Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4ZJ callsign genealogy
Currently held by LaMountain, Garrison
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 KZ4ZJ's current licensee, walking backwards.
- LaMountain, GarrisonFLgranted 2026-01-16cancelled 2026-01-30
Successor callsigns
Callsigns held now by people who previously held KZ4ZJ.
No current licensee on record previously held this callsign.