N9TPB FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 5, 2026) · next update tomorrow 6:00 am CDT
Ask: HAMs within 5 miles of N9TPB · Extra class operators in Madison, WI · or try N9TPB · K9* wildcards · Smith, John · 0004797601 (FRN) · 53703 · Madison, WI

Application 0009738701

Amateur (HAM) application

StatusGranted
PurposeModification
ReceivedOct 4, 2021
Last actionOct 22, 2021
Call signKO4TTU
ApplicantMatthew N Krinn · FRN 0022305940
Address as filed1123 Allsion Bluff Trl, Rock Hill, SC 29732
Requested callsKR1NN, KR1NNS, KR1NNM, K4PNK

From the FCC Universal Licensing System application files, updated every morning. Search the FCC's own records →