KT34 Triband Instructions wanted.

[Gregg R. Lengling]

Now that it awfully cold outside it's time to think about antenna work. My
KT34's SWR is great on 10 and 20 but the 15 meter match is at or above 3 to
1. Can't locate my assy manual (put it together over 23 years ago been on
the tower that long). Anyone have a copy out there they could scan in and
email to me.

Thanks in advance if you can help.

Gregg Lengling, W9DHI
http://forums.ham-radio.ch
http://www.milwaukeehdtv.org
 


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[brianboschma]

Gregg,

I have a manual.  I could xerox or scan and send via email....

I had a similar problem on my beam recently,  only during the rainy
season. A spider or bug had moved into a one of the transmission line
trap tuning capacitors and made a nice little home.   The way I located
the problem was disassembly of traps, starting on the driven elements to
the point of being able to isolate the coaxial capacitors. Then measured
their resistance, looking for something less that infinity on the
highest ohm scale of a digital volt meter ( I have a really great DVM
that can measure infinity !).  Sure enough the 2nd trap I pulled apart
exhibited a resistance somewhere below 100K ohms.  I opened the trap
plastic caps and found a wet gue inside.  

May I suggest that you start looking for any split or broken plastic
caps and begin the game with those sections. There are really only a
couple possiblities, high resistance contacts or weakly shorted traps.

Brian
n6iz

Gregg R. Lengling wrote:

> Now that it awfully cold outside it's time to think about antenna work. My
> KT34's SWR is great on 10 and 20 but the 15 meter match is at or above 3 to
> 1. Can't locate my assy manual (put it together over 23 years ago been on
> the tower that long). Anyone have a copy out there they could scan in and
> email to me.
>
> Thanks in advance if you can help.
>
> Gregg Lengling, W9DHI
> http://forums.ham-radio.ch
> http://www.milwaukeehdtv.org
>  
>
>
> ______________________________________________________________
> QRP-L mailing list
> Home: http://mailman.qth.net/mailman/listinfo/qrp-l
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
>  

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