Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4KKW callsign genealogy
Currently held by MIHALL, JOHN J
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 K4KKW's current licensee, walking backwards.
- Heighington, Edward SFLgranted 2024-02-22cancelled 2024-06-08
Successor callsigns
Callsigns held now by people who previously held K4KKW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4KKW, oldest first.
- SCHOLZ, WALTER E FL1994-10-18 → cancelled 1997-03-23
- MIHALL, JOHN J FL2011-02-04 → cancelled 2023-04-25
- Heighington, Edward S FL2024-06-08 active