Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4HBG callsign genealogy
Currently held by CAUDELL, GARRY O
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 K4HBG's current licensee, walking backwards.
- HEPLER, GREGORY BNCgranted 2022-03-21cancelled 2022-08-05
Successor callsigns
Callsigns held now by people who previously held K4HBG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4HBG, oldest first.
- CAUDELL, GARRY O KY1994-03-22 → cancelled 2006-03-23
- HEPLER, GREGORY B NC2022-08-05 active