[Elecraft] OT: question re: antenna/rig swtich

[KC9QQ]

You may want to check out the products from TopTen.  They are a little
pricey, but they are what are used by many of the Multi-Multi contest
stations to share six antennas with 6 high power operator stations.  I just
purchased one of their A/B switches to switch a single antenna between my K2
and Pro III.  It provides 80 db isolation and uses interlocked relays to
avoid the possibility of a relay failure allowing power to allow transmitter
power to flow back into the rig not being used.  

If you look at the application note one their site, it shows a setup very
similar to what you describe.

Here is the link to the site:   http://www.qth.com/topten/abss.htm
http://www.qth.com/topten/abss.htm  

Fred, KC9QQ



Greg Buhyoff wrote:
> 
> Group,
> 
> This is off topic and I would deeply appreciate any responses to be
> sent to me off list.  I am posting here because I respect the
> knowledge and experience of the people who are members of this
> reflector.
> 
> This may sound stupid but I have not had experience with this before,
> so I ask before I do something stupid.
> 
> I use an external antenna switch mounted on the outside wall of my
> house to switch in one of six antennas and have a single coax line
> coming into the radio room.   I now have four separate radio stations,
> 2 K3s and two other radios, all set up differently for different types
> and modes of operation.  All have amps in line that can be used when
> needed -- one a KW and the others 750w output.  Currently I manually
> attach the output coax for the station I want to use to the coax lead
> coming into the house from the external switch.  A pain.
> 
> I want to be able to simply use a manual switch to select the station
> that would connect to the external antenna switch coax lead into the
> radio room.  I would then use the manual antenna switch to select the
> station and the remote controller to select the antenna.......
> 
> 

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