Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4CCJ callsign genealogy
Currently held by Johnstone, Cathleen C
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 KK4CCJ's current licensee, walking backwards.
- Johnstone, Cathleen CNCgranted 2026-02-07cancelled 2026-02-27
Successor callsigns
Callsigns held now by people who previously held KK4CCJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KK4CCJ, oldest first.
- Abney, Carter GA2011-05-16 → cancelled 2023-05-17
- Johnstone, Cathleen C NC2026-02-27 active