Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0HIO callsign genealogy
Currently held by Carter Jr, Larry D
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 K0HIO's current licensee, walking backwards.
- Carter Jr, Larry DOHgranted 2019-04-01cancelled 2020-05-05
Successor callsigns
Callsigns held now by people who previously held K0HIO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0HIO, oldest first.
- SPRUELL, DONALD R MO2007-01-24 → cancelled 2019-04-20
- Carter Jr, Larry D OH2020-05-05 active