Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI5YHC callsign genealogy
Currently held by University Of Tulsa Amateur Radio Club
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 KI5YHC'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 KI5YHC.
- KC5TUactiveUniversity Of Tulsa Amateur Radio ClubOKgranted 2023-10-31