I am also a fan of roof mounted verticals when you have limited space.
The biggest headache I have encountered was tuning all the radials for
each band. I have a SteppIR BiggIR roof mounted) The one gotcha I ran
into was last winter when it snowed. All the tuned radials became non
resonant and my vertical was lost for the winter months.
If you don't have significant roof snow cover, go for it!
Ed
VE4EAR
-----Original Message-----
From: towertalk-bounces@contesting.com
[mailto:towertalk-bounces@contesting.com] On Behalf Of K2EK@aol.com
Sent: November 10, 2007 11:43 AM
To: towertalk@contesting.com
Subject: Re: [TowerTalk] 40 mtr vertical in the city
I agree that on the roof with resonant radials or on the ground with a
lot
of radials will both work well.
Another affirmative roof mount vote. I put up a 1/4 vertical for 17M
on my
roof to work the Swains Island DX-pedition. Pretty much a 30 minute BY
fire
drill when I saw a spot and had no other antenna... It included 5 1/4
wave
radials tacked to the roof. Got Swains and just about everything else
I've heard
on 17 since then. 40 meters might require a bit more care than I put
into
the installation.
Good luck... there is always a way to get out...
Bill
K2EK
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