[TowerTalk] Tuner SWR won't stay down

mike repinski via TowerTalk towertalk at contesting.com
Thu Jan 1 23:58:51 EST 2015


 Could the antenna be changing somehow? Mike

 

 

-----Original Message-----
From: K0DAN <k0dan at comcast.net>
To: Tom Osborne <w7why at frontier.com>; towertalk <towertalk at contesting.com>
Sent: Thu, Jan 1, 2015 11:30 pm
Subject: Re: [TowerTalk] Tuner SWR won't stay down


Has same behavior on dummy load?

Try getting rid of all coax switches, surge suppressors, anything in the RF 
path to antenna, then swap out jumper cables & connectors.  I am thinking 
cable/connector issues in the RF path. It's possible the issues are not even 
located very near the tuner.

A puzzler for sure.

GL 73
dan
k0dan

-----Original Message----- 
From: Tom Osborne
Sent: January 01, 2015 22:00
To: towertalk at contesting.com
Subject: Re: [TowerTalk] Tuner SWR won't stay down

Hi Bob

No, it matches the antenna just fine.  SWR goes to zero.  Then it starts
to creep up after a few seconds.  Then I can re-tune it back to zero
again, but doesn't stay there.  Thanks and 73
Tom


On 1/1/2015 12:30 PM, W3YY wrote:
> The other tuner worked and your new MFJ didn't.  Sounds like whatever you
> are trying to match is outside the range of the MFJ, but OK with the other
> tuner you put in line.  Without further data, that's my initial 
> impression.
> GL.
>
> 73, Bob - W3YY

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