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Author Topic: FORCE 12 XR5 antenna opinion ??? SWR on 10M ??  (Read 1309 times)
CT1EWX
Member

Posts: 10




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« on: March 31, 2013, 11:50:28 AM »

hello to all
I'm thinking of changing my antenna force12 C3, to the model XR-5.
I would like to know the views of colleagues who have the XR5.
what is the swr bands 15M 17M and 10M 21010.00,
18080.00 and 28010.00.on this antenna.
thanks for the help.
Sérgio Lopes
CT1EWX
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KU7I
Member

Posts: 123




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« Reply #1 on: April 01, 2013, 12:21:57 AM »

I used one almost daily for about 7 years at the Point Loma ARC W6RDF. It needed some tweaking to get the vswr curves where they should be on 15,12, and 10 meters. 20 and 17 meter vswr plots were fine. F-12 has an updated manual with improved dimensions since this is a known problem. The new owners addressed this issue and came out with the updated dimensions. Other than the vswr plots being off, which was fixable, the beam was a flame thrower. It is up at about 40 ft and just works and works and works. It is a bit heavy....maybe around 55 pounds or so and it is not that small....full size 2 element monobander for 20 - 10 meters. If you correct with the new measurements you can not go wrong but I would consider the hex beam over this. The XR-5 is very big and heavy. Someday I would like to do a comparison btwn the XR-5 and a hex beam at the same height a few hundred feet apart.


Lane
Ku7i
JH1JCM
US Naval Hospital
Yokosuka
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