Q wrote:
> Its no wonder why the commercial antenna manufacturers dont sell dual band
> base antennas,they are a compromise at best and potential trouble at
> worst.The pattern on them is erratic and poor,they are prone to IM miximg
> and harmonic problems.There are other solutions,DB used to sell a combo
> V/UHF dipoles on one mast with separate feeds,could be diplexed on one
> feedline.I also heard certain VHF Satationmasters would work on UHF also,but
> have never tried or seen that one.Bottom line is dont mix bands on one
> antenna.
> 73,Lee,N3APP,147.27 and 443.375 Erie,Pa
> Our 27th Year! Powered by GE MastrII's
> FCC GROL licensed 28 years
> ARES-RACES-SKYWARN member
> www.qsl.net/n3app
>
A two-way shop here put a hospitals' UHF security repeater on an
existing VHF 4-bay left over from one of those 152.0075 paging
transmitters that was turned off. I'm assuming it was resonant. It did
sorta work, in that it could be used with a mobile from 20+ miles
away...but a portable in the hospital 5-7 floors down or more was
spotty. (We call that P-squared-D...piss-poor design)
--
Jim Barbour
WD8CHL
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