Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4CGF callsign genealogy
Currently held by Guffey, Christopher E
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 K4CGF's current licensee, walking backwards.
- Guffey, Christopher EGAgranted 2021-05-11cancelled 2021-06-04
Successor callsigns
Callsigns held now by people who previously held K4CGF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4CGF, oldest first.
- TILLER, RALPH E VA1994-05-10 → cancelled 2006-05-11
- Guffey, Christopher E GA2021-06-04 active