Callsign: KO4MBJ Class: Technician Name: Sherman, Michael J City: Herndon State: VA Zipcode: 20170 Status: Active Grant Date: 02/08/2021 Expires: 02/08/2031 Uls: FCC Info
KO4MBJ - Ham operator in Herndon, VA
Search any USA Ham Radio Callsign Database updated once a week Ham Callsigns search - version 2.1