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

KZ4UZ callsign genealogy

Currently held by Harmon, Matthew G

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 KZ4UZ's current licensee, walking backwards.

  1. WB4VFLcancelled· E
    Harmon, Matthew GTNgranted 2017-06-23cancelled 2025-07-17
  2. WB4VOLactive· G
    Burnette, Billy JTNgranted 2024-06-18
  3. KQ4SMEcancelled· G
    Burnette, Billy JTNgranted 2024-05-30cancelled 2024-06-18

Successor callsigns

Callsigns held now by people who previously held KZ4UZ.

  1. KZ5MHactive· E
    Harmon, Matthew GTNgranted 2025-09-06
← Back to KZ4UZ License history →