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Anybody have an idea on how to transmit NTSC video 1vP-P over a very
long cable? My cable is 9,000 meters long and 30ohms from end to end.
The application is underwater video. The cable is a .680 oceanographic
wire and is a two conductor coax (center and shield). I have experimented
with frame grabbers, sending up and image via RS-422, and that works...
but there is a 20-30 second lag. (uCFG microcontroller frame grabber).
I need to see a picture realtime.