In article ,
geoff wrote:
Think that's the idea of a right angle plug - to prevent kinks in the
co-ax.

50 ohm BNCs (RF impedance) certainly exist.


Except that (I thought) coax for TV is 75 ohms

Yes. However, with BNCs, 75 ohm seems to be reserved for baseband video
and some audio. RF tends to be 50. Don't ask me why. ;-)

--
*Hard work has a future payoff. Laziness pays off NOW.

Dave Plowman London SW 12
RIP Acorn