N9TPB FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 29, 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)

David J Althoen

FRN 0003121951 · first licensed Aug 30, 2001 as K6YHL · 1 license on record

📝 FCC Applications (5)

ReceivedFile numberServicePurposeStatusCall
Aug 24, 20090003944665 HAMDuplicate licenseGranted K6YHL
Jul 10, 20090003896423 HAMAdministrative updateGranted K6YHL
Dec 19, 20070003263131 HAMRenewalGranted K6YHL
Jun 5, 20020000914278 HAMModificationGranted K6YHL
Aug 30, 20010000580826 HAMAdministrative updateGranted K6YHL

Complete Licensing History

Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.