N9TPB FCC License Search
🕒 FCC license data updated yesterday 6:02 am CDT (FCC files through Oct 2, 2026) · next update today 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

KO4CTO HAM

✅ Available for a vanity request — free since Apr 22, 2022.
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 Apr 22, 2022

Previous holder: DANIEL P FERGUSON

Held KO4CTO Mar 18, 2020 → Apr 21, 2020 · first licensed Mar 18, 2020 as KO4CTO · 2 licenses · FRN 0029337946

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 KO4CTO in the last 24 hours. They show up here within seconds of KO4CTO beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.