Sjouke Burry wrote:
wrote:
Can anyone identify what this is? I have been hearing it ever since I
started with shortwave radio in the late 1960's. It occurs in various
portions of the utility HF spectrum. I have tried to decode w/o
sucess.
ISH
PS Sorry this is not a photo and could be OT
Sounds and looks like slowscan tv.
Maybe security camera's?
On the antique group I opined that I *thought*
it was radio jamming (lot of that during the cold war)...as I can
recall hearing that back in the 60's
probably before there was SSTV
It's does not sound like RTTY but the the only thing else I could think
of would be facsimile ...just grasping at straws though