Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5OH callsign genealogy
Currently held by CARTER, CHRISTOPHER
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 K5OH's current licensee, walking backwards.
- CARTER, CHRISTOPHERINgranted 2022-11-22cancelled 2026-09-01
Successor callsigns
Callsigns held now by people who previously held K5OH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5OH, oldest first.
- WARREN, HENRY T OK2017-04-19 → cancelled 2024-08-13
- CARTER, CHRISTOPHER IN2026-09-01 active