Callsign: N3OPK Class: Technician Name: MARSHALL, BRUCE R Address: 5048 W RUNNING BROOK RD City: COLUMBIA State: MD Zipcode: 21044 Status: Expired Grant Date: 03/23/1993 Expires: 03/23/2003 Uls: FCC Info
Ham call sign N3OPK in COLUMBIA, MD
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