N9TPB FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 15, 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 · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)

Application 0012106825

Amateur (HAM) application

StatusGranted
PurposeModification
ReceivedJul 8, 2026
Last actionJul 28, 2026
Call signKO6LHZ
ApplicantChangbum Yoo · FRN 0009078916
Address as filed16560 Harbor Blvd Ste i, Fountain Valley, CA 92708
Requested callsK6IWY

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