Tomorrow I'm going to be running some RG59 cable to a room so I can hook up a TV in there for cable. My uncle has some bulk cable and some connectors lying around, so I figure I'll just make my own.
The test and measurement world is almost universally a 50Ω environment. It used to be that, if you wanted to characterize a 75Ω cable for use in a 75Ω environment, you had to buy a very expensive 75Ω ...