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- AMATEUR RADIO LICENSE SEARCH
Callsign: KB9S
Class: Extra
Name: SEYFFER, MARK V
City: Eau Claire
State: WI
Zipcode: 54701
Status: Active
Grant Date: 02/06/2025
Expires: 03/17/2035
Uls: FCC Info
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Ham Callsigns search - version 2.1
