[time-nuts] Effects on GPS antenna performance due to installation proximity of second antenna

Bob kb8tq kb8tq at n1k.org
Sun Nov 24 01:23:03 UTC 2019


Hi

Most of what you see suggests > 10’ / 3M between GPS antennas. They seem to be concerned about 
a variety of things. Exactly how those concerns translates into the magic distance has always been a 
bit obscure. 

Bob

> On Nov 23, 2019, at 7:07 PM, JAMES ROBBINS <jsrobbins at earthlink.net> wrote:
> 
> I would appreciate feedback on the question of the ill effects (if any) of mounting two GPS antennas in proximity to one another. I am intending to mount a 58532A L1 antenna and a L1/L2 antenna on the same mast on my roof separated by around 1-2 feet. I have attached a photo to show the intended installation.  (Mast is clamped into the right side aluminum channel.) My concern is “shading” of one antenna over the other.  Thanks for the consult.
> 
> Jim Robbins
> N1JR
> 
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