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

KD4CX HAM

✅ Available for a vanity request — free since Mar 10, 2023.

2x2 call: 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 Mar 10, 2023

Previous holder: ROBERT W HENDERSON

Held KD4CX Jul 2, 2019 → Mar 9, 2021 · first licensed Jun 4, 2002 as KG4TQQ · 7 licenses · FRN 0007191331

N0CK Active Amateur Extra · vanity Jan 11, 2025 → expires Jan 11, 2035

Licensee
ROBERT W HENDERSON

Address
225 LARK AVE
SEBRING, FL 33870-8530
27.4986, -81.4923 (street) · Grid EL97gl · CQ 5 · ITU 8 · map ↗

FRN
0007191331

Previous call
N4RWH (General)

Last granted
Jan 11, 2025

Effective
Jan 11, 2025

Last action
Jan 11, 2025
FCC actions (2)
- Jan 11, 2025 — Vanity call sign granted VANGRT
- Jan 11, 2025 — License issued LIISS
N4RWH Canceled Amateur Extra · vanity Mar 9, 2021 → Jan 11, 2025 (canceled)

Licensee
ROBERT W HENDERSON

Address
225 LARK AVE
SEBRING, FL 33870-8530
27.4986, -81.4923 (street) · Grid EL97gl · CQ 5 · ITU 8 · map ↗

FRN
0007191331

Previous call
KD4CX (General)

Last granted
Mar 9, 2021

Effective
Mar 9, 2021

Last action
Jan 11, 2025
FCC actions (3)
- Jan 11, 2025 — License canceled LICAN
- Mar 9, 2021 — Vanity call sign granted VANGRT
- Mar 9, 2021 — License issued LIISS
KD4CX Canceled Amateur Extra · vanity Jul 2, 2019 → Mar 9, 2021 (canceled)

Licensee
ROBERT W HENDERSON

Address
225 LARK AVE
SEBRING, FL 33870-8530
27.4986, -81.4923 (street) · Grid EL97gl · CQ 5 · ITU 8 · map ↗

FRN
0007191331

Previous call
NT4Z (General)

Last granted
Jul 2, 2019

Effective
Jul 2, 2019

Last action
Mar 9, 2021
FCC actions (3)
- Mar 9, 2021 — License canceled LICAN
- Jul 2, 2019 — Vanity call sign granted VANGRT
- Jul 2, 2019 — License issued LIISS
NT4Z Canceled Amateur Extra · vanity Nov 30, 2013 → Jul 2, 2019 (canceled)

Licensee
ROBERT W HENDERSON

Address
225 LARK AVE
SEBRING, FL 33870-8530
27.4986, -81.4923 (street) · Grid EL97gl · CQ 5 · ITU 8 · map ↗

FRN
0007191331

Previous call
KD4CX (General)

Last granted
Nov 30, 2013

Effective
May 5, 2014

Last action
Jul 2, 2019
FCC actions (4)
- Jul 2, 2019 — License canceled LICAN
- May 5, 2014 — Administrative update LIAUA
- Nov 30, 2013 — Vanity call sign granted VANGRT
- Nov 30, 2013 — License issued LIISS
KD4CX Canceled Amateur Extra · vanity Nov 20, 2012 → Nov 30, 2013 (canceled)

Licensee
ROBERT W HENDERSON

Address
225 LARK AVE
SEBRING, FL 33872
27.5052, -81.5460 (ZIP center) · Grid EL97fm · CQ 5 · ITU 8 · map ↗

FRN
0007191331

Previous call
N4RWH (General)

Last granted
Nov 20, 2012

Effective
Nov 20, 2012

Last action
Nov 30, 2013
FCC actions (3)
- Nov 30, 2013 — License canceled LICAN
- Nov 20, 2012 — Vanity call sign granted VANGRT
- Nov 20, 2012 — License issued LIISS
N4RWH Canceled Amateur Extra · vanity Aug 13, 2010 → Nov 20, 2012 (canceled)

Licensee
ROBERT W HENDERSON

Address
225 LARK AVE
SEBRING, FL 33872
27.5052, -81.5460 (ZIP center) · Grid EL97fm · CQ 5 · ITU 8 · map ↗

FRN
0007191331

Previous call
KG4TQQ (General)

