Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WW4JML callsign genealogy
Currently held by Leonard, James M
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 WW4JML's current licensee, walking backwards.
- Leonard, James MFLgranted 2022-11-19cancelled 2022-12-09
Successor callsigns
Callsigns held now by people who previously held WW4JML.
No current licensee on record previously held this callsign.