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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

K6FUK callsign genealogy

Currently held by NADIR, MARK

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 K6FUK's current licensee, walking backwards.

  1. N6QVXactive· T
    BRADY Mr, SEAN PWAgranted 2025-06-03
  2. K7GZZcancelled· T
    BRADY Mr, SEAN PWAgranted 2022-03-25cancelled 2025-06-03

Successor callsigns

Callsigns held now by people who previously held K6FUK.

  1. K7GZZcancelled· T
    BRADY Mr, SEAN PWAgranted 2022-03-25cancelled 2025-06-03
  2. K7FUKcancelled· E
    NADIR, MARKNYgranted 2017-02-11cancelled 2017-03-14

All historical holders

Every license row we've seen with the callsign K6FUK, oldest first.

  • NADIR, MARK NY
    2017-01-18 → cancelled 2017-02-11
  • BRADY Mr, SEAN P WA
    2019-07-26 → cancelled 2022-03-25