Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N3STB callsign genealogy
Currently held by WURZBACHER, JOHN F
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 N3STB's current licensee, walking backwards.
- Jarmosevich, Angelo PNMgranted 2019-09-27cancelled 2024-12-27
Successor callsigns
Callsigns held now by people who previously held N3STB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3STB, oldest first.
- WURZBACHER, JOHN F PA1994-07-15 → cancelled 2006-07-18
- Jarmosevich, Angelo P NM2024-12-27 active