Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4DT callsign genealogy
Currently held by SCHMITZ, NORBERT 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 KZ4DT's current licensee, walking backwards.
- SCHMITZ, NORBERT ANCgranted 2023-12-23cancelled 2024-02-05
Successor callsigns
Callsigns held now by people who previously held KZ4DT.
No current licensee on record previously held this callsign.