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Strange frequency lability in 6700 on 2m bband

Juha Varis
Juha Varis Member
edited January 2020 in FLEX-6000 Signature Series

Answers

  • Johan _ SE3X
    Johan _ SE3X Member ✭✭
    edited February 2019
    Hi Juha, I have only a vertical for 2m so don't think I will hear it. Distans probably less than yours. But I will ask a couple of friends in Östersund who has good antennas and equipment to see that the beacon itself doesn't have a problem. Will be tonight, while they both work today.
  • Martin AA6E
    Martin AA6E Member ✭✭✭
    edited January 2020
    I believe it's propagation. It might be caused by reflections from a high aircraft near the line of sight. If it does not occur with local signals, it's not a radio problem.

    I saw a lot of "interesting" frequency structure on a very distant 2M beacon when I was using a 6700. (The 6700 has higher maximum freq resolution than other Flexes.)

    73 Martin AA6E
  • Mike W8MM
    Mike W8MM Member ✭✭
    edited July 2019
    To rule out time-base issues, try synching to a very stable 10 MHz reference (if you have one available) and see if that has an influence.  A few Hz at 2 meters is only a few 1/10 Hz at 20 meters, so you might not see time-base issues at HF.
  • Juha Varis
    Juha Varis Member
    edited February 2019
    Tusen tack Johan
  • Juha Varis
    Juha Varis Member
    edited February 2019
    Thanks, I suspect that too, beacuse local hams cw signs looked ok during the 2m activity test yesterday
  • Juha Varis
    Juha Varis Member
    edited February 2019
    Could you briefly describe how to do it, Yeas I have very stabile reference equipments
  • Johan _ SE3X
    Johan _ SE3X Member ✭✭
    edited February 2019
    Juha, friends I had hoped could help are both travelling and not home now. If I could get some answers I will be back here.
  • Mike W8MM
    Mike W8MM Member ✭✭
    edited February 2019

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