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[TowerTalk] re: High Power RF Conn

To: towertalk@contesting.com
Subject: [TowerTalk] re: High Power RF Conn
From: N7KA@comcast.net
Date: Mon, 07 Feb 2005 05:16:14 +0000
List-post: <mailto:towertalk@contesting.com>
The C type connector has the added value of insulation around the female mating 
connector.  When mated there is about .1 inches of teflon insulation between 
the center pins and the shield.  This connector is a bayonet coupling type.

The military has used these in many applications.

Good info on these  connectors can be found by getting a copy of 
MIL-PRF-39012/06 for straight male connectors.

Another source for good info on a variety of connectors can be found in Delta 
RF Connector catalog.  Try their web site www.DeltaRF.com 

I have had N type connector center pins pull apart  (many do not have a 
captivated center pin) so I  am slowly going away from N connectors for out 
door use.

I do have the advantage of almost unlimited 1/2 inch hard line so RG-213 use is 
limited to inside and outside flexible areas (tower to mast) and some phasing 
lines.  I do make my own connector for the 1/2 inch hard line (ending up with 
UHF connector).  With liberal amount of tape and the dry New Mexico climate I 
have seen no failures in over 15 years of service.

Another good connector is the 7/16 though not the cheapest.

73 de Arne N7KA
_______________________________________________

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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