KO4OOJ - Ham operator in Herndon, VA

AMATEUR RADIO LICENSE SEARCH

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

Search any USA Ham Radio Callsign
Database updated once a week
Ham Callsigns search - version 2.1