Last granted
Aug 13, 2010

Effective
May 9, 2012

Last action
Nov 20, 2012
FCC actions (4)
- Nov 20, 2012 — License canceled LICAN
- May 9, 2012 — License modified LIMOD
- Aug 13, 2010 — Vanity call sign granted VANGRT
- Aug 13, 2010 — License issued LIISS
KG4TQQ Canceled General Jun 4, 2002 → Aug 13, 2010 (canceled)

Licensee
ROBERT W HENDERSON

Address
225 LARK AVE
SEBRING, FL 33872
27.5052, -81.5460 (ZIP center) · Grid EL97fm · CQ 5 · ITU 8 · map ↗

FRN
0007191331

Last granted
Jun 4, 2002

Effective
Oct 30, 2002

Last action
Aug 13, 2010
FCC actions (3)
- Aug 13, 2010 — License canceled LICAN
- Oct 30, 2002 — License modified LIMOD
- Jun 4, 2002 — License issued LIISS

Address history

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

Seen May 22, 2014 → Oct 4, 2026 · 70 snapshots · as NT4Z
ROBERT W HENDERSON
225 LARK AVE, SEBRING, FL 33870-8530
27.4986, -81.4923 (street) · Grid EL97gl · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 137 snapshots · as KG4TQQ
ROBERT W HENDERSON
225 LARK AVE, SEBRING, FL 33872
27.5052, -81.5460 (ZIP center) · Grid EL97fm · CQ 5 · ITU 8 · map ↗

Previous holder: Ronald G Harvey

Held KD4CX Feb 10, 1999 → Aug 7, 2001 · first licensed Feb 10, 1999 as KD4CX · 3 licenses · FRN 0004201562

K4HT Active Amateur Extra · vanity Mar 30, 2002 → expires Mar 30, 2032

Licensee
Ronald G Harvey

Address
114 Stargate Drive
Madison, AL 35758
34.7276, -86.7344 (street) · Grid EM64pr · CQ 4 · ITU 8 · map ↗

FRN
0004201562

Previous call
K4IY (Advanced)

Last granted
Jan 21, 2022

Effective
Jan 21, 2022

Last action
Jan 21, 2022
FCC actions (6)
- Jan 21, 2022 — License renewed LIREN
- Oct 26, 2021 — Administrative update LIAUA
- Jan 14, 2012 — License renewed LIREN
- Jan 12, 2012 — Administrative update LIAUA
- Mar 30, 2002 — Vanity call sign granted VANGRT
- Mar 30, 2002 — License issued LIISS
K4IY Canceled Amateur Extra · vanity Aug 7, 2001 → Mar 30, 2002 (canceled)

Licensee
Ronald G Harvey

Address
114 Stargate Drive
Madison, AL 35758
34.7276, -86.7344 (street) · Grid EM64pr · CQ 4 · ITU 8 · map ↗

FRN
0004201562

Previous call
KD4CX (Advanced)

Last granted
Aug 7, 2001

Effective
Aug 7, 2001

Last action
Mar 30, 2002
FCC actions (2)
- Mar 30, 2002 — License canceled LICAN
- Aug 7, 2001 — License issued LIISS
KD4CX Canceled Amateur Extra Feb 10, 1999 → Aug 7, 2001 (canceled)

Licensee
Ronald G Harvey

Address
114 Stargate Drive
Madison, AL 35758
34.7276, -86.7344 (street) · Grid EM64pr · CQ 4 · ITU 8 · map ↗

FRN
0004201562

Last granted
Feb 10, 1999

Effective
Jul 10, 2001

Last action
Aug 7, 2001
FCC actions (3)
- Aug 7, 2001 — License canceled LICAN
- Jul 10, 2001 — License modified LIMOD
- Dec 1, 2000 — Administrative update LIAUA

Address history

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

Seen Nov 7, 2004 → Oct 4, 2026 · 144 snapshots · as KD4CX
Ronald G Harvey
114 Stargate Drive, Madison, AL 35758
34.7276, -86.7344 (street) · Grid EM64pr · CQ 4 · ITU 8 · map ↗

Others requesting KD4CX

2 applications listed KD4CX as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Jun 13, 2019	Jul 1, 2019	NT4Z · ROBERT W HENDERSON · SEBRING, FL	1	Granted
Oct 31, 2012	Nov 18, 2012	N4RWH · ROBERT W HENDERSON · SEBRING, FL	1	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KD4CX in the last 24 hours. They show up here within seconds of KD4CX beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.