[Towertalk] Coax opinions

[Robert Shohet]

Hi John,
> >
> >RG213 with the
> >non-contaminating jacket (suitable for direct burial)
> 
> Bob--
> 
> Just as long as you don't equate non-contaminating with
> suitable for direct burial.  They are two different things.
> 
> Non-contaminating means that the plasticizers in the
> jacket won't migrate through the braid and into the
> dielectric and degrade performance (increase loss).
> 
> Direct burial means that it has a special jacket that
> has no pin holes or has a filler type sealant that
> eliminates any leakage of water into the cable
> and keeps it from migrating through the braid,
> thereby increasing losses.

Thanks for the explanation.  The coax does have a non-contaminating
jacket and is meant for direct burial - I believe it is the buryflex
coax that was mentioned in another post.

73

Bob KQ2M