Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK4EEE callsign genealogy
Currently held by RONDINA, MARK 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 KK4EEE's current licensee, walking backwards.
- RONDINA, MARK JNCgranted 2022-04-04cancelled 2024-03-29
Successor callsigns
Callsigns held now by people who previously held KK4EEE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KK4EEE, oldest first.
- Schneider, Richard J GA2011-09-19 → cancelled 2023-09-20
- RONDINA, MARK J NC2024-03-29 active