Is it possible to have RTKPLOT plot the SNR flag values?
>
> I am using RTKPLOT 2.4.2p11. I open a RINEX receiver observation file which
> has observation types L1, L2, C1, P2, D1. It does not however contain S1 or
> S2. All other plots are working fine, but the sadly SNR plots are empty.
> The RINEX file does contain SNR flag values (1-9) for L1 and L2. Would it
> be possible to plot these values?
>
> >From the RINEX header:
> SNR is mapped to RINEX snr flag value  [1-9]               COMMENT
> L1 & L2:  2-19 dBHz = 1; 20-27 dBHz = 2; 28-31 dBHz = 3    COMMENT
> 32-35 dBHz = 4; 36-38 dBHz = 5; 39-41 dBHz = 6    COMMENT
> 42-44 dBHz = 7; 45-48 dBHz = 8; >= 49 dBHz = 9    COMMENT
>
> //Greger
>
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