[Johnson] JOHNSON KW MATCHBOX

[radio]

It worked great.  He added a large Hi Power transmitting cap, and it didn't
change his Matchbox at all.  His call is WB0BBM if you want to ask him.
73,
Paul, W9PJ
----- Original Message ----- 
From: "C E" <catman351 at yahoo.com>
To: <radio at inwave1.com>; <johnson at mailman.qth.net>
Sent: Tuesday, December 05, 2006 12:57 PM
Subject: Re: [Johnson] JOHNSON KW MATCHBOX


> So about the ham that you know who did this and used
> the internal antenna relay to switch in the extra
> capacitance, added a line cord, and just plugged it
> in...or used an inline switch to operate 160...
>
> Was it good or was it not? What was the result? Did he
> like his operation or did he confine his matchbox to
> the junkpile because it didn't work? Inquiring minds
> want to know...
>
> Cal, N6kYR/8
> --- radio <radio at inwave1.com> wrote:
>
>> I know a ham who did this and used the internal
>> antenna relay to switch in
>> the extra capacitance, added an line cord, and just
>> plugged it in...or used
>> an inline switch to operate 160.
>> Paul, W9PJ
>> ----- Original Message ----- 
>> From: <w4pnt at highspeedlink.net>
>> To: <boatanchors at listserv.tempe.gov>;
>> <boatanchors at mailman.qth.net>;
>> <johnson at mailman.qth.net>
>> Sent: Tuesday, December 05, 2006 8:44 AM
>> Subject: [Johnson] JOHNSON KW MATCHBOX
>>
>>
>> > Morning AM'rs
>> >
>> > The modification to a Johnson KW matchbox for
>> 160m.......
>> >
>> > Seems a long time ago someone @ Johnson factory
>> did an addendum on this
>> > but it never got in print. This I found in a
>> manual I got from a friend &
>> > he drew out by hand what he had seen & done to his
>> matchbox.
>> >
>> > The modif consists of two large RF caps (I used
>> mica) of 400pf @ 3kv, 5 rf
>> > amps, one on one side if C-1 to ground & the other
>> on other side to
>> > ground, switched in by a quality, beefy relay
>> while on 80m position.
>> >
>> > Thats a all there is to it. I can tune 160m no
>> problem just as if I were
>> > on any other band. Of coarse, I switched the relay
>> via outboard switching
>> > so as not to drill a hole the nice panel.
>> >
>> > Hope this helps some of you.......
>> >
>> > Warm regards
>> > Dee
>> >
>> >
>> > Johnson mailing list
>> > Home:
>> http://mailman.qth.net/mailman/listinfo/johnson
>> > Help: http://mailman.qth.net/mmfaq.html
>> > Post: mailto:Johnson at mailman.qth.net
>> >
>> >
>>
>>
>> Johnson mailing list
>> Home:
>> http://mailman.qth.net/mailman/listinfo/johnson
>> Help: http://mailman.qth.net/mmfaq.html
>> Post: mailto:Johnson at mailman.qth.net
>>
>
>
>
>
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