Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4JJM callsign genealogy
Currently held by MOUNT, JERRY 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 N4JJM's current licensee, walking backwards.
- Maher, John JFLgranted 2018-04-25cancelled 2024-07-13
Successor callsigns
Callsigns held now by people who previously held N4JJM.
- NICHOLS, DONALD WGAgranted 2013-11-27cancelled 2026-03-06
All historical holders
Every license row we've seen with the callsign N4JJM, oldest first.
- MOUNT, JERRY J GA2011-09-09 → cancelled 2023-10-13
- Maher JR, John J VA2024-07-13 active