Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4PW callsign genealogy
Currently held by CARROLL, MICHAEL
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 KZ4PW's current licensee, walking backwards.
- CARROLL, MICHAELGAgranted 2024-11-02cancelled 2025-01-29
Successor callsigns
Callsigns held now by people who previously held KZ4PW.
No current licensee on record previously held this callsign.