N9TPB FCC License Search

🕒 FCC license data updated today 8:30 am CDT (FCC files through Oct 1, 2026) · next update tomorrow 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

W1DFX HAM

✅ Available for a vanity request — free since Apr 8, 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 · 2 holders on record · available since Apr 8, 2025

Previous holder: Robert J Smith

Held W1DFX Dec 17, 2021 → Apr 7, 2023 · first licensed Nov 29, 2021 as KO4VAO · 3 licenses · FRN 0031667207

K4DFX Active Technician · vanity Apr 7, 2023 → expires Apr 7, 2033

Licensee
Robert J Smith

Address
1115 POOR VALLEY RD
ROGERSVILLE, TN 37857-7310
36.4643, -83.0814 (street) · Grid EM86ll · CQ 4 · ITU 8 · map ↗

FRN
0031667207

Previous call
W1DFX

Last granted
Apr 7, 2023

Effective
Apr 7, 2023

Last action
Apr 7, 2023
FCC actions (2)
- Apr 7, 2023 — Vanity call sign granted VANGRT
- Apr 7, 2023 — License issued LIISS
W1DFX Canceled Technician · vanity Dec 17, 2021 → Apr 7, 2023 (canceled)

Licensee
Robert J Smith

Address
1115 POOR VALLEY RD
ROGERSVILLE, TN 37857-7310
36.4643, -83.0814 (street) · Grid EM86ll · CQ 4 · ITU 8 · map ↗

FRN
0031667207

Previous call
KO4VAO

Last granted
Dec 17, 2021

Effective
Dec 17, 2021

Last action
Apr 7, 2023
FCC actions (3)
- Apr 7, 2023 — License canceled LICAN
- Dec 17, 2021 — Vanity call sign granted VANGRT
- Dec 17, 2021 — License issued LIISS
KO4VAO Canceled Technician Nov 29, 2021 → Dec 17, 2021 (canceled)

Licensee
Robert J Smith

Address
1115 POOR VALLEY RD
ROGERSVILLE, TN 37857-7310
36.4643, -83.0814 (street) · Grid EM86ll · CQ 4 · ITU 8 · map ↗

FRN
0031667207

Last granted
Nov 29, 2021

Effective
Nov 29, 2021

Last action
Dec 17, 2021
FCC actions (3)
- Dec 17, 2021 — License canceled LICAN
- Nov 29, 2021 — License issued LIISS
- Nov 29, 2021 — Systematic call sign granted SYSGRT

Address history

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

Seen Apr 16, 2022 → Sep 27, 2026 · 35 snapshots · as KO4VAO
Robert J Smith
1115 POOR VALLEY RD, ROGERSVILLE, TN 37857-7310
36.4643, -83.0814 (street) · Grid EM86ll · CQ 4 · ITU 8 · map ↗

Previous holder: RICHARD J COOK

Held W1DFX Oct 24, 2006 → Oct 12, 2011 · first licensed May 13, 1999 as KG4DFX · 6 licenses · FRN 0003636065

KE6EE Active Amateur Extra · vanity Apr 11, 2023 → expires Apr 11, 2033

Licensee
RICHARD J COOK

Address
Attn: Richard J Cook
5521 Waldron St
Fair Oaks, CA 95628
38.6659, -121.2319 (street) · Grid CM98jp · CQ 3 · ITU 6 · map ↗

FRN
0003636065

Previous call
KE6II (General)

Last granted
Apr 11, 2023

Effective
Apr 11, 2023

Last action
Apr 11, 2023
FCC actions (2)
- Apr 11, 2023 — Vanity call sign granted VANGRT
- Apr 11, 2023 — License issued LIISS
📦 Moved: Grass Valley, CA → Fair Oaks, CA

KE6II Canceled Amateur Extra · vanity Aug 4, 2020 → Apr 11, 2023 (canceled)

Licensee
RICHARD J COOK

Address
Attn: Richard J Cook
5521 Waldron St
Fair Oaks, CA 95628
38.6659, -121.2319 (street) · Grid CM98jp · CQ 3 · ITU 6 · map ↗

FRN
0003636065

Previous call
K6FZ (General)

Last granted
Aug 4, 2020

Effective
Aug 23, 2022

Last action
Apr 11, 2023
FCC actions (5)
- Apr 11, 2023 — License canceled LICAN
- Aug 23, 2022 — Administrative update LIAUA
- Aug 27, 2021 — Administrative update LIAUA
- Aug 4, 2020 — Vanity call sign granted VANGRT
- Aug 4, 2020 — License issued LIISS
K6FZ Canceled Amateur Extra · vanity Jul 17, 2018 → Aug 4, 2020 (canceled)

Licensee
RICHARD COOK

Address
Attn: Richard Cook
890 Forest Glade Circle
Grass Valley, CA 95945
39.1933, -120.9801 (ZIP center) · Grid CM99me · CQ 3 · ITU 6 · map ↗

FRN
0003636065

Previous call
K1RTR (General)

