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Callsign:  K4ISY
Class:  Technician
Name:  Yopp, Isaac C
City:  Simpsonville
State:  SC
Zipcode:  29680
Status:  Active
Grant Date:  05/26/2023
Expires:  05/26/2033
Uls:  FCC Info

K4ISY - Ham operator in Simpsonville, SC
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