Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NG2M callsign genealogy
Currently held by Yen, Chih Min
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 NG2M's current licensee, walking backwards.
- STEVENSON, JOSEPH DNCgranted 2014-03-17cancelled 2016-08-05
Successor callsigns
Callsigns held now by people who previously held NG2M.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NG2M, oldest first.
- Yen, Chih Min NY2004-04-19 → cancelled 2016-07-16
- STEVENSON, JOSEPH D NC2016-08-05 active