KO4OOJ
Individual Licensee
Active
KO4OOJ is
an active
FCC Amateur Radio license
(Extra class) issued to Richard C. Zwierko
in Herndon, VA
. Granted March 22, 2021
; expires March 22, 2031.
License Details
Licensee Name
Richard C. Zwierko
Entity Type
Individual
Operator Class
Grant Date
March 22, 2021
Expiration Date
March 22, 2031
Radio Service
Amateur Radio
(HA)
FCC Registration Number (FRN)
0030658777
Location & Details
Address
1306 Mistyvale St
City / State / ZIP
Herndon, VA
20170
Browse State
Browse City
Previous Class
General
Call Sign Group
Group D
(2×3 or longer format, all classes)
Region Code
4
(FCC geographic call sign district)