Towertalk
[Top] [All Lists]

[TowerTalk] Trimming 75 ohm hardline

To: <towertalk@contesting.com>
Subject: [TowerTalk] Trimming 75 ohm hardline
From: n4zr@contesting.com (Pete Smith)
Date: Thu, 14 Jan 1999 12:26:43 +0000
At 06:04 AM 1/14/99 -0500, w8ji.tom wrote:
>
>I agree with Dave's suggestion!!
>
>> Rather than using swr, I think it would be more accurate to use
>> the impedance method described in the RF-1 manual. Put a temporary
>> short on the far end, and adjust the frequency of the RF-1 until
>> you see minimum Z.
>> 
Actually, wouldn't it be better to leave the far end open, so that you only
get Z minima at 1/2 wave intervals?  That's the way the graphic in the
Autek manual appears to recommend, even though the text talks about having
it shorted.

73, Pete Smith N4ZR
n4zr@contesting.com 

Loud is good.

--
FAQ on WWW:               http://www.contesting.com/towertalkfaq.html
Submissions:              towertalk@contesting.com
Administrative requests:  towertalk-REQUEST@contesting.com
Problems:                 owner-towertalk@contesting.com
Search:                   http://www.contesting.com/km9p/search.htm


<Prev in Thread] Current Thread [Next in Thread>