N9TPB FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 26, 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 0002781534

Amateur (HAM) application

StatusGranted
PurposeModification
ReceivedOct 11, 2006
Last actionOct 31, 2006
Call signKB9QIS
ApplicantDEREK S LUDWIG · FRN 0009083098
Address as filed5109 4th Street, Brooklyn, MD 21225
Requested callsK3DSL, W3DSL, N3DSL, KA3DSL, KB3DSL

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