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GM300/GR300 picked from recycling, need advice


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I pulled a full repeater setup out of electronics recycling, and up until this point have been using the two individual radios for railroad EOT/HOT detecting when I go trainspotting.

However, may have the opportunity to set up a repeater in a dead zone on my family property soon, and so I reassembled this as best I could, and it appears to be working in very minimal condition. The equipment is as follows:

- Radius GM300 x2 radios

- RICK controller (verified, not another model that looks like a RICK)

- Cavity duplexer

- ID-8 with keypad

 

I have not yet retuned the duplexer. I have a noise generator on the way and will do so with that and a spectrum analyzer. I made a saltwater dummy load. 
 

I could not get the ID-8 to respond to reprogramming attempts and just pulled it off. I am currently looking for a replacement CWID module or replacement controller that would also offer CWID. It looks like the ID-O-MATIC IV would do the job but I’m a bit confused as to whether that would add to the RICK or replace it. Any thoughts on that?

 

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Posted

An impedance match is very important when tuning duplexers.  If you lack the proper gear to do it, see if the local ham club has anyone that can help you with it.  

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