Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0EBJ callsign genealogy
Currently held by KOEFERL, JOSEF
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 W0EBJ's current licensee, walking backwards.
- KOEFERL, JOSEFGAgranted 1999-07-19cancelled 1999-09-30
Successor callsigns
Callsigns held now by people who previously held W0EBJ.
No current licensee on record previously held this callsign.