Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI4KKL callsign genealogy
Currently held by Butz, Richard L
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 KI4KKL's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KI4KKL.
- Butz, Richard LFLgranted 2005-05-31cancelled 2008-11-25