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

K4XN callsign genealogy

Currently held by HAZELWOOD, MICHAEL D

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 K4XN's current licensee, walking backwards.

  1. KX4RCcancelled· E
    CARROLL, RICKY EVAgranted 2017-09-23cancelled 2025-01-22
  2. KX4FQcancelled· E
    CARROLL, RICKY EVAgranted 2008-08-26cancelled 2017-09-23
  3. W4ADIactive· E
    OSHINSKI, MICHAEL JNCgranted 2023-06-22
  4. KQ4IUMcancelled· G
    OSHINSKI, MICHAEL JNCgranted 2023-05-25cancelled 2023-06-22

Successor callsigns

Callsigns held now by people who previously held K4XN.

  1. W4MDHcancelled· E
    HAZELWOOD, MICHAEL DGAgranted 2001-03-13cancelled 2002-03-28

All historical holders

Every license row we've seen with the callsign K4XN, oldest first.

  • HAZELWOOD, MICHAEL D GA
    1999-05-05 → cancelled 2001-03-13
  • Kumiega, John G FL
    2013-01-23 → cancelled 2023-01-02
  • CARROLL, RICKY E VA
    2025-01-22 active
← Back to K4XN License history →