[ntp:questions] how do you like the Trimble Resolution T
David J Taylor
david-taylor at blueyonder.co.uk.invalid
Thu Mar 1 07:35:10 UTC 2012
"unruh" <unruh at invalid.ca> wrote in message
news:EOy3r.7458$_63.7189 at newsfe19.iad...
> On 2012-02-29, Richard B. Gilbert <rgilbert88 at comcast.net> wrote:
>> The last time I heard there were something like 27 GPS satellites in
>> service. There are usually something like 8 satellites above the
>> horizon. Enough for most purposes!
> I have records from about 38 satellites all of which were tracked at one
> time or another by my system.
Satellites come and go, as old ones are replaced with newer. You may also
have records of the EGNOS/WAAS signals sent from geostationary satellites
to improve GPS accuracy. Look for PRNs over 32.
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