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  1. #1
    Join Date
    May 2003
    Location
    Eastern Atlantic seaboard
    Posts
    2,980

    Default What type of coax connector is this?

    20190425_142509-1008x756.jpg

    It's the gold one, what I consider a standard VHF connector is above it as scale reference. Flopping around behind my electrical panel it may be connected to a stubby antenna on the pushpit.
    I'd rather be tethered to a pad eye than tethered to an iPad.

  2. #2
    Join Date
    Nov 2009
    Location
    Home UK Midlands / Boat Croatia
    Posts
    18,595

    Default Re: What type of coax connector is this?

    It looks like a BNC connector but I'm not sure of the scale.

    Richard

  3. #3
    Join Date
    Feb 2014
    Location
    The Northern Powerhouse
    Posts
    2,408

    Default Re: What type of coax connector is this?

    BNC. I’ve got one on my AIS antenna.

  4. #4
    Join Date
    May 2007
    Location
    Cambridge, UK
    Posts
    5,945

    Default Re: What type of coax connector is this?

    As above, the gold one is a standard BNC connector. The top one doesn't look like any standard type of connector!

  5. #5
    Join Date
    Apr 2005
    Location
    Long Beach. CA.
    Posts
    2,506

    Default Re: What type of coax connector is this?

    Quote Originally Posted by AntarcticPilot View Post
    As above, the gold one is a standard BNC connector. The top one doesn't look like any standard type of connector!
    Top one looks like a PL259 IIRC - standard VHF connector, I think the locking collar is pushed right back making it look odd.

    W.
    .

  6. #6
    Join Date
    Sep 2004
    Location
    UK
    Posts
    4,520

    Default Re: What type of coax connector is this?

    Top one is a PL259. Lower one is BNC. The BNC may have gone to an AIS receiver if the other end is an antenna.

  7. #7
    Join Date
    May 2003
    Location
    Eastern Atlantic seaboard
    Posts
    2,980

    Default Re: What type of coax connector is this?

    Quote Originally Posted by Salty John View Post
    Top one is a PL259. Lower one is BNC. The BNC may have gone to an AIS receiver if the other end is an antenna.
    Thank you all. Bit of a mystery as, AFAIK, the boat has never had AIS. The top connector is for my VHF, a PL259.
    I'd rather be tethered to a pad eye than tethered to an iPad.

  8. #8
    Join Date
    May 2007
    Location
    Cambridge, UK
    Posts
    5,945

    Default Re: What type of coax connector is this?

    Quote Originally Posted by Quiddle View Post
    Thank you all. Bit of a mystery as, AFAIK, the boat has never had AIS. The top connector is for my VHF, a PL259.
    BNC connectors are bog standard for connecting many types of antennae via coaxial cables. It's the usual one for television antennae, for example, and I'm pretty sure that the VHF on my boat uses BNC connectors at the tranceiver.

  9. #9
    Join Date
    May 2007
    Posts
    36,158

    Default Re: What type of coax connector is this?

    It could be anything, Navtex, GPS, Decca, TV, even a depth sounder.

  10. #10
    Join Date
    Oct 2007
    Location
    Central Scotland
    Posts
    2,304

    Default Re: What type of coax connector is this?

    PL259 isn't a great connector for VHF. It's messes up the impedance of the line, isn't at all waterproof, and has variable connections to the coax. BNC is good, N type even better.
    Geoff. C.: Galvanizer and anchor manufacturer.

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