Hi Barry,
If you only need one transmitter at a time, and if the switch will be in the
shack, you could use the MFJ 1700C:
http://www.mfjenterprises.com/Product.php?productid=MFJ-1700C
73 -- Larry -- W1DYJ
----- Original Message -----
From: "Barry Fox" <foxbw@comcast.net>
To: <towertalk@contesting.com>
Sent: Monday, March 01, 2010 2:40 PM
Subject: [TowerTalk] Budget 4-Pack?
>I have two HF radios and 4 different HF antennas. I would like to use
> each rig on any antenna, while obviously locking out that antenna for
> the other rig. The commercial products 6-Pack, 8-Pack, etc are way
> over my budget. Anyone have a schematic for a "4-Pack" or similar
> device they would like to share? Obviously relays are the way to
> go, and I can get the RF relay switching part of it on paper but
> not the lockout logic. Some sort of electro-mechanical exclusive-OR
> gate array / diode matrix? Anyone been there and done that?
> TNX / 73,
> Barry - W1HFN
>
>
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