[time-nuts] GPS antenna in snowy environment

Attila Kinali attila at kinali.ch
Thu Aug 28 16:39:11 EDT 2014


On Thu, 28 Aug 2014 20:59:28 +0200
Magnus Danielson <magnus at rubidium.dyndns.org> wrote:

> > But the pipe is not such a good idea. All signals from high elevation
> > angle will have a long path trough the pipe, changing their phase
> > ever so slightly. How much, depends on the pipe, it's thiknes and material.
> > Whether it actually matters or not, depends on your requirements.
> 
> You naturally use calibration files for your antenna to compensate for 
> pseduo-range errors due to azimuth and elevation if you care to that level.

That raises the question how to get those calibration files.
Most of us do not have an anechoic chamber to characterize antennas,
much less the other equipment needed for this.


			Attila Kinali

-- 
I pity people who can't find laughter or at least some bit of amusement in
the little doings of the day. I believe I could find something ridiculous
even in the saddest moment, if necessary. It has nothing to do with being
superficial. It's a matter of joy in life.
			-- Sophie Scholl



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