Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO8Y callsign genealogy
Currently held by KERANEN, ARTHUR A
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 KO8Y's current licensee, walking backwards.
- ROSENBERG, SEAN MCAgranted 2009-06-23cancelled 2011-08-12
Successor callsigns
Callsigns held now by people who previously held KO8Y.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KO8Y, oldest first.
- KERANEN, ARTHUR A MI1997-05-19 → cancelled 2009-05-20
- ROSENBERG, SEAN M CA2021-07-13 active