[Spooks] ID help please

[Guy Denman]

At 17:32 03/02/02 -0500, you wrote:
>Hi Guys:
>     At 2200z on 7745m I ran across the following:
>
>783x3 000 (repeated this about three times and went down).  Can anyone ID
>this?  M01, M12 or something else.  Appreciate any help out there.  Went
>silent at about 2202z.  Without a message preamble, it is hard to tell who
>this may be.
>

Hi Mark,
That was M12 with a null message. There would have been a second 
transmission at 2220 on 68??
Will probably be on next week.
73
Guy