Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1YOK callsign genealogy
Currently held by Sparks, Cory R
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 K1YOK's current licensee, walking backwards.
- Sparks, Cory RAPgranted 2022-07-06cancelled 2022-07-26
Successor callsigns
Callsigns held now by people who previously held K1YOK.
No current licensee on record previously held this callsign.