Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4NK callsign genealogy
Currently held by SCHULTZE JR, ERWIN 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 KZ4NK's current licensee, walking backwards.
- SCHULTZE JR, ERWIN LVAgranted 2024-10-24cancelled 2024-11-19
Successor callsigns
Callsigns held now by people who previously held KZ4NK.
No current licensee on record previously held this callsign.