Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK4WI callsign genealogy
Currently held by WALLACE, CHARLES R
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 KK4WI's current licensee, walking backwards.
- LANZA JR, BERNARD FFLgranted 2002-12-03cancelled 2009-12-29
Successor callsigns
Callsigns held now by people who previously held KK4WI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KK4WI, oldest first.
- WALLACE, CHARLES R FL1988-01-12 → cancelled 2000-01-13
- LANZA JR, BERNARD F FL2019-10-04 active