can you combine 2 coax cables?

[osirissail]

Originally Posted by deckofficer

Not to mention when connections aren't dressed properly, coax has the nasty habit of wicking into it a lot of salty moisture.

+1 which is normally the primary cause of signal loss / degradation over time. The only cure is to replace the cable and insure that the new cable is properly sealed against any moisture getting into it.