Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KZ7FZ callsign genealogy
Currently held by Hayes, Michael D
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 KZ7FZ's current licensee, walking backwards.
- Hayes, Michael DUTgranted 2017-02-08cancelled 2017-04-28
Successor callsigns
Callsigns held now by people who previously held KZ7FZ.
No current licensee on record previously held this callsign.