Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC5TU callsign genealogy
Currently held by HALLS, RAINFORD R
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 KC5TU's current licensee, walking backwards.
- KI5YHCcancelledUniversity Of Tulsa Amateur Radio ClubOKgranted 2022-09-28cancelled 2023-10-31
Successor callsigns
Callsigns held now by people who previously held KC5TU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC5TU, oldest first.
- HALLS, RAINFORD R NM1996-03-28 → cancelled 2000-09-26
- University Of Tulsa Amateur Radio Club OK2010-07-30 → cancelled 2022-08-02
- University Of Tulsa Amateur Radio Club OK2023-10-31 active