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

AA4FM callsign genealogy

Currently held by WORTHINGTON III, WILLIAM J

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 AA4FM's current licensee, walking backwards.

  1. K4HJactive· E
    NEWMAN JR, CHARLES SVAgranted 2022-10-12
  2. W4GGXcancelled· E
    NEWMAN JR, CHARLES SVAgranted 2017-03-07cancelled 2022-10-12
  3. KF4MDK
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held AA4FM.

No current licensee on record previously held this callsign.

← Back to AA4FM License history →