TIP: Click on subject to list as thread! ANSI
echo: scanners
to: BILL CHEEK
from: TONY SZABLOWSKI
date: 1996-10-08 23:43:00
subject: Antenna Mounting

-> And so it is that any two antennas in close proximity with each
-> other WILL interact to produce some effect, typically undesirable.
-> Antennas in the same horizontal plane (side by side) will "skew" the
-> radiation patterns to favor some directions at the expense of
-> others.  Antennas in the same vertical plane (over & under) will
-> pull the horizontal radiation pattern up and down to re in reduce
-> performance out to the horizons.
Right now I've got my discone scanning antenna about 3' below and
10-15' away from my GMRS antenna.  Would this my proximity be damaging
to the receive\transmit capabilities of the GMRS antenna?
-> Antennas within  1 wavelength of each other WILL affect each other.
-> Between 1 and 3 wavelengths, the effects are less.....perhaps
-> tolerable by the scannist, and beyond 3 wavelengths, there is no
-> measurable effect.
I'm tired off my but Bill, so forgive me, but what do you mean by
wavelengths?  The actual signal wavelength either coming in or going out
of the antenna?
-> I wrote an article for a coming issue of Monitoring Times that
-> explains this in more detail and describes how one might take
-> advantage of the effect.
Ahh, I will look for it.  Thanks Bill.
Tony
--- Platinum Xpress/Wildcat! v1.2L
(1:2630/122)
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