Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1MJF callsign genealogy
Currently held by Fitzgibbons, Matthew 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 W1MJF's current licensee, walking backwards.
- Fitzgibbons, Matthew JCTgranted 2004-04-16cancelled 2004-08-13
Successor callsigns
Callsigns held now by people who previously held W1MJF.
No current licensee on record previously held this callsign.