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

WM4P callsign genealogy

Currently held by WNK Contest Club

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 WM4P's current licensee, walking backwards.

  1. KO4ABactive· E
    Borges, Armando JFLgranted 2023-05-02
  2. KY4WUcancelled· E
    Borges, Armando JFLgranted 2022-02-14cancelled 2023-05-02
  3. KO4WRPcancelled· E
    Borges, Armando JFLgranted 2022-02-14cancelled 2023-03-28

Successor callsigns

Callsigns held now by people who previously held WM4P.

  1. NQ2Acancelled
    WNK Contest ClubFLgranted 2010-02-17cancelled 2018-05-01

All historical holders

Every license row we've seen with the callsign WM4P, oldest first.

  • JOHNSON, JOHN M NC
    1997-05-14 → cancelled 2009-05-15
  • WNK Contest Club FL
    2009-06-02 → cancelled 2010-02-17
  • BRYANT, TIMOTHY J FL
    2021-12-11 active
← Back to WM4P License history →