Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4AHZ callsign genealogy
Currently held by BELL, BOCIL I
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 K4AHZ's current licensee, walking backwards.
- Hartley, Judson AFLgranted 2019-10-17cancelled 2019-11-08
Successor callsigns
Callsigns held now by people who previously held K4AHZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4AHZ, oldest first.
- BELL, BOCIL I NC1992-09-29 → cancelled 2004-09-30
- Hartley, Judson A KS2019-11-08 active