KE9EFJ - Ham operator in North Aurora, IL

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Callsign: KE9EFJ
Class: Technician
Name: Yoo, Seong Yup
City: North Aurora
State: IL
Zipcode: 60542
Status: Active
Grant Date: 11/26/2025
Expires: 11/26/2035
Uls: FCC Info

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