[Antennas] scanner antenna

[DWAVE35 at aol.com]

In a message dated 4/6/2009 12:00:12 PM Central Daylight Time, 
greenacres113 at charter.net writes:

> At a yard sale this past weekend I bought a Radio Shack 20-176a scanner 
> antenna. I  measured the vertical element & radials which turned out to be apx 
> 19''. A quarter wave on 2M. Just for fun I used my MFJ249 & it's resonate at 
> 147mhz. Under 1.75 over the 2M band. I wouldn't want to apply a lot of RF to 
> this thing but a few watts might be OK. It might  make a good "storm" antenna 
> during bad WX using my HT. Anyone out there  ever use one of these on 
> transmit ?

I have two of those antennas at my summer condo on the lake and like you, I 
put my MFJ-249 on it. One got cut down for approx 159 to split the difference 
between the Marine and Railroad bands and the other is still on 2M.

It's basically a 2M 1/4 wave with two extra UHF 1/4 wave rods at the top to 
go with the VHF one, so it's going to work pretty much like any 2M ground plane 
with three sloping radials.

The insulator and spacing are both good enough that I wouldn't worry about 
running 25 or 50 watts to it and I have on Marine and 2M with no problems.

Brian


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