Hi All,

I'm having a problem linking two mastr 2 radios together. I have one site
and want to full time have my 2 meter and 440 machines linked together.

Equipment : (2) Astron R-35 power supplies  (one for each machine)

            (1)  Duplexed GE mastr 2 mobile for 2 meter machine.

            (1)  duplexed Ge mastr 2 mobile for 440 machine

            (1)  NHRC-4/M2 controller installed in the 2 meter radio

            (1)  cord made up out of 2 mastr 2 cables

Both units were tuned up and working properly as independent repeaters
before attempting this project.

Then we started the linking project!

The radios are linked via the made up cord with the 2 meter machine being
the main repeater and the 440 as a slave repeater on the secondary port. The
set up works properly on both ports in both directions. The id sounds fine
and the courtesy tones are fine. The problem is the repeat audio in both
directions has a humming noise that almost sounds like it is being over
driven. We have adjusted levels on both the controller and discrimators in
both radios to no avail.

We do have a common ground between both radios per the instructions with the
controller. I'm thinking there is smething that needs to be padded in the
audio lines. I'm researching the web but if any one has gone before me with
the same project I was hoping to save some time.

Thanks,

Mike KA2NDW

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