Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KZ4EW callsign genealogy
Currently held by GUY, MICHAEL 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 KZ4EW's current licensee, walking backwards.
- GUY, MICHAEL AFLgranted 2024-02-24cancelled 2024-03-07
Successor callsigns
Callsigns held now by people who previously held KZ4EW.
No current licensee on record previously held this callsign.