Callsign: WB0YDI Class: Extra Name: Koopman, David E Address: 2600 Germain St City: Maplewood State: MN Zipcode: 55109 Status: Active Grant Date: 11/01/2017 Expires: 01/23/2028 Uls: FCC Info
Ham call sign WB0YDI in Maplewood, MN
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