Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N3WU callsign genealogy
Currently held by PFIRMAN, JOSEPH 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 N3WU's current licensee, walking backwards.
- PFIRMAN, JOSEPH MPAgranted 2004-06-02cancelled 2006-04-28
Successor callsigns
Callsigns held now by people who previously held N3WU.
No current licensee on record previously held this callsign.