Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF4WM callsign genealogy
Currently held by Nall, John W
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 AF4WM's current licensee, walking backwards.
- NALL, JOHN WFLgranted 1999-02-23cancelled 2000-06-03
Successor callsigns
Callsigns held now by people who previously held AF4WM.
No current licensee on record previously held this callsign.