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Re: [TowerTalk] [Bulk] Re: antenna choices for K4XS

To: "towertalk@contesting.com" <towertalk@contesting.com>
Subject: Re: [TowerTalk] [Bulk] Re: antenna choices for K4XS
From: Markku Oksanen <ww1c@outlook.com>
Date: Mon, 13 Apr 2015 07:40:42 +0000
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
On "Low Performance Trap Antennas" :  Is it really known what is the cause for 
the apparently very large difference between a correctly designed trap beam, 
say a TH6DXX or similar and one of the not so good performers?  Trap loss can't 
be a big part because even relatively low power loss at a given trap, say 50 W, 
will burn the thing very quickly.  Assume 3 elements, 6 traps that get exposed 
on a given band and -3dB gain compared to better beam, this would be some 
1500/2/6 watts, a lot of watts per trap.  Even it not this much just loss, 
there would be ample power to melt the insides of the trap.
MarkkuOH2RA/WW1C                                          
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