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

KC4DUP HAM

✅ Available for a vanity request — free since Apr 2, 2010.
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 Apr 2, 2010

Previous holder: Pete Salvage

Held KC4DUP Mar 12, 2008 → Apr 1, 2008 · first licensed Mar 12, 2008 as KC4DUP · 2 licenses · FRN 0017055906

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 KC4DUP in the last 24 hours. They show up here within seconds of KC4DUP beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.