Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB4BB callsign genealogy
Currently held by BROWNING, 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 AB4BB's current licensee, walking backwards.
- KD7KPJcancelledBURT FAMILY AMATEUR RADIO CLUBUTgranted 2000-10-13cancelled 2004-09-08
Successor callsigns
Callsigns held now by people who previously held AB4BB.
- BATES, JOHN CKYgranted 2010-12-17cancelled 2023-03-13
All historical holders
Every license row we've seen with the callsign AB4BB, oldest first.
- BROWNING, WILLIAM J SC1999-11-13 → cancelled 2000-03-07
- BURT FAMILY AMATEUR RADIO CLUB UT2014-10-31 active