N9TPB FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 9:45 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

KO4DUR HAM

✅ Available for a vanity request — free since Dec 31, 2024.
2x3 call: any licensee can request it. No pending applications list it.

📬 QSL: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH

Not currently held · 1 holder on record · available since Dec 31, 2024

Previous holder: Larry L Sawyer

Held KO4DUR May 29, 2020 → Dec 30, 2022 · first licensed May 29, 2020 as KO4DUR · 2 licenses · FRN 0029619707

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

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KO4DUR in the last 24 hours. They show up here within seconds of KO4DUR beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.