Callsign: WA3HDU Class: Advanced Name: HOCK, FREDERICK R Address: 5106 W RUNNING BROOK RD City: COLUMBIA State: MD Zipcode: 21044 Status: Expired Grant Date: 02/25/1998 Expires: 02/25/2008 Uls: FCC Info
Ham call sign WA3HDU in COLUMBIA, MD
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