Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WJ0B callsign genealogy
Currently held by KULLMAN, JOHN C
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 WJ0B's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WJ0B.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WJ0B, oldest first.
- Rees, Griffith H MN2007-10-26 → cancelled 2020-01-24
- KULLMAN, JOHN C KS2020-02-15 active