Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI5YRD callsign genealogy
Currently held by Oklahoma DMR Society
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 KI5YRD'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 KI5YRD.
- WX5DMRactiveOklahoma DMR SocietyOKgranted 2022-11-26