N9TPB FCC License Search

🕒 FCC license data updated yesterday 9:45 am CDT · next update today 7:15 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

K3XTX HAM

✅ Available for a vanity request — free since Jun 10, 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 Jun 10, 2025

Previous holder: William A Duckworth

Held K3XTX Feb 1, 2011 → Jun 9, 2023 · first licensed Sep 11, 2001 as KB3HAL · 3 licenses · FRN 0005393921

📦 Moved: Laplata, MD → La Plata, MD

W3WI Active Amateur Extra · vanity Jun 9, 2023 → expires Jun 9, 2033

Licensee
William A Duckworth

Address
Attn: William Duckworth
6305 fennell place
La plata, MD 20601
38.5401, -77.0025 (street) · Grid FM18lm · CQ 5 · ITU 8 · map ↗

FRN
0005393921

Previous call
K3XTX (General)

Last granted
Jun 9, 2023

Effective
Jun 9, 2023

Last action
Jun 9, 2023
FCC actions (2)
- Jun 9, 2023 — Vanity call sign granted VANGRT
- Jun 9, 2023 — License issued LIISS
K3XTX Canceled Amateur Extra · vanity Feb 1, 2011 → Jun 9, 2023 (canceled)

Licensee
William A Duckworth

Address
6305 fennell place
laplata, MD 20646
38.5207, -76.9999 (ZIP center) · Grid FM18mm · CQ 5 · ITU 8 · map ↗

FRN
0005393921

Previous call
KB3HAL (General)

Last granted
Dec 31, 2020

Effective
Dec 31, 2020

Last action
Jun 9, 2023
FCC actions (5)
- Jun 9, 2023 — License canceled LICAN
- Dec 31, 2020 — License renewed LIREN
- Feb 14, 2011 — License modified LIMOD
- Feb 1, 2011 — Vanity call sign granted VANGRT
- Feb 1, 2011 — License issued LIISS
KB3HAL Canceled General Sep 11, 2001 → Feb 1, 2011 (canceled)

Licensee
William A Duckworth

Address
6305 fennell place
laplata, MD 20646
38.5207, -76.9999 (ZIP center) · Grid FM18mm · CQ 5 · ITU 8 · map ↗

FRN
0005393921

Last granted
Sep 11, 2001

Effective
Apr 28, 2009

Last action
Feb 1, 2011
FCC actions (5)
- Feb 1, 2011 — License canceled LICAN
- Apr 28, 2009 — Administrative update LIAUA
- Apr 14, 2008 — License modified LIMOD
- May 3, 2007 — Administrative update LIAUA
- Sep 11, 2001 — License issued LIISS

Address history

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

Seen Apr 27, 2024 → Oct 4, 2026 · 12 snapshots · as W3WI
William A Duckworth
Attn: William Duckworth
6305 fennell place, La plata, MD 20601
38.5401, -77.0025 (street) · Grid FM18lm · CQ 5 · ITU 8 · map ↗
Seen May 27, 2010 → Oct 4, 2026 · 93 snapshots · as KB3HAL
William A Duckworth
6305 fennell place, laplata, MD 20646
38.5207, -76.9999 (ZIP center) · Grid FM18mm · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as KB3HAL
William A Duckworth
35905 Army-Navy Drive, Mechanicsville, MD 20659
38.4079, -76.7320 (ZIP center) · Grid FM18pj · CQ 5 · ITU 8 · map ↗

Others requesting K3XTX

1 application listed K3XTX as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Jan 12, 2011	Jan 30, 2011	KB3HAL · William A Duckworth · laplata, MD	1	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for K3XTX in the last 24 hours. They show up here within seconds of K3XTX beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.