Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA4BQ callsign genealogy
Currently held by GLENN, 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 AA4BQ's current licensee, walking backwards.
- GLENN, WILLIAM JFLgranted 1994-04-05cancelled 2001-02-27
Successor callsigns
Callsigns held now by people who previously held AA4BQ.
- GLENN, WILLIAM JFLgranted 1994-04-05cancelled 2001-02-27
All historical holders
Every license row we've seen with the callsign AA4BQ, oldest first.
- GLENN, WILLIAM J FL1994-04-05 → cancelled 2001-01-26
- GLENN, WILLIAM J FL2021-01-30 active