I saw an eBay listing for 305m (1000′) rolls of Commscope 4510404 CCS RG11A/U which looked interesting, time for some due diligence.
Being a brand name product, specifications were probably available and indeed were quickly found.
The cable is a CCS RG11A/U (Zo=75Ω), and from the centre conductor DC resistance value (12.5Ω/305m) and 1.63mm (#14) size, it appeared likely that it was 21% IACS Copperweld, and that the cladding thickness should be 49µm. At that copper thickness, near copper like performance was likely down to perhaps 7MHz (where it is 2 skin depths thick).
A roll was ordered as it was likely to be quite usable cable and at $99 including shipping (~25kg) it should be good value. Continue reading Checkout of a roll of Commscope 4510404 CCS RG11A/U