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Time sync where there's no/no reliable internet.

Discussion in 'Ham Radio Discussions' started by ON6KE, Sep 11, 2019.

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  1. KP4SX

    KP4SX XML Subscriber QRZ Page

    Tell us about that. How do you do it?
     
    K3XR likes this.
  2. AG4RT

    AG4RT Platinum Subscriber Platinum Subscriber QRZ Page

    Probably using his phone as a mobile hotspot and then synching over the Internet.
     
  3. NE1U

    NE1U Ham Member QRZ Page

    I use this software to sync to a USB GPS/GLONASS rcvr ... millisecond accuracy read once a day. Automatic. No internet, no WiFi involved. $14. (Actually, I bought my rcvrs for $8 but waited a month for delivery.)

    Apologize again for the excessive accuracy and that I am not using WWV or CHU, but (again) what do you expect for cheap?
     
  4. KA9JLM

    KA9JLM Ham Member QRZ Page

    Yes. Exactly.

    I only have a Allstar node that needs to have the correct time for the Voice Time announcements.


    I never did the FT thing. It sounds like a "Hello, Good-bye" mode for contesting. o_O
     
    AG4RT likes this.
  5. K3XR

    K3XR Ham Member QRZ Page

    The good news is this thread offers a number of choices for time sync. Pick the one that works best for you.
     
  6. W2JKT

    W2JKT Ham Member QRZ Page

    There are a bunch of programs out there that can synchronize a Windows PC (assuming you're running Windows) to an attached GPS dongle. One has been linked to here already.

    If you run Linux, you just need to install gpsd and configure the system NTP client to use gpsd as a time source.

    Mac, I don't know, but there is probably a non-free port of gpsd that the high priest of the walled garden has determined you have his esteemed permission to run.
     
  7. KY5U

    KY5U Subscriber QRZ Page

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  8. W9FL

    W9FL Ham Member QRZ Page

    Last edited: Sep 12, 2019
    NE1U likes this.
  9. ON6KE

    ON6KE Ham Member QRZ Page

  10. WD8ED

    WD8ED Ham Member QRZ Page

    I made my own GPS based NTP server out an Arduino. Due to the lack of network propagation issues it’s better than NIST servers are over the internet.

    I have a Leo Bodnar GPS reference oscillator for my test equipment as well. Good stuff for the money.

    Ed
     

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