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Callsign:  KM4OTR
Class:  Technician
Name:  Grabenstein, Callie J
Address:  1212 Grist Mill Cir
City:  Knoxville
State:  TN
Zipcode:  37909
Status:  Active
Grant Date:  11/10/2015
Expires:  11/10/2025
Uls:  FCC Info

Ham call sign KM4OTR in Knoxville, TN

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