[BC] RG-8

[Broadcast List USER]

Really, double shielded or quad shielded cable is CRAP!

You should only use 100% shielded cable, like LDF-4.

I have built all kinds of combined land mobile sites, and they all  
bitch about the 100% shielding requirement until it is on the air.   
100% shielding is really great, and makes the sites work well.

RG-8 really blows.  So does 213, 214, and LMR-400.  If it isn't  
solid, it isn't 100%.

--chip

On Apr 3, 2008, at 6:00 AM, broadcast-request at radiolists.net wrote:
> Message: 11
> Date: Wed, 2 Apr 2008 23:31:49 -0700
> From: tony dinkel <tonydinkel47 at hotmail.com>
> Subject: Re: [BC] RG-8
> To: <broadcast at radiolists.net>
> Message-ID: <BAY127-W48C4B2CB93108F2D10145DC1F70 at phx.gbl>
> Content-Type: text/plain; charset="iso-8859-1"
>
>
> Agree with the LMR comment.  I am using LMR-400 cable where ever I  
> would spec RG-8 or 213 now.  RG-214 is mandatory for more critical  
> situations that involve flexing or full duplex mode.  And if you  
> think 214 is expensive, try RG-393.  A customer had me replace all  
> of his jumpers in a tx rack not too long ago.  Really expensive and  
> stiff stuff but its double shielded, silver plated everything and  
> teflon dielectric.  Not good for areas with UV exposure though,  
> unless you give it a good 50% overlap wrap with Scotch 88.  Done  
> that too but not for a run to a tower!
>
> td
> wb6mie
> microwave frequency services
>
>
>> If you have the inclination to use a more inexpensive grade cable as
>> compared to Andrew products, you might try looking at the Times  
>> Microwave
>> LMR series cables.  They have an overall foil shield (100%  
>> coverage) and are
>> very robust for most applications at a much cheaper cost.  The  
>> only minor
>> problems is that it is a significantly stiffer cable as compared  
>> to RG8 and
>> that it possesses possess a foam internal insulation which is a  
>> bit tricky
>> to manage at times if you need to solder the center conductor.  RF
>> Industries makes crimp-style connectors for this cable (again at  
>> reasonable
>> prices) but, after attending a RF connector symposium at NIST, I  
>> still
>> solder the center conductor contact in lieu of crimping whenever  
>> possible.
>>
>> But if you want a super high-grade RG8 braided shielded cable, go  
>> with
>> RG-214 which has a double silver-plated braid shield and will put  
>> you in the
>> poor house before your project is completed.
>>
>> Greg