Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KZ4II callsign genealogy
Currently held by Drayton, Mark
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 KZ4II's current licensee, walking backwards.
- Drayton, MarkFLgranted 2024-05-08cancelled 2024-06-10
Successor callsigns
Callsigns held now by people who previously held KZ4II.
- Drayton, MarkFLgranted 2025-03-08