Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4FJM callsign genealogy
Currently held by MONACO, FRANK 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 W4FJM's current licensee, walking backwards.
- MONACO, FRANK JFLgranted 2008-01-09cancelled 2010-12-17
- WD4FTHno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held W4FJM.
No current licensee on record previously held this callsign.