Long wire to SO-239 50 ohm?

January 25th 07, 03:06 PM posted to rec.radio.shortwave

David

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First recorded activity by RadioBanter: Jul 2006

Posts: 837

Long wire to SO-239 50 ohm?

On Thu, 25 Jan 2007 03:06:28 GMT, Telamon
wrote:

If you use a cable TV Balun you'll get a quick and dirty 4:1
transformer and a marked improvement.

http://www.radioshack.com/product/index.jsp?productId=2103912&cp=&sr=1&origkw=matchi ng+transformer&kw=matching+transformer&parentPage= search

Those don't work well below 10 MHz. 15 MHz and higher they are OK.

How do you know?

What is the low frequency limiting component?

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