[TowerTalk] KT34A M2 Upgrade 15 meters Issue

Steve London n2icarrl at gmail.com
Thu Mar 27 10:47:21 EDT 2008


Ever since I had a problem after converting my KT34XA to a KT36XA, I have been 
collecting KT34XA/KT36XA element resonant frequency data from various sources. 
The results (which now include K1KP's data) can be downloaded from: 
http://www.kkn.net/~n2ic/kt36xa.xls .

My measurement technique was to remove each element from the boom and suspend it 
about 15 feet off the ground. For each element, I opened up the center straps so 
that it looked like a center-fed dipole. For the driven elements, I removed the 
balun. I connected a Palomar noise bridge mounted at the center of each element 
with lead lengths as short as possible. I tuned to the frequency that the 
reactive component was 0.

As to your 15 meter problem, I would recommend adjusting the reflector 
dimensions to bring the resonant frequency down below the band.

73,
Steve, N2IC


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