Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC7BU callsign genealogy
Currently held by Churchill, Alton V
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 AC7BU's current licensee, walking backwards.
- CHURCHILL, ERICH RNVgranted 2020-09-17cancelled 2021-07-20
Successor callsigns
Callsigns held now by people who previously held AC7BU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AC7BU, oldest first.
- Churchill, Alton V WA2017-04-11 → cancelled 2020-02-15
- CHURCHILL, ERICH R NV2021-07-20 active