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Time sync for FT8 on ipad

Made my first FT8 contacts today, using the SmartSDR for iOS FT8 tool. Amazingly easy.

  1. I presume the app sets the proper transmit levels?
  2. I received an email from one of my contacts that my clock was off 1.4 seconds. How do I precisely set the clock on my iPad for the FT8 tool?


Steve AK0M


  • K3SF
    K3SF Member ✭✭✭
    edited May 2022

    from apple website

    once you set time zone it will stay sync'd as it then uses network time


  • David Decoons, wo2x
    David Decoons, wo2x Member, Super Elmer Moderator

    I ran an app called Emerald time. It shows the time differential in upper right corner. My iPad was over 3 seconds off (I’m traveling to Xenia). I toggled Date & Time/Set Automatically in settings in iPad and it updated to show 1/2 second off. Normally iPad syncs to the minute, not second, so it may not update until it drifts off more than a minute.


    Dave wo2x

  • Neil D Friedman N3DF
    Neil D Friedman N3DF Dayton, OHMember ✭✭✭

    I have used the IPad as a Flex FT8 terminal for years and never had a time synch issue.

  • Steve - AK0M
    Steve - AK0M Member ✭✭

    My iPad clock time corrected after toggling off then back on the Date and Time/Set Automatically option. Good to know.

    David, thanks for the tip re the Emerald Time app.

    73, Steve Sutterer AK0M

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