N9TPB FCC License Search
🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 8:30 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 0012191525

Amateur (HAM) application

StatusGranted
PurposeModification
ReceivedSep 21, 2026
Last actionSep 21, 2026
Call signK5COH
ApplicantDongwon Yoo · FRN 0033872144
Address as filedKLA Orbotech Inc 44 Manning Rd, Billerica, MA 01821

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