That should be GR213. 

Scott

Sent from my iPhone

On 18/06/2014, at 7:53 PM, Scott Gillen <[log in to unmask]> wrote:

> Any one know the frequency response of rg313?  I'm looking at it for wireles=
> s microphone receiving antennas in  the 700MHz band in a TV studio.  Would u=
> se rg58 but the runs are between 15-20 meters and I am told it will be to lo=
> ssy. It's possible  we could end up with units in the 2GHz band.=20
> 
> Scott
> 
> Sent from my iPhone
> 
> On 18/06/2014, at 3:15 AM, Steve Forst <[log in to unmask]> wrote:
> 
>> Mike,
>> =20
>> Nice theory on  the numbering system, but not right.  RG-213 is  the=20
>> same size as RG-8, which is kind of the  "standard" size.  Both of=20
>> these, and a bunch of others in the RG-8 catagory, are just under a half=20=
> 
>> inch diameter.   I think .405 inch.  A regular PL-259 connector threads=20=
> 
>> onto the jacket without any adapter.
>> =20
>> For what it's worth, several years ago I redid the station with Davis RF=20=
> 
>> Bury-Flex, which is a low loss, direct buryable RG-8 size with a super=20
>> tough jacket made of  poly something or other.
>> =20
>> Davis also carries a wide variety of other cables, like Andrews.   They=20=
> 
>> are in New England.  Coax can be heavy, don't know if shortening the=20
>> distance would save any on shipping compared to  getting from somewhere=20=
> 
>> else in the States.
>> =20
>> davisrf.com
>> =20
>> 73, Steve KW3A
>> =20
>> On 6/17/2014 10:11 AM, Michael Ryan wrote:
>>> Hi all:
>>> =20
>>> As I got to order some tubes from RF Parts, I'm looking at ordering some r=
> eplacement coax as well as the prices look pretty good.
>>> The problem is, I'm not sure on what to order as the site has such a vari=
> ety from Andrew Heliax to LMR600 and everything in between.
>>> I need a direct berry, low loss to replace my RG-213 and I'm wondering if=
> the LMR240 will do?
>>> I'm thinking that the LMR240 is a little larger than the 213 and that's w=
> hat those numbers mean. 213 =3D .213 of an inch, 240 =3D .24 of and inch and=
> so on. Therefore the LMR400 or 600 would be a pretty thick cable and may re=
> quire me to drill a larger hole to thread it. LOL
>>> My current PL-259s fit the exit hole of the shack.
>>> =20
>>> 73:
>>> Mike VO1AX
>>> =20
>>> =20
>>> =20
>> =20
>