Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KY4KSP callsign genealogy
Currently held by HAZLETTE, TIM P
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 KY4KSP's current licensee, walking backwards.
- HAZLETTE, THOMAS PKYgranted 2002-12-27cancelled 2004-05-29
Successor callsigns
Callsigns held now by people who previously held KY4KSP.
No current licensee on record previously held this callsign.