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

Application 0004388771

Amateur (HAM) application

StatusGranted
PurposeModification
ReceivedSep 14, 2010
Last actionOct 2, 2010
Call signKC9NLN
ApplicantJeffery D Sonkowsky · FRN 0016211070
Address as filed827 West Elm Dr., Little Chute, WI 54140
Requested callsKC9SON, KC9JEF, KC9JDS, KC9WIS, KC9OUT

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