Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NA7JM callsign genealogy
Currently held by AMUSSEN, JOHN 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 NA7JM's current licensee, walking backwards.
- AMUSSEN, JOHN MCAgranted 2013-10-17cancelled 2021-03-02
Successor callsigns
Callsigns held now by people who previously held NA7JM.
No current licensee on record previously held this callsign.