N9TPB FCC License Search
🕒 FCC license data updated yesterday 6:02 am CDT (FCC files through Oct 9, 2026) · next update today 7:15 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 0002111855

Amateur (HAM) application

StatusGranted
PurposeModification
ReceivedApr 4, 2005
Last actionApr 22, 2005
Call signAI4JS
ApplicantRobert L Madderra · FRN 0012294336
Address as filed3707 Dunwoody Club Dr, Atlanta, GA 30350
Requested callsKL4S, KF4SS, KA4DNC, KF9S, KA4U

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