[time-nuts] GPS antenna setup: how good?
Hal Murray
hmurray at megapathdsl.net
Wed Mar 24 17:59:56 UTC 2010
How do I tell which of two setups is better? For example, how much does
adding a pie pan help?
Is there some simple parameter I can look at that tells me an antenna
goodness value? If not, what's a reasonable recipe to come up with a number
or compare two antennas?
What's the appropriate time scale to use when thinking about that problem?
I haven't (yet?) looked at any of the satellite position and signal strength
data.
Can I do something like wait until a satellite is about to go directly
overhead and plot the signal strength while occasionally swapping the
antennas? Are the signal strength readings reasonably noise free and/or
repeatable from run to run which may be a few days apart?
Assuming it goes high overhead, how long is a satellite within view?
(ballpark)
--
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