Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KZ4DF callsign genealogy
Currently held by TUZENEU, STEPHEN A
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 KZ4DF's current licensee, walking backwards.
- TUZENEU, STEPHEN AFLgranted 2016-07-05cancelled 2023-12-27
Successor callsigns
Callsigns held now by people who previously held KZ4DF.
No current licensee on record previously held this callsign.