[TowerTalk] Fwd: Old Hardline

[Robert Harmon]

Interesting stuff.  I got on the Trilogy website, they have a corrugated copper outer conductor too.  Can't
find loss specs for lower HF freqs.  Also suppliers and cost.

Bob
K6UJ




> On Nov 14, 2019, at 12:57 PM, Michael Clarson <wv2zow at gmail.com> wrote:
> 
> Has anyone checked out Trilogy Cable? It is like catv Hardline, but 50 ohm.
> Water migration is a non issue, cheaper than copper and tough as hell. The
> Al outer conductor is pretty thick. As a bonus, it is made in USA.
> 
> On Thu, Nov 14, 2019, 13:58 Steve Maki <lists at oakcom.org> wrote:
> 
>> LDF4 is the same as it always was.
>> 
>> It's the larger sizes where they are using a thinner shield. AVA5 took
>> the place of LDF5, AVA7 is the new 1-5/8", etc.
>> 
>> AVA cable has lower loss, but you can't drive a car over it like you can
>> LDF cable.
>> 
>> Still it's not THAT fragile - we've installed many thousands of feet on
>> cell towers and never had a problem.
>> 
>> OTOH RFS is still making the robust cable, and at a very good price, so
>> if you're buying new, it's a no brainer.
>> 
>> -Steve K8LX
>> 
>> On 11/14/2019 10:48 AM, Rob Atkinson wrote:
>> 
>>> The feedback I get from industry now is that the Andrew (Commscope)
>>> line is no longer of the quality it once was.  The shield is thinner
>>> and more fragile.  The RFS Cellflex line is found to be better, like
>>> the old Heliax.  I have no first hand experience though because my
>>> supply of old LDF4-50 and LDF4-75 are not yet used up.
>>> 
>>> 73
>>> Rob
>>> K5UJ
>> 
>> 
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