Last granted
Jul 17, 2018

Effective
Jul 17, 2018

Last action
Aug 4, 2020
FCC actions (3)
- Aug 4, 2020 — License canceled LICAN
- Jul 17, 2018 — Vanity call sign granted VANGRT
- Jul 17, 2018 — License issued LIISS
📦 Moved: Clearwater, FL → Grass Valley, CA

K1RTR Canceled Amateur Extra · vanity Oct 12, 2011 → Jul 17, 2018 (canceled)

Licensee
RICHARD J COOK

Address
Attn: Richard Cook
890 Forest Glade Circle
Grass Valley, CA 95945
39.1933, -120.9801 (ZIP center) · Grid CM99me · CQ 3 · ITU 6 · map ↗

FRN
0003636065

Previous call
W1DFX (General)

Last granted
Oct 12, 2011

Effective
Nov 7, 2017

Last action
Jul 17, 2018
FCC actions (6)
- Jul 17, 2018 — License canceled LICAN
- Nov 7, 2017 — Administrative update LIAUA
- Nov 7, 2017 — Administrative update LIAUA
- Oct 31, 2017 — Administrative update LIAUA
- Oct 12, 2011 — Vanity call sign granted VANGRT
- Oct 12, 2011 — License issued LIISS
W1DFX Canceled Amateur Extra · vanity Oct 24, 2006 → Oct 12, 2011 (canceled)

Licensee
RICHARD J COOK

Address
1432 Lemon st
Clearwater, FL 33756
27.9456, -82.7940 (ZIP center) · Grid EL87ow · CQ 5 · ITU 8 · map ↗

FRN
0003636065

Previous call
KG4DFX (General)

Last granted
Oct 24, 2006

Effective
Nov 9, 2009

Last action
Oct 12, 2011
FCC actions (4)
- Oct 12, 2011 — License canceled LICAN
- Nov 9, 2009 — License modified LIMOD
- Oct 24, 2006 — Vanity call sign granted VANGRT
- Oct 24, 2006 — License issued LIISS
KG4DFX Canceled General May 13, 1999 → Oct 24, 2006 (canceled)

Licensee
Richard J Cook

Address
1432 Lemon St
Clearwater, FL 33756
27.9456, -82.7940 (ZIP center) · Grid EL87ow · CQ 5 · ITU 8 · map ↗

FRN
0003636065

Last granted
May 13, 1999

Effective
Oct 13, 2006

Last action
Oct 24, 2006
FCC actions (4)
- Oct 24, 2006 — License canceled LICAN
- Oct 13, 2006 — License modified LIMOD
- Jun 7, 2005 — Administrative update LIAUA
- Feb 6, 2004 — Administrative update LIAUA

Address history

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

Seen Apr 27, 2024 → Sep 27, 2026 · 22 snapshots · as KE6II
RICHARD J COOK
Attn: Richard J Cook
5521 Waldron St, Fair Oaks, CA 95628
38.6659, -121.2319 (street) · Grid CM98jp · CQ 3 · ITU 6 · map ↗
Seen Jan 2, 2018 → Sep 27, 2026 · 32 snapshots · as K1RTR
RICHARD J COOK
Attn: Richard Cook
890 Forest Glade Circle, Grass Valley, CA 95945
39.1933, -120.9801 (ZIP center) · Grid CM99me · CQ 3 · ITU 6 · map ↗
Seen May 27, 2010 → Sep 27, 2026 · 119 snapshots · as KG4DFX
Richard J Cook
1432 Lemon St, Clearwater, FL 33756
27.9456, -82.7940 (ZIP center) · Grid EL87ow · CQ 5 · ITU 8 · map ↗
Seen Apr 16, 2022 · 1 snapshot · as KE6II
RICHARD COOK
Attn: Richard Jackson Cook
8000 Sawgrass Cir, Citrus Heights, CA 95610
38.6949, -121.2722 (ZIP center) · Grid CM98iq · CQ 3 · ITU 6 · map ↗
Seen Nov 11, 2017 · 1 snapshot · as K1RTR
RICHARD J COOK
Attn: Richard Cook
PO Box 95945
890 Forest Glade Circle, Grass Valley, CA 95945
39.1933, -120.9801 (ZIP center) · Grid CM99me · CQ 3 · ITU 6 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as KG4DFX
RICHARD J COOK
8021-A Lake Louise Dr, Kodiak, AK 99615
57.6828, -153.3790 (ZIP center) · Grid BO37hq · CQ 1 · ITU 1 · map ↗

Others requesting W1DFX

3 applications listed W1DFX as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Nov 29, 2021	Dec 17, 2021	KO4VAO · Robert J Smith · ROGERSVILLE, TN	1	Granted
Oct 4, 2006	Oct 22, 2006	KG4DFX · RICHARD J COOK · Clearwater, FL	1	Granted
Mar 15, 2001	Apr 2, 2001	KC4ZCG · WILLIAM A MARTIN · RICHMOND, VA	12	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for W1DFX in the last 24 hours. They show up here within seconds of W1DFX beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.