Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4LJ callsign genealogy
Currently held by THORNTON, GREGORY
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 KZ4LJ's current licensee, walking backwards.
- THORNTON, GREGORYTNgranted 2024-09-05cancelled 2024-09-11
Successor callsigns
Callsigns held now by people who previously held KZ4LJ.
- THORNTON, GREGORYTNgranted 2024-11-15