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

KJ4JJU HAM

✅ Available for a vanity request — free since Mar 8, 2011.
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 Mar 8, 2011

Previous holder: Tia M Castaway

Held KJ4JJU Feb 12, 2009 → Mar 7, 2009 · first licensed Feb 12, 2009 as KJ4JJU · 2 licenses · FRN 0013230701

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 KJ4JJU in the last 24 hours. They show up here within seconds of KJ4JJU beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.