[AMRadio] RG8X


Rick Brashear rickbras at airmail.net
Fri Dec 8 15:55:28 EST 2006


Thanks Jim.  I use large coax on all of my other antennas, but this one 
is made of coax and I think I'll give the 8x a shot.  I make all of my 
jumpers for the shack out of 8x simply because it's easier to work with 
and they're very short.  Well, I do have big coax on the Henry.

Rick/K5IZ

Jim Wilhite wrote:

> Well Rick, RG 8X came out after cellular hit the market.  It is small 
> and reasonable flexible.  It is about the same size as RG 59 and has a 
> bit more loss than RG 213.  So it is perfect for UFH frequencies and 
> installations in an automobile.
>
> Some of it has foam core around the center conductor and I would not 
> use that at all.  Should you kink or bend it too much, the foam will 
> loose it circular shape allowing the impedance to change at that 
> site.  You can avoid that by following the installation rules of all 
> wires.  The bend radius of wires of any sort is 10 X the diameter.  So 
> if you have a .5 inch cable then the bend radius is 5 inches.
>
> According to the specs it will handle 1500 watts.  If you do it, be 
> careful of installing connectors.  Should you overheat the connector 
> the heat will deform the foam near it and that can cause problems.  I 
> personally don't like the stuff, but that is my personal preference.
>
> Jim
> W5JO
>




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