Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KG2JM callsign genealogy
Currently held by Finsen Jr, Gerald E
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 KG2JM's current licensee, walking backwards.
- Mamiye, Jeffrey ENYgranted 2025-11-29cancelled 2025-12-30
Successor callsigns
Callsigns held now by people who previously held KG2JM.
- FINSEN JR, GERALD ENJgranted 2026-08-11
All historical holders
Every license row we've seen with the callsign KG2JM, oldest first.
- Finsen Jr, Gerald E NJ2005-04-26 → cancelled 2006-09-23
- Mamiye, Jeffrey E NY2025-12-30 active