KO6KOI
Individual Licensee
Active
KO6KOI is
an active
FCC Amateur Radio license
(Technician class) issued to Riley Rettig
in Cotati, CA
. Granted August 14, 2025
; expires August 14, 2035.
License Details
Licensee Name
Riley Rettig
Entity Type
Individual
Operator Class
Grant Date
August 14, 2025
Expiration Date
August 14, 2035
Radio Service
Amateur Radio
(HA)
FCC Registration Number (FRN)
0037300894
Location & Details
City / State / ZIP
Cotati, CA
94931
Browse State
Browse City
Call Sign Group
Group D
(2×3 or longer format, all classes)
Region Code
6
(FCC geographic call sign district)