Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N3TWZ callsign genealogy
Currently held by BUSALACCHI, PAUL 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 N3TWZ's current licensee, walking backwards.
- Busalacchi, Paul JPAgranted 2025-06-11cancelled 2025-07-01
Successor callsigns
Callsigns held now by people who previously held N3TWZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3TWZ, oldest first.
- BUSALACCHI, PAUL J PA1995-01-27 → cancelled 2006-12-02
- Busalacchi, Paul J PA2025-07-01 active