[TowerTalk] 300 MHz Remote Switch

[Ian White GM3SEK]

Jim Lux wrote:
>> For a receive-only setup, you could easily run the 315/433MHz control
>> signal up the coax, along with 12V DC power and the returning signals
>> from the Beverages. A few inches of wire threaded under the shield braid
>> at each end of the coax (like the old Monimatch) should make a good
>> "launcher" and "catcher", and the coax link should deliver far stronger
>> signals than over the air between antennas.
>>
>>
>
>when I was looking at 2.4GHz for HF antenna control, I was more worried 
>about overcoupling and having the HF destroy the 2.4GHz stuff (or, at a 
>lesser scale, having it saturate the front end).
>

I did say "for a receive-only setup". Duplexing UHF on a HF transmitting 
coax requires more thought and planning to avoid overload or damage, but 
can certainly be done; and Pete's application with Beverages doesn't 
have that problem at all.


-- 

73 from Ian GM3SEK
http://www.ifwtech.co.uk/g3sek