[TowerTalk] Cable TV hardline question - for Beverages

[Dave NØRQ (lists)]

To feed 3 or 4 Beverages, can I run 50 Ohm coax (RG-8X?)
to the remote antenna switch (about 250'), and from there,
use 75 Ohm CATV (bigger than RG-8, smaller than
RG-213, old but free) to the Beverage transformer
(another 100-200')?   Would there be any significant or
noticeable performance degradation?

-- 
Dave NØRQ



----- Original Message ----- 
From: "Steve Katz" <stevek at jmr.com>
To: <keith at dutson.net>; <TowerTalk at contesting.com>
Sent: Friday, October 29, 2004 11:09 AM
Subject: RE: [BULK] - RE: [TowerTalk] Cable TV hardline question


> If the question is running trunklines to Beverages: Who cares?  I use CATV
> RG6/U (75 Ohm, .250" diameter, multiple shields) for that, and directly 
> bury
> it just like the cable company does!  75 Ohm hardline would be even 
> better,
> but at a few hundred feet the difference in loss in the lower HF spectrum 
> is
> negligible and I can't believe anyone could tell the difference, in a
> Beverage application.-WB2WIK/6
>
> "Nobody needs more than 640k!" -Bill Gates, 1982
>
>> -----Original Message-----
>> From: Keith Dutson [SMTP:kjdutson at earthlink.net]
>> Sent: Friday, October 29, 2004 9:14 AM
>> To: TowerTalk at contesting.com
>> Subject: [BULK] - RE: [TowerTalk] Cable TV hardline question
>>
>>
>>
>> ----- Original Message -----
>> From: "SJ W3TX" <superberthaguy at adelphia.net>
>> Sent: Thursday, October 28, 2004 6:35 PM
>> > So the question is, is the 75ohm aluminum shielded hardline of good
>> quality
>> > or not?  Is it acceptable for running trunklines to the beverages? How
>> long
>> > will it last buried not inside a pipe?
>> >
>>
>>
>> Can someone explain the difference between 75 ohm aluminum shielded
>> hardline
>> and "plain old 75 ohm TV coax"? I was given two partial rolls OF 0.4 inch
>> DIAMETER aluminum shielded, white core insulation coax.  One roll is
>> labeled
>> Commscope along with a telephone handset imprinted on the jacket.  The
>> other
>> roll has no identification but does include a messenger wire embedded in
>> the
>> outer jacket.
>>
>> I estimate perhaps 500' of this coax and I do have a tower 300' from the
>> shack that as yet is not connected.  I have been thinking of using
>> BuryFlex
>> for this run but can this free coax possibly be better?  Should I give
>> these
>> two rolls away and go with something well defined?
>>
>> K7PUC
>>
>>
>> _______________________________________________
>>
>> See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless
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>> any
>> questions and ask for Sherman, W2FLA.
>>
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>>
>> See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless
>> Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with
>> any questions and ask for Sherman, W2FLA.
>>
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> _______________________________________________
>
> See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless 
> Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with 
> any questions and ask for Sherman, W2FLA.
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk at contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk