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- AMATEUR RADIO LICENSE SEARCH
Callsign: N8UMB
Class: Technician
Name: CHOWNING, MARK E
City: ST CHARLES
State: MO
Zipcode: 63303
Status: Active
Grant Date: 01/10/2024
Expires: 01/10/2034
Uls: FCC Info
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Ham Callsigns search - version 2.1
