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Help Identifying an antenna connector type

Discussion in 'Antennas, Feedlines, Towers & Rotors' started by KC2DAN, Mar 26, 2010.

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  1. KC2DAN

    KC2DAN QRZ Member

    I'm a little lost as to what type of connector is on this radio. I have a friend that bought this marine band used and it did not come with the proper antenna. Humminbird would not answer my question as it is a discontinued radio.

    For reference, it is a Humminbird VHF5 Marine HT

    The diameter is just a hair over a normal coax cable diameter, and a coax won't fit on it.

    Below are some photos of the connector itself.

    Any help would be greatly appreciated. These forums are great, I'll have to stop lurking so much! =)



  2. K4SAV

    K4SAV Ham Member QRZ Page

    It's difficult to tell from the picture (a dimension would be helpful) but it may be a TNC. Those are roughly the size of a BNC (since it's a threaded version of a BNC).

    Jerry, K4SAV
  3. WB2WIK

    WB2WIK Platinum Subscriber Platinum Subscriber QRZ Page

    I agree. It would be helpful to have a precise diameter measurement!
  4. KE5MC

    KE5MC Premium Subscriber QRZ Page

    I believe it might be a TNC too.

    From the top I don't like the looks of the contact socket. It appears sprung open by a contact pin of a larger diameter than it should have been.

    I hope I am wrong and it is an issue with the picture.

  5. KD8DEY

    KD8DEY Ham Member QRZ Page

    I'll Bite

    Amphenol APC series ?
  6. AA4HA

    AA4HA Ham Member QRZ Page

    I agree that it does look like a TNC connector.

    Here is a trick that not many folks know. You can push an N male connector onto a TNC or BNC female connection, the center assembly is the same. I use that trick to temporarily attach N cables to the front of an IFR service monitor in the field if I forgot my unidapt kit.

    I had one "expert" decide that he was going to thread a '259 connector onto an N female connection. Somehow he did manage to do it but it completely screwed up both connections. He must have used a hammer and a wrench.
  7. N5NPO

    N5NPO Ham Member QRZ Page

    Definitly a TNC. Fairly common in the non-ham world.
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