[time-nuts] GPS altitude somewhat wrong?

Gary E. Miller gem at rellim.com
Thu Jun 9 13:23:46 EDT 2016

Yo Mark!

On Thu, 9 Jun 2016 16:56:12 +0000
Mark Sims <holrum at hotmail.com> wrote:

> You have to be careful with a lot of modern GPS receivers.   Many
> implement some sort of "position pinning".   If they do not detect
> significant movement,  they either stop updating the coordinates  or
> heavily filter it...  you do not see the actual computed location.
> On some receivers you have to move well over 10 meters before the
> position un-pins. ----------------------
> > CEP(95) of 1.5 meters over 1,000 seconds.

Yes, but this model Skytraq is designed for survey work.  So that mode
is selectable.

Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
	gem at rellim.com  Tel:+1 541 382 8588
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 473 bytes
Desc: OpenPGP digital signature
URL: <http://www.febo.com/pipermail/time-nuts/attachments/20160609/bad94738/attachment.sig>

More information about the time-nuts mailing list