Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4AVH callsign genealogy
Currently held by BELL, WILLIAM
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 K4AVH's current licensee, walking backwards.
- Bell, John EFLgranted 2020-02-18cancelled 2021-09-21
Successor callsigns
Callsigns held now by people who previously held K4AVH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4AVH, oldest first.
- BELL, WILLIAM FL2020-03-06 → cancelled 2021-08-18
- Bell, John E FL2021-09-21 active