Re: [Discuss-gnuradio] grGPS Preliminary Schematic

[David Bengtson]

Matt Ettus wrote:
> > You may well be able to do it with the DBS board. However, GPS is a
> > pretty weak signal, and I suspect that the noise figure is too high.
>
>
> The DBS board has about a 3-5 dB noise figure as I recall, but that
> doesn't really matter.  Nearly all GPS antennas have their own LNAs
> inside, so noise figure after all that gain (usually 20 to 40 dB)
> doesn't make any difference.
>
> Matt

Then you should be able to get GPS from a DBS board using an external 
LNA/Antenna combination. The software is left as an exercise for the 
student :-).