By definition, RG-214/U MIL-C-17/164 has two silver plated copper shields and a silver plated, stranded, copper center conductor.
The specification for true RG-214 can be found here: <http://www.dscc.dla.mil/Downloads/MilSpec/Docs/MIL-C-17/mil17ss164.pdf> Anything less is NOT RG-214. Anything less invites problems in a duplex application. 73 Glenn WB4UIV At 09:54 PM 12/14/04, you wrote: >I was going to replace it with "TYPE RG-214/U MIL-C-17". It has 2 >copper braids that look 97% or better each. > > >On Tue, 14 Dec 2004 18:52:24 -0800, Eric Lemmon <[EMAIL PROTECTED]> wrote: > > > > Yes, thanks to a penny-pinching local ham! This guy talked a bunch of > > his buddies into kicking in for a 500 foot spool of "Genuine RG-213 > > Mil-Spec" coaxial cable, at about 1/3 the normal price. When it > > arrived, I saw that the cable was stamped "RG-213 TYPE" and "MIL-C-17" > > every foot or so. One of the buddies made up a short jumper cable for > > my radio club, and it worked fine for about a year. One day, I switched > > the jumper to another radio, and the the PL-259 connector came off in my > > hand! > > > > I dissected the cable, and found that it was made with aluminum braid, > > and the solder naturally did not adhere to it. The shield coverage was > > far less than genuine RG-213/U, probably something like 70%. > > > > The kicker was that the manufacturer was not listed in the military > > Qualified Products List (the "QPL") that identifies ALL suppliers of > > GENUINE RG-213/U cable that meets the MIL-C-17 specification. Any > > cable that is similar to RG-213/U but does not meet the specification is > > supposed to be marked with the word "TYPE" to indicate that it is > > non-conforming. Unfortunately, many unscrupulous vendors leave off the > > word "TYPE" on their junk cable, and there seems to be no shortage of > > unwary buyers! > > > > In your specific case, perhaps your "Cursed Coax" should be replaced > > with RG-214/U double-shielded cable or Andrew LDF-2 or larger Heliax. > > > > 73, Eric Lemmon WB6FLY > > > > > > DCFluX wrote: > > > > > > Has anyone had to remove a piece of RG-213 from service? If so for > > > what reasons? I think I got a cursed piece between my duplexer and > > > antenna. > > > > > > > > > Yahoo! Groups Links > > > > > > > > > > > > > > > > Yahoo! Groups Links > > > > > > > > > > > > > > > >Yahoo! Groups Links > > > > Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
