Callsign: KB5YZY Class: Extra Name: Biernacki, Mark J Address: 31 Kentom Dr City: Olivette State: MO Zipcode: 63132 Status: Active Grant Date: 03/24/2023 Expires: 03/02/2033 Uls: FCC Info
Ham call sign KB5YZY in Olivette, MO
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