Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB6HJJ callsign genealogy
Currently held by Fontana High School Alumni Amateur Radio Club
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 WB6HJJ's current licensee, walking backwards.
- KO4DFUcancelledFontana High School Alumni Amateur Radio ClubNCgranted 2020-05-01cancelled 2020-05-23
Successor callsigns
Callsigns held now by people who previously held WB6HJJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB6HJJ, oldest first.
- FONTANA HIGH SCHOOL AMATEUR RADIO CLUB CA1997-07-08 → cancelled 2009-07-09
- Fontana High School Alumni Amateur Radio Club NC2020-05-23 active