Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3NM callsign genealogy
Currently held by ERSBAK, JAMIE
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 W3NM's current licensee, walking backwards.
- Lee, Sang HoonINgranted 2004-09-13cancelled 2008-12-05
Successor callsigns
Callsigns held now by people who previously held W3NM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3NM, oldest first.
- ERSBAK, JAMIE PA1996-11-04 → cancelled 2008-11-05
- Lee, Sang Hoon ID2020-09-23 active