[time-nuts] Impact of GPS antenna height measurments

Bob Camp kb8tq at n1k.org
Sun Jun 26 12:57:01 EDT 2016


Hi

What are you using to determine the “correct” altitude of the antenna? In a lot of cases, the GPS
is more correct (relative to it’s specified ellipsoid) than the reference being used.

Bob

> On Jun 26, 2016, at 9:02 AM, Mark Barettella via time-nuts <time-nuts at febo.com> wrote:
> 
> Using auto survey mode my gps antenna height is significantly off.  I estimate my antenna’s actual height at about +5 m high and the gps indicates -17 m.
> My question is will this adversely influence the accuracy of the gpsdo output?  Would there be any benefit to adjust this manually via the scpi commands?
> 
> Thanks,
> 
> Mark
> 
> Windows 7 Pro SP1  64 bit
> 
> GPScon-JLT v 2.007
> 
> Fury firmware rev. 1.22 w/ M12M upgrade
> 
> PCTEL 8171D-HR-DH-W antenna
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