Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KY4ZW callsign genealogy
Currently held by Nelson, 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 KY4ZW's current licensee, walking backwards.
- Nelson, MichaelGAgranted 2023-05-09cancelled 2023-08-11
Successor callsigns
Callsigns held now by people who previously held KY4ZW.
No current licensee on record previously held this callsign.