Old 02-28-12, 08:03 AM
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The Chemist
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Originally Posted by sjvcycler View Post
Weather really does not affect GPS. Solar flares will. You really have to figure out how many sats are overhead if you have bad problems during certain parts of the day. Do not turn your GPS unit on until you get outside. I know many poeple say to stay still to get a fix but I don't see any difference. I also live in central CA and its flat and open to space most everywhere.

http://www.gpsinformation.org/dale/gpsfix.htm
http://gpsinformation.net/gpsclouds.htm

If you really want to nerd out, you can mission plan.
http://www.gpsworld.com/survey/satel...-planning-8635
Haven't noticed any trouble with my eTrex 30 recently - still picks up a signal within 30 seconds of turning on, even in my crowded residential compound surrounded by 12 storey buildings. I think the fact that my receiver picks up GLONASS as well as GPS helps acquisition time, though.
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