N9TPB FCC License Search
🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 4, 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

KO4DTT HAM

✅ Available for a vanity request — free since Jan 23, 2024.
2x3 call: any licensee can request it. No pending applications list it.

📬 QSL: LoTW user · last upload Jul 25, 2020 · not eQSL AG · QRZ · HamQTH

Not currently held · 1 holder on record · available since Jan 23, 2024

Previous holder: Jeremy Harbin

Held KO4DTT May 29, 2020 → Jan 22, 2022 · first licensed May 29, 2020 as KO4DTT · 2 licenses · FRN 0029618220

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 KO4DTT in the last 24 hours. They show up here within seconds of KO4DTT beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.