Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4NZB callsign genealogy
Currently held by STEPHAN, JUERGEN
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 K4NZB's current licensee, walking backwards.
- STEPHAN, JUERGENFLgranted 2006-03-07cancelled 2006-08-22
Successor callsigns
Callsigns held now by people who previously held K4NZB.
No current licensee on record previously held this callsign.