Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1JMX callsign genealogy
Currently held by Martin, Jeff
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 N1JMX's current licensee, walking backwards.
- Martin, JeffCTgranted 2017-03-02cancelled 2022-03-29
Successor callsigns
Callsigns held now by people who previously held N1JMX.
- IRVINE JR, FRANK LNHgranted 2008-07-08cancelled 2020-07-09
All historical holders
Every license row we've seen with the callsign N1JMX, oldest first.
- Martin, Jeff CT2022-03-29 active
- —— → cancelled 1998-02-06