Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0WJB callsign genealogy
Currently held by BRUNKHARDT, WILLIAM 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 W0WJB's current licensee, walking backwards.
- BRUNKHARDT, WILLIAM JKSgranted 2003-09-23cancelled 2006-08-18
Successor callsigns
Callsigns held now by people who previously held W0WJB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0WJB, oldest first.
- PLUMMER, RICHARD D KS1991-12-24 → cancelled 2000-04-21
- BRUNKHARDT, WILLIAM J KS2016-06-09 active