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Re: [TowerTalk] 1 5/8" hardline to N female?

To: "TowerTalk" <towertalk@contesting.com>
Subject: Re: [TowerTalk] 1 5/8" hardline to N female?
From: "Keith Dutson" <kjdutson@earthlink.net>
Reply-to: keith@dutson.net
Date: Thu, 21 Apr 2005 08:44:40 -0500
List-post: <mailto:towertalk@contesting.com>
Jim Lux already posted:
>Looking at some of the pictures at:
http://www.surplussales.com/Connectors/EIA-6.html it seems that steps aren't
all that unusual That 3-1/8 to 1-5/8 adapter looks pretty short to not be a
sudden step.

Looks like part PE2231 would work well.  Note this adaptor has a gas
fitting.  I guess this is for pressurizing the 1 5/8 cable with nitrogen.
It would not be needed for low wattage.  The price of this "used / removed"
item is $295!

73, Keith NM5G

-----Original Message-----
From: Daron Wilson [mailto:daron@wilson.org] 
Sent: Wednesday, April 20, 2005 8:25 PM
To: ersmar@comcast.net; keith@dutson.net; 'TowerTalk'
Cc: 'Keith Dutson'
Subject: RE: [TowerTalk] 1 5/8" hardline to N female?

You can get that EIA flange fitting for 1 5/8" heliax probably from Tessco,
certainly from Andrew I imagine.  You probably will end up getting an
adapter from that flange to an "N" connector.  You'll need a 'bullet' as
well, the nice little 'double male' fitting with an insulator on it that
goes between the two center conductors.  Perhaps the antenna manufacturer
can provide you with the components, it is worth doing it right for the
quality of antenna you have.

Good Luck!

 

-----Original Message-----
From: towertalk-bounces@contesting.com
[mailto:towertalk-bounces@contesting.com] On Behalf Of ersmar@comcast.net
Sent: Wednesday, April 20, 2005 3:46 PM
To: keith@dutson.net; TowerTalk
Cc: Keith Dutson
Subject: Re: [TowerTalk] 1 5/8" hardline to N female?

Bill:

     This looks like something called an EIA Flange.  Typically used on
high-powered transmitter circuits like in the Broadcast Service.

     Suggest you do a Google search and look for sources of such connectors.

73 de
Gene Smar  AD3F


> This looks like something from a commercial UHF antenna installation.  
> You did not specify the frequency of the VSWR measurement.  I am 
> guessing the high VSWR is caused by very high impedance at measured 
> frequency that is
far
> from resonance.
>
> 73, Keith NM5G
>
> -----Original Message-----
> From: towertalk-bounces@contesting.com 
> [mailto:towertalk-bounces@contesting.com] On Behalf Of 
> BILLMILOSZ@aol.com
> Sent: Wednesday, April 20, 2005 12:54 AM
> To: towertalk@contesting.com
> Cc: timbales@timbales.net; g1ogy@g1ogy.com
> Subject: [TowerTalk] 1 5/8" hardline to N female?
>
> I've been given an antenna that looks like it wants 1 5/8" hardline ...
> here's a picture ... http://www.lf.org/milosz/temp/input.jpg
>
> How do I connect this to something NORMAL like an N connector????
>
> I've tried building things using pipe, tubing, connectors, copper 
> plates etc and the SWR is awful, like, 5:1.....
>
>
> Thanks
>
> Bill
>
> Chicago
> _______________________________________________
>
> 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
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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@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
_______________________________________________

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.

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