Ive found that it is sometimes beneficial to be able select more than one
Beverage at a time especially in a contest or during fluctuating skewed path
conditions.
Carl
KM1H
----- Original Message -----
From: "Joe Subich, W4TV" <lists@subich.com>
To: "Dave G4GED" <radiodave.g4ged@tiscali.co.uk>; "[Topband]"
<topband@contesting.com>
Sent: Friday, December 30, 2011 4:00 PM
Subject: Re: Topband: RX antenna switch
>
> Interlocked switches should not be necessary for receive applications.
> If by interlocked you're looking for a way to deselect one antenna
> when selecting the next, check K1TTT's web site. Dave had a push
> button controller that would release previously selected antennas
> when making a new selection. I haven't looked for it recently so you
> may need to do some digging.
>
> 73,
>
> ... Joe, W4TV
>
>
> On 12/30/2011 3:27 PM, Dave G4GED wrote:
>> ----- Original Message -----
>> From: "Brian Moran"<brianmo@yahoo.com>
>> Here's one that works for TX& Rx.
>> http://www.qsl.net/k5lxp/projects/CoaxSwitch/CoaxSwitch.html With
>> lockout,
>> etc. A homebrew version of the '6 pack' kind of box from array solutions.
>> I
>> have the Array Solutions one, and it works great.
>> - Brian N9ADG
>> ________________________________
>>
>> Thanks Brian for the submission which I'm sure admirably suits selection
>> of
>> TX/RX antennas perhaps for selection of different bands etc.
>> If I've read it correctly, the antennas are selected by rotary switches.
>> The primary need for selection of RX antennas on TopBand is to be able to
>> switch from any one to any other instantly without the tedium and
>> confusion
>> of having to spin a rotary switch back and forth whilst trying to find
>> best
>> copy out of an extreemly weak signal down in the noise.
>> A matrix of "quiet" interlocked push button switches would be ideal,
>> which
>> require just one push to instantly change from any one antenna to any
>> other.
>> Unfortunately, they're not easy to come by these days which is why I'm
>> thinking of a relay based solution. There's undoubtably software
>> solutions
>> available to do this but I'm afraid that's out of my league, unless
>> someone
>> here can pull a design out ready made for DIY!
>> Cheers Dave
>>
>> _______________________________________________
>> UR RST IS ... ... ..9 QSB QSB - hw? BK
>>
> _______________________________________________
> UR RST IS ... ... ..9 QSB QSB - hw? BK
>
>
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_______________________________________________
UR RST IS ... ... ..9 QSB QSB - hw? BK
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