Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1MJM callsign genealogy
Currently held by LE BRETTON, JONATHAN 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 N1MJM's current licensee, walking backwards.
- Maltese, Matthew JPAgranted 2018-03-19cancelled 2018-04-20
Successor callsigns
Callsigns held now by people who previously held N1MJM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1MJM, oldest first.
- LE BRETTON, JONATHAN M MA1993-06-15 → cancelled 2005-06-16
- Maltese, Matthew J PA2018-04-20 active