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Callsign:  KO4OOJ
Class:  Extra
Name:  Zwierko, Richard C
City:  Herndon
State:  VA
Zipcode:  20170
Status:  Active
Grant Date:  03/22/2021
Expires:  03/22/2031
Uls:  FCC Info

KO4OOJ - Ham operator in Herndon, VA
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