What exactly are they and what do they do?


On 12/15/2015 6:26 PM, Mike Keithley wrote:
> Hello list,
>
> I have built my last Audible Transmitter Output Monitor (ATOM). I have a few left, and am giving them away. If you want one, send your postal address. I plan to ship units after Monday, December 28.
>
> Thanks
>