N9TPB FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 9:45 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

W3CBT HAM

✅ Available for a vanity request — free since Apr 14, 2026.
1x3 call: Technician, General, Advanced and Amateur Extra licensees 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 14, 2026

Previous holder: RONALD J CZAK

Held W3CBT Apr 13, 2004 → Apr 13, 2024 · first licensed Jul 23, 1997 as WB3CDT · 2 licenses · FRN 0010640290

Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.

Others requesting W3CBT

2 applications listed W3CBT as a choice, newest first.

FiledAwardApplicantChoice #Status
Jun 11, 2018 Jun 29, 2018 KC3JJI · Michael R Mapes · CHADDS FORD, PA 2Dismissed
Mar 26, 2004 Apr 13, 2004 WB3CDT · RONALD J CZAK · GEORGETOWN, PA 1Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for W3CBT in the last 24 hours. They show up here within seconds of W3CBT beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.