[TowerTalk] grounding of coax

[molenda]

does any one know of a source which sells coax grounding kits ?  what 
exactly is a grounding kit look like ?  I am thinking of grounding the coax
near the base of the tower by cutting back the jacket and grounding the
shield braid to the tower leg. and then using a polyphaser coaxial ground
just before entering the house.
     Should I ground the braid  of the coax coming down the tower ? will
this cause problems with the signal ?  any info . will be appreciated.
   DE  KB2HUK      John

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