[GreenKeys] TU replacement

[Duncan Brown]

ExtFSK106 puts out the serial steam in TX & RX from MMTTY.  I only used 
it for RX. The data output from the serial port drove an optocoupler in 
the loop.

Duncan
K2OEQ


On 8/21/2019 15:57, Jim Haynes wrote:
> I'm not clear - is that only for transmitting FSK using the FSK input on
> the radio, or does it also put out Baudot when receiving?
>
>     ---
>
>     "Ya can argue all ya wanna, but it's dif'rent than it was."
>     "No it ain't! No it ain't!  But ya gotta know the territory."
>         Meredith Willson, The Music Man
>