[OSM-talk] EGNOS

Barnett, Phillip PHILLIP.BARNETT at ITN.CO.UK
Mon Oct 5 16:39:07 BST 2009


Yes, I get it sometimes.
I guess the GPS receiver is trying to tell you that you are picking up the geostationary satellite that's transmitting corrections, and that IF you were picking up a GPS satellite that is theoretically available according to the downloaded ephemeris (but you're not actually picking up because of trees etc) then you'd be getting differential measurements off it.
That's just a guess - it's a while since I looked at this last so my memory may be wrong.




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-----Original Message-----

From: talk-bounces at openstreetmap.org [mailto:talk-bounces at openstreetmap.org] On Behalf Of Dave F.
Sent: 05 October 2009 16:05
Cc: OSM-Talk
Subject: Re: [OSM-talk] EGNOS

Barnett, Phillip wrote:
> You can tell when it's working as some of the satellite reception bars will have a capital D above them.
>
Is that correct?
I sometimes get the D's displaying even if I have no reception (no bar
showing).
I've got a Garmin GPSmap 60C. Any body else get that quirk?

Dave F.



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