Are you sure you have 50 ohm coax? The CATV distribution rems are 75 ohm. Cable Z is the starting point for your research. Some of the surplus around 0.5" od is SFX500 (bare), IF it is 50 ohm. The co
I didnt say anything about impedence..... I assume it will all be 75 ohm until I connectorize it and test it. This is all older cable from mid to late 1990's before any of the ones you mention or any