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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

KF7O callsign genealogy

Currently held by DISBROW, LYNNFORD E

The FCC publishes a previous_call_sign on every amateur license — a self-link to the licensee's prior callsign. Following those links produces the chain below.

Previous callsigns

Older callsigns held by KF7O's current licensee, walking backwards.

  1. AC6TTactive· E
    De Leon, Cesar MCAgranted 2022-12-28
  2. W6CSRcancelled· E
    De Leon, Cesar MCAgranted 2021-07-24cancelled 2022-12-28
  3. W6ZFXcancelled· T
    De Leon, Cesar MCAgranted 2019-04-26cancelled 2021-07-24
  4. KM6ZFXcancelled· T
    De Leon, Cesar MCAgranted 2019-01-31cancelled 2019-04-26

Successor callsigns

Callsigns held now by people who previously held KF7O.

  1. K7VGactive· E
    STRIPLIN, MICHAEL GAZgranted 2019-04-27

All historical holders

Every license row we've seen with the callsign KF7O, oldest first.

  • DISBROW, LYNNFORD E NV
    1997-02-18 → cancelled 2009-02-19
  • STRIPLIN, MICHAEL G AZ
    2009-03-17 → cancelled 2009-04-28
  • HAYNAL, STEVEN P OR
    2021-03-25 active