Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI4UYF callsign genealogy
Currently held by Bates, 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 KI4UYF's current licensee, walking backwards.
- Bates, Michael AALgranted 2005-02-03cancelled 2007-04-05
Successor callsigns
Callsigns held now by people who previously held KI4UYF.
- Bates, Michael ATNgranted 2025-02-11