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@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@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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