Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC6U callsign genealogy
Currently held by ALEXANDER, JESSE K
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 AC6U's current licensee, walking backwards.
- ALLISON, WILLIAM HCAgranted 2008-12-16cancelled 2009-05-09
Successor callsigns
Callsigns held now by people who previously held AC6U.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AC6U, oldest first.
- ALEXANDER, JESSE K CA1997-04-10 → cancelled 2009-04-11
- ALLISON, WILLIAM H CA2019-04-10 active