I am pretty sure the cable is much more than just coax. My radar
cable has coax and probably a half dozen or more other wires.
A 2 meter extention can't be all that expensive vs the potential
pitfalls of a roll-your-own solution in this situation. If it is a new
unit there may be warranty issues as well.

Doug
s/v Callista

"Mark" wrote in message
ups.com...
I'm installing a Raymarine SL72 radar and will end up about 2 meters
short on the display to radome cable. Rather than use the expensive
Raymarine extensions, I plan to build my own. I assume that the coax
should be 50 ohm, not 75, but I don't know for sure. Anyone know?
Thanks.