Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KY4OKH callsign genealogy
Currently held by Langford, Michael L
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 KY4OKH's current licensee, walking backwards.
- Langford, Michael LKYgranted 2019-01-30cancelled 2019-02-22
Successor callsigns
Callsigns held now by people who previously held KY4OKH.
No current licensee on record previously held this callsign.