So are y'all saying that large diameter coax is just going to disappear
from existence, or just the cheap ends.
______________________
Clay Autery, KY5G
MONTAC Enterprises
(318) 518-1389
On 2/4/2017 5:36 PM, Jim Thomson wrote:
> As KK9A mentioned, the surplus market for 7/8" and larger coax will be
> gradually drying up in the future. Virtually all new cell site builds
> are utilizing tower top radios connected via fiber. 1/2" is still used
> and will continue to be used for jumpers between the radios and
> antennas, although we also are currently using "Air" antennas which have
> the radios built in.
>
> Since the cell market has been the major source of well priced surplus
> Heliax style cable...get it while you can.
>
> -Steve K8LX
>
> ## agreed, heliax .875 inch and larger, has gone the way of the do-do bird.
> I retired from the local telco back in nov 2009, and several months b4 that,
> I was at a cell site one day, and saw em installing fiber optic cables to the
> top
> of the freestanding 90 ft tall concrete tower. Tower originally had 4-5 huge
> microwave dishes on it for a heavy route system.
>
> ## I think G3 cell service was just being rolled out prior to my retirement.
> Several other cell carriers had ants on our tower, and one of em went the
> fiber optic route 1st. Everybody else followed. No coax used at all on
> any cell tower
> these days. Now whether the old heliax was removed is another matter. A
> lot of times
> its just left in place. No budget for removal and shipping and disposal. No
> time either.
>
> ## It might get eventually removed..at great expense. We went through semi
> trailer loads of
> the larger heliax. Cell sites being slammed in every week at one point.
>
> ## If u see it surplus, buy it if its in good shape. But dont expect
> continuous runs of much more
> than 150 ft. Earlier days they used N connectors, then later to 7-16
> DIN. If u see the surplus
> 7-16 dins, snag them too. 1.125 inch heliax was used quire a bit as well,
> depending on freq used,
> and length involved.
>
> Jim VE7RF
>
> fo/towertalk
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