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

KC0GTR callsign genealogy

Currently held by YORK, DONALD 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 KC0GTR's current licensee, walking backwards.

  1. KF0OQLcancelled· G
    MAYZES, MARC CCOgranted 2024-01-03cancelled 2024-01-30
  2. KF0OOTcancelled· G
    MAYZES, MARC CCOgranted 2024-01-03cancelled 2024-01-11

Successor callsigns

Callsigns held now by people who previously held KC0GTR.

  1. KR0Xactive· E
    MAYZES, MARC CCOgranted 2024-08-30
  2. AK4MHexpired· E
    YORK, DONALD GGAgranted 2009-10-13cancelled 2021-11-24

All historical holders

Every license row we've seen with the callsign KC0GTR, oldest first.

  • YORK, DONALD G GA
    2009-10-13 → cancelled 2011-09-01
  • MAYZES, MARC C CO
    2024-01-30 → cancelled 2024-08-30
← Back to KC0GTR License history →