(meteorobs) Coax connection to BNC - what is right?

bob alongi bob71741 at yahoo.com
Wed May 20 12:43:28 EDT 2015


Michael - What is the UG number of the coax connector? Some connectors made by Amphenol  use their own part number(five or six digits?) rather than a UG number, but they usually conform to the UG spec. Once you find the number, get online and Google "Assembly instructions for UG xxx" , or the Amp Part#. 

The instructions will include what coax to use and how to properly assemble the connector.


--------------------------------------------
On Wed, 5/20/15, Michael Boschat <andromed at dal.ca> wrote:

 Subject: (meteorobs) Coax connection to BNC - what is right?
 To: "meteorobs at meteorobs.org" <meteorobs at meteorobs.org>
 Date: Wednesday, May 20, 2015, 7:19 AM
 
 
 
  
 
 
 
 
 Hi:
 
 
 
 Ok. have a right angle solder less BNC connector. Now,
 how do you connect coax to it?
 
 
 
 reason - hooking to my antenna for radio meteors...:
 
 
 
 I know the center copper piece goes around the screw and
 is tightened.
 
 
 
 
 
 NOW:
 
 
 
 1)   Does the sheath attach to the arm that gets
 crimped?
 
 
 
 
 
 2 ) Do you cut the sheath away and just leave the coax
 and center piece?
 
 
 
  Why I ask,... well I'm told IF  I leave
 the sheath  when I test the antenna
 with an Ohm meter I'll not get 0
 Ohms.
 but looking at Youtube videos, the
 majority connect the sheath !
 
 
 
 Now with out sheath I get 0 Ohms... with sheath I get 1.9
 Ohms...
 
 
 
 so which way is correct?  1 or 2?
 
 
 
 
 
 
 
 
 
 
 
 
 
 Clear skies
 
 ----------
 
 Michael Boschat
 
 Halifax Center - Royal Astronomical Society of Canada 
 
 Astronomy page:  http://www.chebucto.ns.ca/~aa063
 
 
 
 
 
 
 
 
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