N9TPB FCC License Search
🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 5, 2026) · next update today 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

AC4UD HAM

✅ Available for a vanity request — free since Mar 16, 2016.
2x2 call: only Amateur Extra licensees can request it. No pending applications list it.
Last requested Nov 21, 2017 as choice 2: not granted, that applicant got AA4II instead.

📬 QSL: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH

Not currently held · 1 holder on record · available since Mar 16, 2016

Previous holder: Howard H Thornton

Held AC4UD Dec 17, 2003 → Mar 15, 2014 · first licensed Dec 17, 2003 as AC4UD · 1 license · FRN 0010033140

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

Others requesting AC4UD

1 application listed AC4UD as a choice, newest first.

FiledAwardApplicantChoice #AC4UDResult
Nov 21, 2017 Dec 9, 2017 KD4KSO · ROBERT D FOREST · WOODLAWN, TN 2Not granted They got AA4II (choice 1)

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for AC4UD in the last 24 hours. They show up here within seconds of AC4UD beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.