There was a company called ZD Engineering(W8ZD) that made them for
2,222,432, and 1296.I "Googled" it and didn't find a company web page. There
is info on how to make the matching transformers on the Repeater Building
page by W3KKC.I have used it on 6 and didn't use transformers. I would on 2
and above.
Joe W4AAB
----- Original Message -----
From: "Ed Stallman" <n5blz@ev1.net>
To: <vhfcontesting@contesting.com>
Sent: Saturday, July 22, 2006 3:14 PM
Subject: [VHFcontesting] impedance transformer
> Hello Group, I ran two length of 3/4 inch 75 ohm CATV cable 200 foot each
> to my newly installed tower. one each for 6 and 2M ! What I'm looking for
> is an impedance transformer to match my radio/antenna, I believe a 62 ohm
> transformer. I remember seeing these somewhere made from copper water
pipe,
> I think they were 1/4 WL? I've searched on the internet with no luck! can
> someone point me in the right direction with a URL or publication, ARRL
VHF
> book. even the formula would be helpful for knowing the outside and inside
> diameter of the tubing.
>
> Thanks Ed N5BLZ
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