[time-nuts] Rooftop antenna and splitter
Gary E. Miller
gem at rellim.com
Tue Apr 30 23:21:55 UTC 2019
Yo All!
On Tue, 30 Apr 2019 22:52:26 +0000 (UTC)
Taka Kamiya via time-nuts <time-nuts at lists.febo.com> wrote:
> Yes, I saw your particular mention of survey antennas. My concern
> was that multi-path will affect any setup.
The best explanation I have seen is here, with lots of pretty graphs:
https://www.u-blox.com/sites/default/files/products/documents/GPS-Antenna_AppNote_%28GPS-X-08014%29.pdf
The %28 is a "(' and the %29 is a ')'
See section 5. Especially this: "A good allowance for ground plane size
is typically in the area of 50 to 70 mm2."
RGDS
GARY
---------------------------------------------------------------------------
Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
gem at rellim.com Tel:+1 541 382 8588
Veritas liberabit vos. -- Quid est veritas?
"If you can’t measure it, you can’t improve it." - Lord Kelvin
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