CQ-Contest
[Top] [All Lists]

Re: [CQ-Contest] Bandpass filter

To: Jukka Klemola <jpklemola@gmail.com>
Subject: Re: [CQ-Contest] Bandpass filter
From: Martin Durham <w1md@cfl.rr.com>
Date: Fri, 6 Jul 2012 06:14:15 -0400
List-post: <cq-contest@contesting.com">mailto:cq-contest@contesting.com>
One coax to the antenna...  It is designed for (and tested at) 1500w per band. 

MD

Martin Durham
System Engineer, Harris corp.
Mdurham@harris.com

Sent from my iPad

On Jul 6, 2012, at 5:00 AM, Jukka Klemola <jpklemola@gmail.com> wrote:

> Cool if you used one coax for all three 800W radios .. did you ?
> 
> Even such triplexers can be done with careful design and then pruning
> the Farads, Henrys and walls in the box.
> 
> 
> I think there was a 100W grade one coax triplexer in QST or QEX not so long 
> ago.
> 
> 
> 73,
> Jukka OH6LI
> 
> 
> 2012/7/6 Martin Durham <w1md@cfl.rr.com>:
>> We ran 3 K3's into a C31XR with approx.. 800W from each 'band'...only 800w
>> because we were AC limited at the QTH. A custom highpower TRI-plexer was
>> built and used on the C31XR. It worked amazingly well...ran ARRL CW this
>> past spring as PJ4X...
>> 
>> The tri-plexer is 'not' your average 'build at home' affair...and it is NOT
>> cheap...but it works. :)
>> 
>> Interesting thread.
>> 
>> 73,
>> 
>> Marty
>> W1MD
>> 
>> 
>> -----Original Message-----
>> From: cq-contest-bounces@contesting.com
>> [mailto:cq-contest-bounces@contesting.com] On Behalf Of Keith Dutson
>> Sent: Thursday, July 05, 2012 9:21 AM
>> To: 'Timothy Coker'
>> Cc: 'Tom W8JI'; cq-contest@contesting.com
>> Subject: Re: [CQ-Contest] Bandpass filter
>> 
>> Did not realize you were using a C31XR.  I would not have guessed a
>> situation like this where two rigs were connected to the same antenna.
_______________________________________________
CQ-Contest mailing list
CQ-Contest@contesting.com
http://lists.contesting.com/mailman/listinfo/cq-contest

<Prev in Thread] Current Thread [Next in Thread>