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GPS Antenna Wire Cut

Jim KJ3P
Jim KJ3P Member ✭✭
edited August 2020 in Peripherals & Station Integration
My landscaper accidentally cut through the (buried) GPS antenna wire (my fault for not telling him about it).  i carefully spliced and waterproofed it, but now GPS Status: Not Present.
Question: If the wire was cut, it may have briefly shorted the "phantom" DC power for the GPS.  Could this have done damage to the actual GPS module in my 6600?
I'm ordering another antenna just to sure.

Comments

  • N9VC
    N9VC Member ✭✭
    edited April 2020

    You should be able to check with a voltmeter
    on the connector. It should show 5 volts. If
    the voltage is present, that should be okay.
    Check the voltage before you order the antenna
    since if the voltage did disappear, then a new
    antenna would not fix anything.

    73, Jim N9VC

  • Clay N9IO
    Clay N9IO Clay N9IO Member ✭✭
    edited April 2020
    Off the the top of my head I think it a reasonable assumption you should be able to read +5vdc across the point you spliced.
    I seriously doubt it damaged the active antenna but very easily could have killed the 5 volt source in the radio.

    If it is in fact dead an outboard GPSDO might be a cheaper replacement. That's what I am using.

    73 and good luck
    Clay N9IO
  • Clay N9IO
    Clay N9IO Clay N9IO Member ✭✭
    edited April 2020
    Jim I am apparently slower responding one finger on this cell phone. Sorry for the repeat OM.
    Clay
  • Jim KJ3P
    Jim KJ3P Member ✭✭
    edited April 2020
    Jim, thanks for the idea of measuring for +5v at the GPS jack.  Shoulda thought of that myself....Duh-h!
    Got 5v!  Gonna order a new antenna.  Thanks again.
  • HCampbell WB4IVF
    HCampbell WB4IVF Member ✭✭
    edited April 2020

    Replace the coax.  Splicing underground coax is problematical, especially at those frequencies.

    Howard

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