[GreenKeys] Military TUs

[kf9nz at juno.com]

On Tue, 13 Mar 2007 17:29:40 -0500 (CDT) jhhaynes at earthlink.net writes:
> I was going to weigh in on this one, and the answer is that 
> generally
> they are not very good for ham use, especially the older ones.
> 
snip.
> 
> Some of the military TUs operate at IF rather than AF.  The only 
> reason
> I can think of for this is to get BFO drift out of the picture.

        Well, that allowed us to talk on the carrier (AM) at the same
time as the rtty was running. It was used like an order wire or chit chat
circuit.   Thought it was pretty cool at the time.

Frankf9nz