N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 8:30 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

KJ4ESZ HAM

✅ Available for a vanity request — free since Jul 19, 2010.

2x3 call: any licensee 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 Jul 19, 2010

Previous holder: Rarefied Strata RadioSport

Held KJ4ESZ Jun 13, 2008 → Jul 18, 2008 · first licensed Aug 17, 1994 as KB7ET · 10 licenses · FRN 0005620539

📦 Moved: Deep Gap, NC → Manitou Springs, CO

W0JE Active Club / other · vanity Sep 22, 2020 → expires Sep 22, 2030

Licensee
Rarefied Strata RadioSport

Address
Attn: Stephen C Williams
PO Box 9
Manitou Springs, CO 80829
38.8291, -104.9330 (ZIP center) · Grid DM78mt · CQ 4 · ITU 7 · map ↗

FRN
0026785634

Previous call
W4EEJ

Trustee
W0ML

Last granted
Sep 22, 2020

Effective
May 31, 2024

Last action
May 31, 2024
FCC actions (5)
- May 31, 2024 — License modified LIMOD
- May 29, 2024 — License modified LIMOD
- Oct 8, 2020 — Administrative update LIAUA
- Sep 22, 2020 — Vanity call sign granted VANGRT
- Sep 22, 2020 — License issued LIISS
📦 Moved: James Island, SC → Deep Gap, NC

W4EEJ Canceled Club / other · vanity Jul 18, 2008 → Sep 22, 2020 (canceled)

Licensee
Charles Mauldin Memorial Amateur Radio Club

Address
Attn: Stephen C Williams
PO Box 9
Deep Gap, NC 28618
36.2135, -81.5169 (ZIP center) · Grid EM96ff · CQ 5 · ITU 8 · map ↗

FRN
0026785634

Previous call
KJ4ESZ

Trustee
W0ML

Last granted
Apr 18, 2019

Effective
Apr 18, 2019

Last action
Sep 22, 2020
FCC actions (7)
- Sep 22, 2020 — License canceled LICAN
- Apr 18, 2019 — License renewed LIREN
- Jul 19, 2017 — Administrative update LIAUA
- Nov 14, 2011 — Administrative update LIAUA
- Oct 27, 2011 — FCC action LTSFNR
- Jul 18, 2008 — Vanity call sign granted VANGRT
- Jul 18, 2008 — License issued LIISS
📦 Moved: Deep Gap, NC → James Island, SC

KJ4ESZ Canceled Club / other Jun 13, 2008 → Jul 18, 2008 (canceled)

Licensee
Charles Mauldin Memorial Amateur Radio Club

Address
Attn: Stephen C Williams
1628 Folly Creek Way
James Island, SC 29412
32.7120, -79.9522 (ZIP center) · Grid FM02ar · CQ 5 · ITU 8 · map ↗

FRN
0017860818

Trustee
WB4ZCP

Last granted
Jun 13, 2008

Effective
Jun 13, 2008

Last action
Jul 18, 2008
FCC actions (3)
- Jul 18, 2008 — License canceled LICAN
- Jun 13, 2008 — License issued LIISS
- Jun 13, 2008 — Systematic call sign granted SYSGRT
📦 Moved: Bastrop, TX → Deep Gap, NC

K5HO Canceled Club / other · vanity Jun 29, 2007 → Jan 4, 2021 (canceled)

Licensee
THE DIRTS

Address
Attn: STEPHEN C WILLIAMS
PO Box 9
Deep Gap, NC 28618
36.2135, -81.5169 (ZIP center) · Grid EM96ff · CQ 5 · ITU 8 · map ↗

FRN
0026785634

Previous call
KE5OKF

Trustee
W0ML

Last granted
Jul 19, 2017

Effective
Jul 20, 2017

Last action
Jan 7, 2021
FCC actions (11)
- Jan 7, 2021 — Record corrected COR
- Jan 7, 2021 — Record corrected COR
- Jul 20, 2017 — Administrative update LIAUA
- Jul 19, 2017 — License renewed LIREN
- Nov 14, 2011 — Administrative update LIAUA
- Oct 27, 2011 — FCC action LTSFNR
- Mar 18, 2008 — Administrative update LIAUA
- Oct 3, 2007 — Administrative update LIAUA
- Aug 31, 2007 — Administrative update LIAUA
- Jun 29, 2007 — Vanity call sign granted VANGRT
- Jun 29, 2007 — License issued LIISS
KM5M Active Amateur Extra · vanity Jun 10, 2005 → expires Jun 10, 2035

Licensee
JAMES W SHEFFIELD

Address
362 Pine Tree Loop
BASTROP, TX 78602-5612
30.1532, -97.2619 (street) · Grid EM10id · CQ 4 · ITU 7 · map ↗

FRN
0005620539

Previous call
K5HO (Advanced)

Last granted
May 30, 2025

Effective
Jun 2, 2025

Last action
Jun 2, 2025
FCC actions (5)
- Jun 2, 2025 — Administrative update LIAUA
- May 30, 2025 — License renewed LIREN
- May 22, 2015 — License renewed LIREN
- Jun 10, 2005 — Vanity call sign granted VANGRT
- Jun 10, 2005 — License issued LIISS
K5HO Canceled Amateur Extra · vanity Nov 22, 2002 → Jun 10, 2005 (canceled)

