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Callsign:  KN4IOY
Class:  General
Name:  Williamson, David B
Address:  2979 Valley Ave
City:  Winchester
State:  VA
Zipcode:  22601
Status:  Active
Grant Date:  12/20/2017
Expires:  12/20/2027
Uls:  FCC Info

Ham call sign KN4IOY in Winchester, VA

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