Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KY1KSP callsign genealogy
Currently held by CROW III, WILLIAM T
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 KY1KSP's current licensee, walking backwards.
- CROW III, WILLIAM TKYgranted 2004-11-03cancelled 2006-03-03
Successor callsigns
Callsigns held now by people who previously held KY1KSP.
No current licensee on record previously held this callsign.