Licensee
James W Sheffield

Address
362 Pine Tree Loop
Bastrop, TX 78602-5612
30.1532, -97.2619 (street) · Grid EM10id · CQ 4 · ITU 7 · map ↗

FRN
0026785634

Previous call
N9EX (Advanced)

Last granted
Nov 22, 2002

Effective
Nov 22, 2002

Last action
Aug 25, 2017
FCC actions (3)
- Jun 10, 2005 — License canceled LICAN
- Nov 22, 2002 — Vanity call sign granted VANGRT
- Nov 22, 2002 — License issued LIISS
N9EX Canceled Amateur Extra · vanity Sep 13, 2002 → Nov 22, 2002 (canceled)

Licensee
James W Sheffield

Address
362 Pine Tree Loop
Bastrop, TX 78602-5612
30.1532, -97.2619 (street) · Grid EM10id · CQ 4 · ITU 7 · map ↗

FRN
0005620539

Previous call
WE5F (Advanced)

Last granted
Sep 13, 2002

Effective
Sep 13, 2002

Last action
Nov 22, 2002
FCC actions (3)
- Nov 22, 2002 — License canceled LICAN
- Sep 13, 2002 — Vanity call sign granted VANGRT
- Sep 13, 2002 — License issued LIISS
📦 Moved: La Mirada, CA → Bastrop, TX

WE5F Canceled Amateur Extra · vanity Oct 7, 2001 → Sep 13, 2002 (canceled)

Licensee
James W Sheffield

Address
362 Pine Tree Loop
Bastrop, TX 78602-5612
30.1532, -97.2619 (street) · Grid EM10id · CQ 4 · ITU 7 · map ↗

FRN
0005620539

Previous call
KB7ET (Advanced)

Last granted
Oct 7, 2001

Effective
Oct 7, 2001

Last action
Dec 14, 2024
FCC actions (3)
- Sep 13, 2002 — License canceled LICAN
- Oct 7, 2001 — Vanity call sign granted VANGRT
- Oct 7, 2001 — License issued LIISS
📦 Moved: Bastrop, TX → La Mirada, CA

K5HO Canceled Club / other · vanity Nov 4, 1996 → Nov 3, 2000 (canceled)

Licensee
WATERTOWN AMATEUR RADIO SOCIETY

Address
14109 WHITEROCK DR
LA MIRADA, CA 90638
33.9017, -118.0142 (street) · Grid DM03xv · CQ 3 · ITU 6 · map ↗

FRN
0026785634

Previous call
KE6SZN

Trustee
AA6KT

Last granted
Nov 4, 1996

Effective
Nov 4, 1996

Last action
Aug 25, 2017
FCC actions (2)
- Nov 28, 2000 — Record corrected COR
- Nov 28, 2000 — Record corrected COR
KB7ET Canceled Amateur Extra Aug 17, 1994 → Oct 7, 2001 (canceled)

Licensee
James W Sheffield

Address
362 Pine Tree Loop
Bastrop, TX 78602-5612
30.1532, -97.2619 (street) · Grid EM10id · CQ 4 · ITU 7 · map ↗

FRN
0005620539

Last granted
Aug 17, 1994

Effective
Aug 10, 2001

Last action
Oct 7, 2001
FCC actions (3)
- Oct 7, 2001 — License canceled LICAN
- Aug 10, 2001 — License modified LIMOD
- Aug 10, 2001 — FCC action LITIN

Address history

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

Seen Apr 16, 2022 → Oct 4, 2026 · 13 snapshots · as W0JE
Rarefied Strata RadioSport
Attn: Stephen C Williams
PO Box 9
Manitou Springs, CO 80829
38.8291, -104.9330 (ZIP center) · Grid DM78mt · CQ 4 · ITU 7 · map ↗
Seen Sep 5, 2017 → Oct 4, 2026 · 40 snapshots · as K5HO
THE DIRTS
Attn: STEPHEN C WILLIAMS
PO Box 9
Deep Gap, NC 28618
36.2135, -81.5169 (ZIP center) · Grid EM96ff · CQ 5 · ITU 8 · map ↗
Seen May 27, 2010 → Oct 4, 2026 · 53 snapshots · as KJ4ESZ
Charles Mauldin Memorial Amateur Radio Club
Attn: Stephen C Williams
1628 Folly Creek Way, James Island, SC 29412
32.7120, -79.9522 (ZIP center) · Grid FM02ar · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as K5HO
WATERTOWN AMATEUR RADIO SOCIETY
14109 WHITEROCK DR, LA MIRADA, CA 90638
33.9017, -118.0142 (street) · Grid DM03xv · CQ 3 · ITU 6 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 239 snapshots · as KB7ET
James W Sheffield
362 Pine Tree Loop, Bastrop, TX 78602-5612
30.1532, -97.2619 (street) · Grid EM10id · CQ 4 · ITU 7 · map ↗
Seen May 28, 2012 → May 12, 2017 · 48 snapshots · as K5HO
THE DIRTS
Attn: STEPHEN C WILLIAMS
PO Box 51368
COLORADO SPRINGS, CO 80949

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KJ4ESZ in the last 24 hours. They show up here within seconds of KJ4ESZ beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.