Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KY0O callsign genealogy
Currently held by FLOYD, FRED 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 KY0O's current licensee, walking backwards.
- MARTIN, CRAIG LMOgranted 2001-11-27cancelled 2008-01-01
Successor callsigns
Callsigns held now by people who previously held KY0O.
- FLOYD, FRED DMOgranted 1999-05-26cancelled 2011-05-27
All historical holders
Every license row we've seen with the callsign KY0O, oldest first.
- MARTIN, CRAIG L MO2017-10-30 active
- FLOYD, FRED D— → cancelled 1999-05-26