[Elecraft] Antenna switching [K3]

David Ferrington, M0XDF M0XDF at Alphadene.co.uk
Wed Jan 28 17:17:55 EST 2009


So is a KRC2 in order?
73 de M0XDF, K3 #174
--  
Don‘t complain. Nobody will understand. Or care. And certainly don‘t try
to fix the situation yourself. It‘s dangerous. Leave it to a highly
untrained, unqualified, expendable professional.

On 28 Jan 2009, at 22:14, WILLIS COOKE wrote:

> Mike, take a look at Array Solutions and see if they don't have an  
> offering that either fits your needs or gives you some ideas to work  
> with.
>
> Willis 'Cookie' Cooke
> K5EWJ
>
>
> --- On Wed, 1/28/09, Mike Scott <mike at paxsen.com> wrote:
>
>> From: Mike Scott <mike at paxsen.com>
>> Subject: [Elecraft] Antenna switching [K3]
>> To: Elecraft at mailman.qth.net
>> Date: Wednesday, January 28, 2009, 12:30 PM
>> I put up a vertical yesterday to begin playing with
>> diversity mode.
>>
>> When I installed the sub receiver I opted to connect the
>> Aux RF BNC
>> connector. Now I am not sure I made the right decision for
>> me as I want to
>> be able to easily switch transmit and receive antennas. Of
>> course then my
>> 20M dipole and my 6 M vertical would be just sitting there
>> unconnected and
>> to switch bands I have to plug new cables in. I have more
>> antennas planned
>> for the future and I may try some kind of low noise
>> receive-only antenna.
>>
>> In the old days a simple antenna switch would be all I need
>> but now I have
>> multiple simultaneous antennas to switch and I need to make
>> sure I don't
>> transmit out of Antenna 1 into the Aux Rx port ;-)
>>
>> So now I am considering building some kind of well isolated
>> Antenna switch
>> matrix. I am interested in what others are doing. If I use
>> relays, how does
>> one build for good cross-talk isolation between antennas?
>> Maybe all I need
>> is two or three simple antenna switches.
>>
>> Mike Scott - AE6WA
>> Tarzana, CA (DM04 / near LA)
>> K3-100 #508/ KX1  #1311
>>


More information about the Elecraft mailing list