Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N3TWM callsign genealogy
Currently held by DUFFEY, EVAN J
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 N3TWM's current licensee, walking backwards.
- DUFFEY, EVAN JPAgranted 2009-11-06cancelled 2015-10-06
Successor callsigns
Callsigns held now by people who previously held N3TWM.
- DUFFEY, EVAN JCAgranted 2018-02-16
All historical holders
Every license row we've seen with the callsign N3TWM, oldest first.
- JONES, GERALD K MD1994-11-23 → cancelled 2006-11-25
- DUFFEY, EVAN J PA2015-10-06 → cancelled 2018-02-16