[TowerTalk] Cell Flex Cable Question

[Steve Maki]

On 09/18/19 5:57 AM, Jeff DePolo wrote:

>> Huh?
>>
>> Andrew/Commscope LDF series and AVA series cable are most certainly
>> annular. Their FS series (what they call Superflex) is spiral.

> What he said.
> 
> Before LDF was HSJ foam-dielectric Heliax, which was helical (spiral)
> corrugation.  But LDF and later are annular.
> 
> Also, HJ series (air dielectric) is still helical corrugation.
> 
> All of the modern, foam-dielectric, NON-"Superflex" Heliax-type cables from
> Commscope, RFS, Eupen, et al, are annular corrugation, not helical.

I suspect - couldn't find "the history of Heliax" anywhere - that the 
name Heliax referred to the original helical construction, and Andrew 
decided to keep the name even for their annular cables.

-Steve K8LX