If I'm not wrong, I think Hamtronics makes a plug in board you can buy
extra. If not, some of the repeater books have circuits that should be able
to be built and installed rather easily.

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Lou

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"eclip01" wrote in message
nk.net...
I was wondering if anyone has added a courtesy tone
to the COR-2 board in the old hamtronics repeater?
I know it would be easier to upgrade the controller,
but it would be fun to mod the COR-2 if possible.
Thanks for any help...