Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI4OYA callsign genealogy
Currently held by Law, John C
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 KI4OYA's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KI4OYA.
- Law, John CALgranted 2006-06-13cancelled 2007-06-26