Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG4CFO callsign genealogy
Currently held by WOLFE, JOHNNY K
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 KG4CFO's current licensee, walking backwards.
- STRATOS, GIAN AVAgranted 2024-11-30cancelled 2024-12-24
Successor callsigns
Callsigns held now by people who previously held KG4CFO.
- NJ4UcancelledGEORGIA RADIO INTERACTIVE TELEGRAPHY SOCIETYGAgranted 2019-04-22cancelled 2026-01-21
All historical holders
Every license row we've seen with the callsign KG4CFO, oldest first.
- Stratos, Gian A VA2024-12-24 active
- WOLFE, JOHNNY K— → cancelled 1999-03-31