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

AA4WH callsign genealogy

Currently held by GORDON, CHARLES R

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 AA4WH's current licensee, walking backwards.

  1. W4EKPcancelled· E
    MATHISON, TIMOTHY DFLgranted 2020-08-28cancelled 2021-02-17
  2. KO4FXHcancelled· G
    MATHISON, TIMOTHY DFLgranted 2020-08-03cancelled 2020-08-28

Successor callsigns

Callsigns held now by people who previously held AA4WH.

  1. W4OHactive· E
    MATHISON, TIMOTHY DFLgranted 2022-02-12

All historical holders

Every license row we've seen with the callsign AA4WH, oldest first.

  • GORDON, CHARLES R FL
    2000-12-22 → cancelled 2013-03-13
  • MATHISON, TIMOTHY D FL
    2021-02-17 → cancelled 2022-02-12
← Back to AA4WH License history →