[TowerTalk] Inner conductor migration in Heliax(TM)

[Jon]

The cable is circular...it shouldn't matter.   I would think that the
requirement to store a certain way is for drainage possibly.

On Tuesday, April 12, 2016, Dick Blumenstein <rcblumen at centurylink.net>
wrote:

> Not sure what you mean by the "drums vertical"? Do you mean that the wire
> is mostly vertical being stored on the drums; that the drums are sitting on
> edge?
>
> Dick K0CAT
> =====================
>
> David Aslin G3WGN wrote on 4/12/2016 2:33 PM:
>
>> Hi all,
>> Looking for the TT brains trust to help me out with this issue:
>> I have two drums of LDF4-50 and one of LDF5-50 which have been stored on
>> their sides for around 10 years.  This disobeys one of the prime
>> directives, since Andrew/Commscope say they MUST be stored with the drums
>> vertical.  My understanding is that the horizontal storage may lead to
>> inner conductor migration.
>> QUESTIONS: How can I determine whether migration has occurred; if so to
>> what extent; and what extent should cause me to avoid using the cable for
>> the 50m/165ft+ runs to my HF towers?
>>
>> Of course, if there is gross migration, a continuity check from inner to
>> outer would reveal a short, but would a TDR or other method reveal
>> performance degradation from lesser amounts of migration?
>> 73, David G3WGN  M6O
>>
>> _______________________________________________
>>
>>
>>
>> _______________________________________________
>> TowerTalk mailing list
>> TowerTalk at contesting.com
>> http://lists.contesting.com/mailman/listinfo/towertalk
>>
>>
> --
>
>
> Richard (Dick) Blumenstein
> Tel:  (386)  451-6660
>
> E-Mail:  rcblumen at centurylink.net
>
> /"/Ineptocracy:
>   A system of government where the least capable to lead are elected by
> the least capable of producing,
>   and where the members of society least likely to sustain themselves or
> succeed,
>   are rewarded with goods and services paid for by the confiscated wealth
> of a diminishing number of producers./"/
>
>
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk at contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>