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- AMATEUR RADIO LICENSE SEARCH
Callsign: AI4TO
Class: Extra
Name: FERGUSON, JOHN A
City: St Petereburg
State: FL
Zipcode: 33701
Status: Active
Grant Date: 01/26/2026
Expires: 01/18/2036
Uls: FCC Info
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Ham Callsigns search - version 2.1