Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3SJP callsign genealogy
Currently held by Peters, Stefan 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 W3SJP's current licensee, walking backwards.
- Peters, Stefan JMAgranted 2016-12-07cancelled 2016-12-28
Successor callsigns
Callsigns held now by people who previously held W3SJP.
No current licensee on record previously held this callsign.