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Callsign:  K1HAB
Class:  Technician
Name:  Cho, Mason
City:  Gaithersburg
State:  MD
Zipcode:  20883
Status:  Active
Grant Date:  05/20/2025
Expires:  05/20/2035
Uls:  FCC Info

Callsign:  KD3BDU
Class:  Technician
Name:  Cho, Mason
City:  Gaithersburg
State:  MD
Zipcode:  20883
Status:  Canceled
Grant Date:  04/25/2025
Expires:  04/25/2035
Uls:  FCC Info

Callsign:  WB2GKL
Name:  Levy, Sheldon R
City:  Gaithersburg
State:  MD
Zipcode:  20883
Status:  Expired
Grant Date:  09/24/1996
Expires:  09/24/2006
Uls:  FCC Info