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Author Topic: New rotatable dipole.  (Read 395 times)
KD0AFK
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Posts: 245




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« on: October 23, 2007, 06:18:00 PM »

I just finished building my rotatable dipole as per K8BP in the May 2007 issue of QST magazine. It uses two of the MFJ-1954 10' telescopic whips. I changed a few things such as the way the parts go together. I substituted screw fittings for the sheet metal screws for durability. I still have to put a balun on it and for now I am using an air balun made of wound coax but as soon as I can get some toroids I am going that route. I put it up for the first time today and right away I was able to compare it to my tarheel in that I could pick up stations that I can't with my tarheel. Kind of wish I could leave it mounted when I drive but I don't think it would survive an encounter with a bridge.
And don't worry, K0BG, I take it down when I drive. (sorry, I just couldn't resist)
Here is a photo of it mounted.
http://img155.imageshack.us/img155/1091/picture022ng3.jpg
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N3OX
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« Reply #1 on: October 23, 2007, 09:15:24 PM »

Very cool, bet you'll make a ton of contacts on that one.



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73,
Dan
http://www.n3ox.net

Monkey/silicon cyborg, beeping at rocks since 1995.
K5LXP
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« Reply #2 on: October 24, 2007, 06:21:17 AM »

What band(s) is it for?

Mark K5LXP
Albuquerque, NM
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KG4RUL
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« Reply #3 on: October 24, 2007, 08:01:04 PM »

I saw one of those being used at one of our area JOTA sites for a PSK31 station.  A lot of fussing to get the original tuning set up.
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