Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NZ4Z callsign genealogy
Currently held by PARKER, 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 NZ4Z's current licensee, walking backwards.
- Parker, Stephen AKYgranted 2006-01-13cancelled 2007-03-20
Successor callsigns
Callsigns held now by people who previously held NZ4Z.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NZ4Z, oldest first.
- HARDEMAN, ROBERT C AL1997-03-07 → cancelled 2003-12-13
- PARKER, STEPHEN A KY2017-01-05 active