Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NZ6W callsign genealogy
Currently held by Witteborg, John F
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 NZ6W's current licensee, walking backwards.
- Witteborg, John FCAgranted 2009-01-21cancelled 2010-03-27
Successor callsigns
Callsigns held now by people who previously held NZ6W.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NZ6W, oldest first.
- VETTRUS, JERRY A OR2003-12-23 → cancelled 2006-08-26
- Witteborg, John F CA2019-12-31 active