On 12/21/2011 1:11 AM, Jim W7RY wrote:
> Are you using the same wattmeter? Or are you using the meter in each
> radio?
> 73 Jim W7RY
Jim,
I'm using and external SWR meter and can see the power cut back on 3
different rigs as the SWR climbs. Reflected power jumps way up.
Tony
>
>
> --------------------------------------------------
> From: "Tony" <dxdx@optonline.net>
> Sent: Tuesday, December 20, 2011 9:12 PM
> To: <towertalk@contesting.com>
> Subject: Re: [TowerTalk] SWR Problem Balun or lightning protection?
>
>> All,
>>
>> I bypassed the lghtning protection and the SWR problem is still
>> there. I installed a new coax connector on the shack side of the coax
>> as well.
>>
>> I still have to check the balun, balun leads and the coax-to-balun
>> connector. There's nothing else inline. The coax (Bury Flex) and
>> balun (3KW M2) were installed a few years ago.
>>
>> I just checked the system again with two different 100 watt rigs and
>> found that:
>>
>> - I can transmit for 2 or 3 minutes from a cold start before the SWR
>> starts to rise
>> - the SRW returns to normal 30 seconds after I stop transmitting
>> - it takes a lot less time for the SWR to rise after the 30 second
>> rest period
>>
>> I did replace the ground wires with copper strap a few months ago,
>> but I haven't made any other changes to the tower and antenna system.
>>
>> Why do these things always happen during the winter ; )
>>
>> Tony, K2MO
>>
>>
>>
>>
>>
>> _______________________________________________
>>
>>
>>
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>
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