Yeah, the SWR's have always been rather high up there for some reason,
but the antenna seems to tune anyway.
I guess I'm being a bit cautious because of Murphy's repeated visits here
lately. (smile)
Will give things a good run with the Pennsylvania QSO Party contest next
week-end.
73 from Tom Behler: KB8TYJ
----- Original Message -----
From: "Pat Byrne" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, September 28, 2011 10:35 PM
Subject: Re: Strange Power Readings With LDG TW1
> Tom,
> Have you ever checked the antenna at the high end of 75
> before? Perhaps it has always been high and worked just
> anyhow!! Perhaps sometimes a little knowledge is a dangerous
> thing!! And as long as the amp. sees a good load, there should be no
> problem.
> Pat, K9JAUAt 09:20 PM 9/28/2011, you wrote:
>> So, Steve, in your opinion, is it safe to use the antenna, even
>> though
>>it's obviously not very efficient on the higher part of 75 meters?
>>
>>Tom Behler: KB8TYJ
>>
>>----- Original Message -----
>>From: "Steve Dresser" <[log in to unmask]>
>>To: <[log in to unmask]>
>>Sent: Wednesday, September 28, 2011 10:07 PM
>>Subject: Re: Strange Power Readings With LDG TW1
>>
>>
>> > Tom,
>> >
>> > Those readings are meaningless because the auto-tuner is engaged.
>> > They're
>> > also meaningless because of the high SWR.
>> >
>> > Steve
>> >
>> > ----- Original Message -----
>> > From: "Tom Behler" <[log in to unmask]>
>> > To: <[log in to unmask]>
>> > Sent: Wednesday, September 28, 2011 20:27
>> > Subject: Strange Power Readings With LDG TW1
>> >
>> >
>> >> Hi, folks.
>> >>
>> >> Maybe I ought to go back to basic antennas 101 class, but I just found
>> >> out
>> >> something with my Carolina Windom 160 compact that doesn't quite make
>> >> sense
>> >> to me.
>> >>
>> >> I am testing out the antenna to see if water got back into it after
>> >> the
>> >> week
>> >> of rain we have had here, and I discovered some strange power readings
>> >> with
>> >> my LDG TW1 talking watt meter.
>> >>
>> >> Right now, my Carolina Windom, such as it is, seems to be resonant on
>> >> the
>> >> lower end of 80 meters--right around 3.600 MHZ.
>> >>
>> >> As expected, then, when I go to the upper phone part of the band, say
>> >> around
>> >> 3.976 MHZ, my sWR rises dramatically to a blistering 6.0 to 1.
>> >> (ouch!!!!!!)
>> >>
>> >>
>> >> Interestingly, though, the auto tuner in the TS590 tunes the antenna,
>> >> which
>> >> was a bit of a surprise to me.
>> >>
>> >> I then took some forward and reflected power readings with my TW1,
>> >> and
>> >> was
>> >> told that the forward power was 102 watts, while my reflected power
>> >> was
>> >> 52
>> >> watts.
>> >>
>> >> Again, this is with the auto-tuner engaged.
>> >>
>> >> Can someone tell me what is going on here?
>> >>
>> >> To be honest, I'm still a bit hesitant to use the Carolina Windom,
>> >> given
>> >> the
>> >> water problems I have had of late.
>> >>
>> >> Would this antenna be safe to use on the top part of 80 meters, since
>> >> the
>> >> auto-tuner clearly tunes it, or am I just kidding myself here.
>> >>
>> >> And, could I safely use this antenna on the upper part of 75 meters
>> >> with
>> >> my
>> >> Tentech 238A manual tuner and Ameritron
>> >> AL811H amplifier?
>> >>
>> >> I guess I'm now a bit gun shy.
>> >>
>> >> 73 from Tom Behler: KB8TYJ
>> >>
>> >
>
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