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

N4CIW HAM

✅ Available for a vanity request — free since Jan 8, 2005.

1x3 call: Technician, General, Advanced and Amateur Extra licensees can request it. No pending applications list it.

📬 QSL: LoTW user · last upload Oct 15, 2003 · not eQSL AG · QRZ · HamQTH

Not currently held · 1 holder on record · available since Jan 8, 2005

Previous holder: THEOPHILUS B UNDERWOOD III

Held N4CIW Sep 17, 1999 → Jan 7, 2003 · first licensed Sep 17, 1999 as N4CIW · 2 licenses · FRN 0002611804

📦 Moved: Lawrenceville, GA → Sarasota, FL

W4NK Active Amateur Extra · vanity Jan 7, 2003 → expires Jan 7, 2033

Licensee
THEOPHILUS B UNDERWOOD III

Address
2360 Blue Mahoe Ln
Sarasota, FL 34240-1720
27.3519, -82.3959 (street) · Grid EL87ti · CQ 5 · ITU 8 · map ↗

FRN
0002611804

Previous call
N4CIW (Advanced)

Last granted
Nov 8, 2022

Effective
Jun 13, 2024

Last action
Jun 13, 2024
FCC actions (9)
- Jun 13, 2024 — Administrative update LIAUA
- Nov 8, 2022 — License renewed LIREN
- Jan 31, 2018 — Administrative update LIAUA
- Oct 12, 2012 — License renewed LIREN
- May 22, 2007 — Administrative update LIAUA
- May 10, 2005 — Administrative update LIAUA
- Jun 25, 2003 — Administrative update LIAUA
- Jan 7, 2003 — Vanity call sign granted VANGRT
- Jan 7, 2003 — License issued LIISS
N4CIW Canceled Amateur Extra Sep 17, 1999 → Jan 7, 2003 (canceled)

Licensee
THEOPHILUS B UNDERWOOD III

Address
1177 REALM LANE
LAWRENCEVILLE, GA 30044
33.9215, -84.0689 (ZIP center) · Grid EM73xw · CQ 5 · ITU 8 · map ↗

FRN
0002611804

Last granted
Oct 10, 2001

Effective
Oct 10, 2001

Last action
Jan 7, 2003
FCC actions (3)
- Jan 7, 2003 — License canceled LICAN
- Oct 10, 2001 — License renewed LIREN
- Sep 17, 1999 — Administrative update LIAUA

Address history

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

Seen Jul 1, 2024 → Oct 4, 2026 · 11 snapshots · as W4NK
THEOPHILUS B UNDERWOOD III
2360 Blue Mahoe Ln, Sarasota, FL 34240-1720
27.3519, -82.3959 (street) · Grid EL87ti · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as N4CIW
THEOPHILUS B UNDERWOOD III
1177 REALM LANE, LAWRENCEVILLE, GA 30044
33.9215, -84.0689 (ZIP center) · Grid EM73xw · CQ 5 · ITU 8 · map ↗
Seen May 7, 2018 → Apr 27, 2024 · 6 snapshots · as W4NK
THEOPHILUS B UNDERWOOD III
115 N Arrawana Ave Unit 11, Tampa, FL 33609
27.9426, -82.5150 (ZIP center) · Grid EL87rw · CQ 5 · ITU 8 · map ↗
Seen May 27, 2010 → Jan 2, 2018 · 30 snapshots · as W4NK
THEOPHILUS B UNDERWOOD III
403 S. FREMONT AVE UNIT 3, Tampa, FL 33606
27.9440, -82.4740 (ZIP center) · Grid EL87sw · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as W4NK
THEOPHILUS B UNDERWOOD III
PO Box 4140
Plant City, FL 33563
28.0171, -82.1258 (ZIP center) · Grid EL88wa · CQ 5 · ITU 8 · map ↗

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for N4CIW in the last 24 hours. They show up here within seconds of N4CIW beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.