N9TPB FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 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 0011550440

Amateur (HAM) application

StatusGranted
PurposeModification
ReceivedMay 1, 2025
Last actionMay 20, 2025
Call signKD3BDU
ApplicantMason Cho · FRN 0036909604
Address as filedPO Box 83001, Gaithersburg, MD 20883
Requested callsK1HAB, K0CHO, N2CHO, K1MMC, K4COY

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