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

K4WFM callsign genealogy

Currently held by MOORE III, WILLIAM F

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 K4WFM's current licensee, walking backwards.

  1. K4JCPactive· E
    PLEMONS JR, JOSEPH CGAgranted 2025-12-30
  2. WA4GZNcancelled· E
    Plemons Jr, Joseph CFLgranted 1999-03-24cancelled 2006-02-10

Successor callsigns

Callsigns held now by people who previously held K4WFM.

  1. K7WFMactive· G
    MC IVER, WARREN FWAgranted 2020-07-17

All historical holders

Every license row we've seen with the callsign K4WFM, oldest first.

  • MC IVER, WARREN F WA
    1998-02-09 → cancelled 2000-10-13
  • MOORE III, WILLIAM F FL
    2023-10-31 active
← Back to K4WFM License history →