Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KY0S callsign genealogy
Currently held by Collison, Jason 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 KY0S's current licensee, walking backwards.
- Collison, Jason LIAgranted 2004-08-13cancelled 2004-10-30
Successor callsigns
Callsigns held now by people who previously held KY0S.
- HILL, CHARLES PCOgranted 2017-01-30