RadioReference on Facebook   RadioReference on Twitter   RadioReference Blog
 

Go Back   The RadioReference.com Forums > Scanners, Receivers and Related Equipment Forums > Antennas and Associated Hardware > Coax Cable and Connectors


Coax Cable and Connectors - For general discussion of all things pertaining to coax cable, wave guide or any other medium for passing RF energy. This includes connectors, weather proofing and grounding.

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
  #1 (permalink)  
Old 11-22-2017, 10:29 AM
Newbie
   
Join Date: Sep 2014
Location: Florida
Posts: 4
Default Replacing BNC connector on radio shack mag mount

I have a radio shack mag mount scanner antenna, the BNC connector on it broke somehow and I need to replace it but when I go to search for BNC connectors it has 3 different types of COAX cable connectors, does anyone know what type of coax the wire for the antenna has, I have never installed/replaced a connector before so I would prefer to buy the right connector.

Thanks!
Reply With Quote
Sponsored links
  #2 (permalink)  
Old 11-22-2017, 12:57 PM
chief21's Avatar
Member
  Premium Subscriber
Premium Subscriber
Amateur Radio Operator
Amateur Radio
 
Join Date: Mar 2004
Location: Summer - western NC mountains; Winter - central FL gulf coast
Posts: 549
Default

Chances are high that the cable is RG-58 (thickness less than a pencil). RG8x is a somewhat thicker cable (about the same as a pencil) and RG8 / LMR400 is about one-half inch thickness.

-John
Reply With Quote
  #3 (permalink)  
Old 11-22-2017, 1:18 PM
Member
   
Join Date: Mar 2002
Location: New Orleans region
Posts: 2,455
Default

Quote:
Originally Posted by cpg178 View Post
I have a radio shack mag mount scanner antenna, the BNC connector on it broke somehow and I need to replace it but when I go to search for BNC connectors it has 3 different types of COAX cable connectors, does anyone know what type of coax the wire for the antenna has, I have never installed/replaced a connector before so I would prefer to buy the right connector.

Thanks!
Have you tried looking at the cable? Normally the make and model number is stamped on the cable in white lettering.
__________________
Jim
Reply With Quote
  #4 (permalink)  
Old 11-22-2017, 9:05 PM
Newbie
   
Join Date: Sep 2014
Location: Florida
Posts: 4
Default

After looking close I found the type: RG-580, was printed very small. Thank you Jim for saying that. Any tips for someone doing this for the first time so I dont screw it up?
Reply With Quote
  #5 (permalink)  
Old 11-22-2017, 9:27 PM
mmckenna's Avatar
Member
   
Join Date: Jul 2005
Location: WTVLCA01DS0
Posts: 7,728
Default

Quote:
Originally Posted by cpg178 View Post
After looking close I found the type: RG-580, was printed very small. Thank you Jim for saying that. Any tips for someone doing this for the first time so I dont screw it up?
That'll be RG-58U, not 580. Not that'd you'd find 580, but might save you some frustrationů

Very common coaxial cable for mobile installs. Shouldn't have any issues finding BNC's for that. In fact, I've probably got a bunch in my shop. If you were on the right side of the country, I'd be happy to do it for you.
Reply With Quote
Sponsored links
  #6 (permalink)  
Old 11-22-2017, 10:04 PM
Newbie
   
Join Date: Sep 2014
Location: Florida
Posts: 4
Default

and I just bought a standard RG-58 connector online, will that still work?
Reply With Quote
  #7 (permalink)  
Old 11-23-2017, 12:35 PM
teufler's Avatar
Member
  Premium Subscriber
Premium Subscriber
Amateur Radio Operator
Amateur Radio
 
Join Date: Dec 2002
Location: ST PETERS, MISSOURI
Posts: 2,308
Default

well a standard rg58 connector will work, you will get an adapter to change from a pl259 connector to a bnc connector. If you have enough space behind the radio or on top of the radio, the adapter adds about 1 inch over just a bnc connector alone.
__________________
WD0GSY
BC-396XT,780XLT,TENTEC PARAGON, TYT-2017, MD-390, DM-5R+, ANYTONE 5888,VX10, VX7, VX3,TERMN-8R, F8-HP, GT3, UV-5, UV-3R, WOUXUN UV-8D,JUENTAI UV8DR,
Reply With Quote
  #8 (permalink)  
Old 11-23-2017, 1:06 PM
mmckenna's Avatar
Member
   
Join Date: Jul 2005
Location: WTVLCA01DS0
Posts: 7,728
Default

Quote:
Originally Posted by cpg178 View Post
and I just bought a standard RG-58 connector online, will that still work?
Yes. What type of connector is it? Crimp on?
Reply With Quote
  #9 (permalink)  
Old 11-23-2017, 2:12 PM
Newbie
   
Join Date: Sep 2014
Location: Florida
Posts: 4
Default

Yes it is a crimp on I got from American Radio Supply.

