[drats_users] Possible Who Is Online feature request

[David Tilson]

> How about a QRZ type feature, that when activated by a user, 
> would broadcast a common message causing each D-RATS station 
> to respond, thus building up everyone's Stations list that is 
> currently monitoring the frequency, Ratflector, etc.  

Doh!!! I think I gazumped myself as it looks like sending a ping to
CQCQCQ already does this, although I'm not sure if everyone connected
gets/processes the ping responses...

Some of the other thoughts in my previous message may still be valid
though.

Cheers,

davidt