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Callsign:  KB1UM
Class:  Extra
Name:  GEIER, MICHAEL J
Address:  2038 Vineyard Drive
City:  Castle Rock
State:  CO
Zipcode:  80104
Status:  Active
Grant Date:  01/05/2024
Expires:  03/01/2034
Uls:  FCC Info

Ham call sign KB1UM in Castle Rock, CO

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