RG-58/U - BNC-Male Dual Crimp Plug Coaxial Connector (BNC-3822)
Reply With Quote
  #10 (permalink)  
Old 11-24-2017, 2:28 AM
mmckenna's Avatar
Member
   
Join Date: Jul 2005
Location: WTVLCA01DS0
Posts: 7,728
Default

OK.
So the center pin needs to be soldered. No difficult if you've soldered before.
The ferule needs to be crimped.

Should work just fine for you.
Reply With Quote
  #11 (permalink)  
Old 11-24-2017, 11:00 AM
Member
   
Join Date: Jun 2006
Posts: 6,117
Default

I think it would be better to have a radio shop or ham radio friend install the connector. If the OP has to buy a crimper it will cost more than the mag mount. Plus there is a chance he will make a mistake and need another connector.

At the very least have someone who is familiar with installing crimp BNC connectors help you the first time.
prcguy



Quote:
Originally Posted by cpg178 View Post
Yes it is a crimp on I got from American Radio Supply.

RG-58/U - BNC-Male Dual Crimp Plug Coaxial Connector (BNC-3822)
Reply With Quote
  #12 (permalink)  
Old 11-24-2017, 11:15 AM
Member
  Premium Subscriber
Premium Subscriber
Amateur Radio Operator
Amateur Radio
 
Join Date: Dec 2002
Location: Shippensburg, PA
Posts: 194
Default right angle bnc connector

Why mess around with the difficult connectors when you can buy a right angle conneector that has a screw on center contact. on ebay


Quote:
Originally Posted by prcguy View Post
I think it would be better to have a radio shop or ham radio friend install the connector. If the OP has to buy a crimper it will cost more than the mag mount. Plus there is a chance he will make a mistake and need another connector.

At the very least have someone who is familiar with installing crimp BNC connectors help you the first time.
prcguy
Reply With Quote
  #13 (permalink)  
Old 11-24-2017, 11:23 AM
Member
   
Join Date: Jun 2006
Posts: 6,117
Default

The connector he bought is the absolute easiest to install if you have the correct tools and I can put one on with perfect results in about 30 seconds with the right stripper and crimper. Add a length of hot glue heat shrink as a strain relief and it will be better than new. I would not trust a "no tools connector" on a cable that moves.
prcguy

Quote:
Originally Posted by kb3isq View Post
Why mess around with the difficult connectors when you can buy a right angle conneector that has a screw on center contact. on ebay
Reply With Quote
  #14 (permalink)  
Old 11-27-2017, 1:01 PM
Redneck0410's Avatar
Member
  Shack Photos
Shack photos
Premium Subscriber
Premium Subscriber
 
Join Date: Mar 2008
Location: Hutchinson, KS
Posts: 941
Default

I replaced one about 7 or 8 years ago with the kind that all you have to do is just trim the outer back about a half inch or so and slide the cable in (leaving the center jacket alone) and it worked perfectly for me. Hell, I just replaced another one on my Larsen Mag-mount NMO antenna with one on Friday and it works like brand new!
Reply With Quote
  #15 (permalink)  
Old 11-27-2017, 2:17 PM
cmdrwill's Avatar
Member
   
Join Date: Mar 2005
Location: So Cali
Posts: 2,660
Default

I would be glad to crimp on the new connector, but I am on the other coast...
Reply With Quote
  #16 (permalink)  
Old 11-28-2017, 11:51 AM
chief21's Avatar
Member
  Premium Subscriber
Premium Subscriber
Amateur Radio Operator
Amateur Radio
 
Join Date: Mar 2004
Location: Summer - western NC mountains; Winter - central FL gulf coast
Posts: 549
Default

cpg178 - Have you fixed your coax yet? I'm in west central Florida; Where are you in Florida?

John
Reply With Quote
Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On



All times are GMT -5. The time now is 7:04 PM.


Powered by vBulletin® Version 3.8.2
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
All information here is Copyright 2012 by RadioReference.com LLC and Lindsay C. Blanton III.Ad Management by RedTyger
Copyright 2015 by RadioReference.com LLC Privacy Policy  |  Terms and Conditions