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

KR4ISY HAM

⏳ Not available yet — opens for vanity requests Apr 11, 2028, two years after the license was canceled (Apr 10, 2026).
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: Micheal T Smith

Held KR4ISY Jan 7, 2026 → Apr 10, 2026 · first licensed Jan 7, 2026 as KR4ISY · 2 licenses · FRN 0037791365

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 KR4ISY in the last 24 hours. They show up here within seconds of KR4ISY beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.