N9TPB FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 5, 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

KR4AAO HAM

⏳ Not available yet — opens for vanity requests Dec 31, 2027, two years after the license was canceled (Dec 30, 2025).
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

Previous holder: Logan M Horne

Held KR4AAO Dec 27, 2024 → Dec 30, 2025 · first licensed Dec 27, 2024 as KR4AAO · 2 licenses · FRN 0034693911

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 KR4AAO in the last 24 hours. They show up here within seconds of KR4AAO beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.