Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4AJ callsign genealogy
Currently held by Norton, Todd 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 KZ4AJ's current licensee, walking backwards.
- Norton, Todd AGAgranted 2023-07-01cancelled 2023-08-23
Successor callsigns
Callsigns held now by people who previously held KZ4AJ.
No current licensee on record previously held this callsign.