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

KR4JEF HAM

⏳ Not available yet — opens for vanity requests Mar 4, 2028, two years after the license was canceled (Mar 3, 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: Tsutomu Ohno

Held KR4JEF Jan 27, 2026 → Mar 3, 2026 · first licensed Jan 27, 2026 as KR4JEF · 2 licenses · FRN 0037760253

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 KR4JEF in the last 24 hours. They show up here within seconds of KR4JEF beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.