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

KN4ZJO HAM

⏳ Not available yet — opens for vanity requests Jul 29, 2028, two years after the license was canceled (Jul 28, 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: Joe D Harwood

Held KN4ZJO Oct 25, 2019 → Jul 28, 2026 · first licensed Oct 25, 2019 as KN4ZJO · 2 licenses · FRN 0028877777

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 KN4ZJO in the last 24 hours. They show up here within seconds of KN4ZJO beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.