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frequency calibration

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Member ✭✭
edited April 2020 in FLEX-6000 Signature Series
My 6700 is 50 Hz off frequency, no big deal, but can this be adjusted or calibrated out using a known accurate souce and if so, how?

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Answers

  • Member ✭✭✭
    edited April 2020
    How did you measure the 50 Hz?
  • Member ✭✭
    edited November 2014
    Hello Chris

    By listening to WWV on 15 mHz and measuring the audio off beat or difference from zero beat, using a frequency meter.

  • Member ✭✭✭
    edited February 2019
    There is a calibration utility in the radio settings. Settings / Radio Setup / Receive / Frequency Offset
  • Member ✭✭
    edited November 2014
    Thanks George, I was looking in the wrong place, have found it O.K. now
  • Member
    edited November 2014
    Hello Peter, I think Chris wants to ensure that you are truly off calibration by that much. The clock in the 6700 is specified at 0.02 ppm (stability) while your offset is >3 ppm. That is a rather large difference. I'm not saying this couldn't happen, but you might want to check by another means. I use FLdigi and its frequency analysis mode. During the last ARRL Freq Measurement Test my setup was within 0.04 Hz. ( I do have the GPSDO option.)

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