Right on, Steve.

This is why it will be important to try Gerry's suggestion, just to 
eliminate those possibilities if nothing else.

Tom Behler:  KB8TYJ

----- Original Message ----- 
From: "Steve Dresser" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, November 16, 2011 1:01 PM
Subject: Re: TS590 internal watt and SWR meter VS LDG TW1


> If things change, you've either got a problem with your TW-1, or a bad
> cable.
>
> Steve
>
> ----- Original Message ----- 
> From: "Gerry Leary" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Wednesday, November 16, 2011 08:00
> Subject: Re: TS590 internal watt and SWR meter VS LDG TW1
>
>
>> If you can, take the TW1 out of the circuit and see if the kkenwood meter
>> changes after that.
>> ----- Original Message ----- 
>> From: "Tom Behler" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Tuesday, November 15, 2011 4:32 PM
>> Subject: TS590 internal watt and SWR meter VS LDG TW1
>>
>>
>>> Hi, all.
>>>
>>> As I have been working on tuning my newly-installed 160 meter half 
>>> sloper
>>> antenna, I have noticed something interesting, when comparing the SWR's
>>> on
>>> 160 meters that are given to me by the TS590 internal meter, and the LDG
>>> TW1
>>> talking watt meter.
>>>
>>> What I have noticed is that the TS590's meter gives me a 5 to 1 SWR at
>>> the
>>> top and bottom of the band, with the lowest SWR at about 2.0 to 1 around
>>> 18.300 or 18.400 MHZ.  Also, the TS590's internal auto-tuner seems to
>>> tune
>>> the antenna from the top to the bottom of the band with no problem.
>>>
>>> Interestingly, though, my TW1 starts out ok with farily similar readings
>>> to
>>> those given by the TS590's internal meter, but as I get to the top of 
>>> the
>>> band, its SWR readings shoot up to about 12 or 13 to 1, in comparison to
>>> the
>>> 5 to 1 given by the TS590's internal meter.  All readings are taken with
>>> the
>>> TS590 auto-tuner in the off position, and with an output power of
>>> approximately 30 watts.
>>>
>>> Would anyone have an explanation for these variations I am seeing?
>>>
>>> I do not seem to notice this much of a variation on other bands.
>>>
>>> As a side note, due to the fact that the MFJ 259B analyzer I am 
>>> borrowing
>>> gets confused because of the A M broadcast station in my area, I 
>>> honestly
>>> don't know what the resonant frequency of the antenna is, but I think I
>>> am
>>> reasonable in saying that it's probably not too far from 18.300 or 
>>> 18.400
>>> MHZ.
>>>
>>> 73 from Tom Behler:  KB8TYJ
>>
>