Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4JM callsign genealogy
Currently held by MOUW, JOHN H
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 WA4JM's current licensee, walking backwards.
- MOUW, JOHN Hcancelled 1998-02-09
Successor callsigns
Callsigns held now by people who previously held WA4JM.
No current licensee on record previously held this callsign.