[time-nuts] GPS fadeout
chris.kuethe at gmail.com
Wed Aug 22 01:39:28 EDT 2007
On 8/21/07, Björn Gabrielsson <bg at lysator.liu.se> wrote:
> Start logging a quality measure for each satellit vs time vs
> elevation&azimuth. There is always a message giving some kind of SNR.
> After a few days you should have a good "map" of what sky positions get
> through to your receiver and what the normal "quality" is at each
If you're already running gpsd with a receiver, you can generate such
a map with 24hrs of "Y" messages. I've put up a few examples and a php
script to do this: https://www.mainframe.cx/skyviews/
GDB has a 'break' feature; why doesn't it have 'fix' too?
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