N9TPB FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 8:30 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

KN4ISK HAM

✅ Available for a vanity request — free since Feb 17, 2020.
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 Feb 17, 2020

Previous holder: CHARLOTTE COUNTY AMATEUR RADIO CLUB

Held KN4ISK Jan 3, 2018 → Feb 16, 2018 · first licensed Jan 3, 2018 as KN4ISK · 2 licenses · FRN 0027120351

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 KN4ISK in the last 24 hours. They show up here within seconds of KN4ISK beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.