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

K5FUK 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 K5FUK's current licensee, walking backwards.

  1. N3MNactive· E
    MANN SR, JOHN AVAgranted 2020-05-12
  2. W4JAMactive· G
    ACOSTA, JAIMEFLgranted 2022-10-18
  3. KQ4DMHcancelled· G
    ACOSTA, JAIMEFLgranted 2022-09-28cancelled 2022-10-18

Successor callsigns

Callsigns held now by people who previously held K5FUK.

  1. K8FUKcancelled· E
    NADIR, MARKNYgranted 2017-04-21cancelled 2017-05-09
← Back to K5FUK License history →