Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4APK callsign genealogy
Currently held by Davis, Roger B
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 K4APK's current licensee, walking backwards.
- Davis, Roger BGAgranted 2022-03-15cancelled 2022-12-09
Successor callsigns
Callsigns held now by people who previously held K4APK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4APK, oldest first.
- PARKMAN, JOHN W GA2005-03-01 → cancelled 2017-05-26
- Davis, Roger B GA2022-12-09 active