Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4QT callsign genealogy
Currently held by Tudor, David 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 KZ4QT's current licensee, walking backwards.
- Tudor, David ATNgranted 2025-02-05cancelled 2025-03-04
Successor callsigns
Callsigns held now by people who previously held KZ4QT.
No current licensee on record previously held this callsign.