Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC4BH callsign genealogy
Currently held by MC MILLAN, WILLIAM F
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 AC4BH's current licensee, walking backwards.
- Hawkins, Bruce JTNgranted 2025-09-10cancelled 2026-05-27
Successor callsigns
Callsigns held now by people who previously held AC4BH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AC4BH, oldest first.
- MC MILLAN, WILLIAM F VA2010-10-21 → cancelled 2022-12-20
- Hawkins, Bruce J TN2026-05-27 active