Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4CJG callsign genealogy
Currently held by FERGUSON, ALFRED
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 KF4CJG's current licensee, walking backwards.
- Graham, Clarissa JGAgranted 2017-03-13cancelled 2017-08-18
Successor callsigns
Callsigns held now by people who previously held KF4CJG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF4CJG, oldest first.
- FERGUSON, ALFRED SC1995-09-29 → cancelled 2007-08-09
- Graham, Clarissa J GA2017-08-18 active