That's why I don't use the amp much, and when I do, I find a clear frequency 
to tune up.

----- Original Message ----- 
From: "Steve Forst" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, October 20, 2009 6:10 PM
Subject: Re: Amplifiers and SWR.


> Hi Rick,
>
> I would really recommend that you pick up a dummy load that can handle the
> power from the amp.   Tuning up on the air only pisses people off and 
> just
> makes QRM for others.   It can also be helpful in  trying to sort out
> station problems like swr, rfi, and other stuff.
>
> I kind of thought it was you that had  fluctuating swr on the vertical a 
> few
> weeks ago.  If you took some things  out of line and then put them back in
> line and all seems good now, maybe you can isolate the problem to the 
> things
> you were messing with.   Maybe a loose connection on something that got
> tightened   properly the second time around, or maybe a       bad 
> connector
> or jumper that just happens  to be in a good spot right now.
>
> Good luck, hope to work you sometime, Steve KW3A
>
>
> ----- Original Message ----- 
> From: "Rick" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Tuesday, October 20, 2009 3:21 PM
> Subject: Re: Amplifiers and SWR.
>
>
>> Hi steve.
>> Unfortunately I don't have a dummy load yet, so I don't use the amp much.
>> Yes the same thing happens on all bands.
>> Correct again on the antenna problem. smiles
>> I haven't done anything to the antenna yet, but I'm beginning to think
>> it's
>> a jumper coax problem.
>> I took the manual tuner and amp out of line, and hooked the automatic
>> tuner
>> back up.
>> I ran the auto tuner a week or two, and no problem
>> Yesterday I removed the auto tuner, and hooked the amp and manual tuner
>> back
>> up.
>> So far, so good.
>> I plan to change all the jumper coaxes as soon as I get new ones.
>> ----- Original Message ----- 
>> From: "Steve Forst" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Tuesday, October 20, 2009 1:00 PM
>> Subject: Re: Amplifiers and SWR.
>>
>>
>>> Rick,
>>>
>>> This isn't normal.  I often see the opposite:  Maybe a 1.4 swr on a band
>>> at
>>> low power and  see it drop a few points at high power.  Does it happen 
>>> on
>>> all bands?  Same result into a dummy load?   Did it just start doing
>>> this?
>>>
>>> I may have you confused with someone else, but didn't you have a problem
>>> with intermittent high swr on a vertical antenna not too long ago?  If 
>>> it
>>> was you, what was the final result and is it the same antenna  you have
>>> problems with now?
>>>
>>> Easy thing to do right off is to check all connections in the shack:
>>> rig,
>>> meter, tuner, amp, switches, etc.
>>> 73, Steve KW3A
>>> ----- Original Message ----- 
>>> From: "Rick" <[log in to unmask]>
>>> To: <[log in to unmask]>
>>> Sent: Tuesday, October 20, 2009 12:24 PM
>>> Subject: Amplifiers and SWR.
>>>
>>>
>>>> Hi list.
>>>> Using my TW-1 and MFJ versa tuner, I set my SWR as low as I can get it.
>>>> Say 1.01 to 1 on 20 meters. Then I tune the amp.
>>>> After tuning the amp I check my SWR again, and it's up to say 2.4 to 1.
>>>> Is this normal, and should I readjust the SWR again with the amp on?
>>>> Thanks in advance, and 7 3.
>>>>
>>