"Brian Howie" wrote in message
...
In message , gareth
writes

http://www.vk2zay.net/article/file/1138

How does the receiver work ?

My assumption (YMMV) is that the key increases the power
from the oscillator on TX (and thus will cause a tracer on RX
and on QSK operation), the FET being used to switch RIT
in and out.