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