[GreenKeys] MD-522/GRC modem

Duncan Brown duncanancy at earthlink.net
Wed Jun 17 16:58:31 EDT 2020


Steve,

Offhand, I would say that it may not be easy to convert MD-522 to 170 hz 
shift.

Do you have the manual?

If not, they are available at  http://rattrig.com/manuals/tm's.htm

Have fun & good luck,

Duncan
K2OEQ

On 17-Jun-20 15:48, Steve wrote:
> *Subject:* MD-522/GRC modem
>
> Have just gotten my GRC-106A on the air and am wondering if the 
> companion MD-522
> is worth looking for. From the manual, it is capable of 850 Hz and 85 
> Hz shift.
> Transmit and receive. How difficult would it be to change the 85 Hz
> shift to 170 Hz which would make it far more useful?
> Any info or tips appreciated!
> Steve W6SSP
>
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