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

K4WTN HAM

✅ Available for a vanity request — free since Jan 25, 2025.

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 Jan 25, 2025

Previous holder: John C Radvillas

Held K4WTN Aug 28, 2002 → Jan 24, 2023 · first licensed Sep 17, 1998 as WB9WTN · 2 licenses · FRN 0004849642

📦 Moved: Carpentersville, IL → Cullman, AL

K4WTN Expired Amateur Extra · vanity Aug 28, 2002 → Jan 24, 2023 (expired)

Licensee
John C Radvillas

Address
1935 B COUNTY RD 420
CULLMAN, AL 35057
34.1803, -86.9343 (ZIP center) · Grid EM64me · CQ 4 · ITU 8 · map ↗

FRN
0004849642

Previous call
WB9WTN (Technician)

Last granted
Jan 24, 2013

Effective
Jan 24, 2013

Last action
Jan 25, 2025
FCC actions (5)
- Jan 25, 2025 — License expired LIEXP
- Jan 24, 2013 — License renewed LIREN
- Dec 20, 2002 — License modified LIMOD
- Aug 28, 2002 — Vanity call sign granted VANGRT
- Aug 28, 2002 — License issued LIISS
WB9WTN Canceled Technician Plus Sep 17, 1998 → Aug 28, 2002 (canceled)

Licensee
JOHN C RADVILLAS

Address
87 BIRCH ST
CARPENTERSVILLE, IL 60110
42.1134, -88.2923 (ZIP center) · Grid EN52uc · CQ 4 · ITU 8 · map ↗

FRN
0004849642

Last granted
Sep 17, 1998

Effective
Sep 17, 1998

Last action
Aug 28, 2002
FCC actions (1)
- Aug 28, 2002 — License canceled LICAN

Address history

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

Seen Feb 18, 2013 → Oct 4, 2026 · 42 snapshots · as K4WTN
John C Radvillas
1935 B COUNTY RD 420, CULLMAN, AL 35057
34.1803, -86.9343 (ZIP center) · Grid EM64me · CQ 4 · ITU 8 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as WB9WTN
JOHN C RADVILLAS
87 BIRCH ST, CARPENTERSVILLE, IL 60110
42.1134, -88.2923 (ZIP center) · Grid EN52uc · CQ 4 · ITU 8 · map ↗
Seen Nov 7, 2004 → Jul 26, 2012 · 6 snapshots · as K4WTN
John C Radvillas
4721 Lumary Dr, Huntsville, AL 35810
34.8030, -86.6035 (ZIP center) · Grid EM64qt · CQ 4 · ITU 8 · map ↗

Others requesting K4WTN

2 applications listed K4WTN as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Aug 7, 2002	Aug 25, 2002	WB9WTN · JOHN C RADVILLAS · Huntsville, AL	1	Granted
Oct 9, 2001	Oct 27, 2001	N4UHE · WILLIAM W HAIRSTON · THOMPSONS STATION, TN	2	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for K4WTN in the last 24 hours. They show up here within seconds of K4WTN beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.