Topband: CABLE CHOICE

ZR zr at jeremy.mv.com
Tue Sep 25 11:21:12 EDT 2012


Subject: Re: Topband: CABLE CHOICE


> >I am going to need to run a coaxial cable from a receiving system about 
> >900 ft away from the shack.  My first thought was flooded RG6, Commscope 
> >F660BEF, which would appear to have about 4 db of loss but then thought 
> >possibly some flooded RG11, MaxPipe S1D60PN-O-R1K,  might be a little 
> >better.  I could not find any loss specs on it.  More money of course. 
> >Any input on this one?  73 Mike K4PI
>> _______________________________________________
>
>
> I'd use an F11 style cable, with flooding compound, for that distance.


A couple of rodent bites and a good rain and its all wasted and ready for 
the trash or several short sections to be salvaged.

Thats exacly what happened to  750', 250' and 200' runs of RG-11 flooded to 
me during Phase 1 of the Beverage system 22 years ago. It took less than a 
year.

After replacing with 1/2" CATV hardline life has been good since then. It 
was one of many partial reels left over when cable came to town. These days 
its found during a major upgrade or for storm repairs. The contractors 
rarely take leftovers to the next job as they are gypsys traveling all over 
the country.


With the rapid decline of the 2 way FM radio business 1/2" and 7/8" 50 Ohm 
hardline is a drug on the market and only worth scrap value. Its often free 
if you remove it but 900' will require some inline adaptors

Carl
KM1H




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