Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK4DBZ callsign genealogy
Currently held by KROENING, JOHN 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 KK4DBZ'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 KK4DBZ.
- KROENING, JOHN LFLgranted 2021-07-22cancelled 2023-01-04