Confidence: Medium · Source: FCC ULS · As of 2026-09-11
KB4AMZ callsign genealogy
Currently held by DANIELS, WILLIAM G
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 KB4AMZ's current licensee, walking backwards.
- Bullock, KeithSCgranted 2015-07-24cancelled 2015-08-14
Successor callsigns
Callsigns held now by people who previously held KB4AMZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB4AMZ, oldest first.
- DANIELS, WILLIAM G FL2002-04-29 → cancelled 2014-07-22
- Bullock, Keith SC2025-07-29 active