Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KZ4UG callsign genealogy
Currently held by Baker, Matthew
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 KZ4UG's current licensee, walking backwards.
- Baker, MatthewGAgranted 2025-04-01cancelled 2025-06-18
Successor callsigns
Callsigns held now by people who previously held KZ4UG.
- Baker, MatthewGAgranted 2025-07-18