N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 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

KP4KZ HAM

✅ Available for a vanity request — free since Jul 7, 2026.

2x2 call: Advanced and Amateur Extra licensees can request it. No pending applications list it.

📬 QSL: no LoTW uploads on record · eQSL AG member · QRZ · HamQTH

Not currently held · 2 holders on record · available since Jul 7, 2026

Previous holder: David E Rodriguez Salcedo

Held KP4KZ Jun 10, 2022 → Jul 6, 2024 · first licensed Jan 25, 2007 as NP3MO · 5 licenses · FRN 0011150661

KP4Z Active Amateur Extra · vanity Jul 6, 2024 → expires Jul 6, 2034

Licensee
David E Rodriguez Salcedo

Address
Attn: David E Rodriguez Salcedo
4 Calle Sampson
Utuado, PR 00641-2930
18.2645, -66.6996 (street) · Grid FK68pg · CQ 8 · ITU 11 · map ↗

FRN
0011150661

Previous call
KP4KZ (General)

Last granted
Jul 6, 2024

Effective
Jul 9, 2024

Last action
Jul 9, 2024
FCC actions (3)
- Jul 9, 2024 — Administrative update LIAUA
- Jul 6, 2024 — Vanity call sign granted VANGRT
- Jul 6, 2024 — License issued LIISS
KP4KZ Canceled Amateur Extra · vanity Jun 10, 2022 → Jul 6, 2024 (canceled)

Licensee
David E Rodriguez Salcedo

Address
Attn: David E Rodriguez Salcedo
4 Calle Sampson
Utuado, PR 00641-2930
18.2645, -66.6996 (street) · Grid FK68pg · CQ 8 · ITU 11 · map ↗

FRN
0011150661

Previous call
KP4DER (General)

Last granted
Jun 10, 2022

Effective
Aug 3, 2022

Last action
Jul 6, 2024
FCC actions (5)
- Jul 6, 2024 — License canceled LICAN
- Aug 3, 2022 — Administrative update LIAUA
- Jun 11, 2022 — Administrative update LIAUA
- Jun 10, 2022 — Vanity call sign granted VANGRT
- Jun 10, 2022 — License issued LIISS
KP4DER Canceled Amateur Extra · vanity Aug 31, 2018 → Jun 10, 2022 (canceled)

Licensee
DAVID E RODRIGUEZ SALCEDO

Address
Attn: David E Rodriguez Salcedo
4 CALLE SAMPSON A
UTUADO, PR 00641
18.2681, -66.7018 (ZIP center) · Grid FK68pg · CQ 8 · ITU 11 · map ↗

FRN
0011150661

Previous call
NP4DR (General)

Last granted
Aug 31, 2018

Effective
May 20, 2022

Last action
Jun 10, 2022
FCC actions (9)
- Jun 10, 2022 — License canceled LICAN
- May 20, 2022 — Administrative update LIAUA
- May 16, 2022 — License modified LIMOD
- Nov 13, 2020 — Administrative update LIAUA
- Dec 28, 2019 — Administrative update LIAUA
- Dec 28, 2019 — Administrative update LIAUA
- Sep 18, 2018 — Administrative update LIAUA
- Aug 31, 2018 — Vanity call sign granted VANGRT
- Aug 31, 2018 — License issued LIISS
NP4DR Canceled General · vanity Dec 8, 2015 → Aug 31, 2018 (canceled)

Licensee
DAVID E RODRIGUEZ SALCEDO

Address
Attn: David E. Rodriguez Salcedo
#4 SAMPSON St. APT 1
UTUADO, PR 00641
18.2681, -66.7018 (ZIP center) · Grid FK68pg · CQ 8 · ITU 11 · map ↗

FRN
0011150661

Previous call
NP3MO (Technician)

Last granted
Dec 8, 2015

Effective
Aug 23, 2018

Last action
Aug 31, 2018
FCC actions (4)
- Aug 31, 2018 — License canceled LICAN
- Aug 23, 2018 — Administrative update LIAUA
- Dec 8, 2015 — Vanity call sign granted VANGRT
- Dec 8, 2015 — License issued LIISS
NP3MO Canceled General Jan 25, 2007 → Dec 8, 2015 (canceled)

Licensee
DAVID E RODRIGUEZ SALCEDO

Address
4 CALLE SAMPSON APT 1
UTUADO, PR 00641
18.2681, -66.7018 (ZIP center) · Grid FK68pg · CQ 8 · ITU 11 · map ↗

FRN
0011150661

Last granted
Jan 25, 2007

Effective
Nov 14, 2015

Last action
Dec 8, 2015
FCC actions (6)
- Dec 8, 2015 — License canceled LICAN
- Nov 14, 2015 — Administrative update LIAUA
- Oct 26, 2015 — License modified LIMOD
- Sep 11, 2007 — Administrative update LIAUA
- Jan 25, 2007 — License renewed LIREN
- Jan 25, 2007 — FCC action LITIN

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 · 22 snapshots · as KP4KZ
David E Rodriguez Salcedo
Attn: David E Rodriguez Salcedo
4 Calle Sampson, Utuado, PR 00641-2930
18.2645, -66.6996 (street) · Grid FK68pg · CQ 8 · ITU 11 · map ↗
Seen Apr 27, 2024 → Oct 4, 2026 · 12 snapshots · as KP4DER
DAVID E RODRIGUEZ SALCEDO
Attn: David E Rodriguez Salcedo
4 CALLE SAMPSON A, UTUADO, PR 00641
18.2681, -66.7018 (ZIP center) · Grid FK68pg · CQ 8 · ITU 11 · map ↗
Seen Sep 3, 2018 → Oct 4, 2026 · 16 snapshots · as NP4DR
DAVID E RODRIGUEZ SALCEDO
Attn: David E. Rodriguez Salcedo
#4 SAMPSON St. APT 1, UTUADO, PR 00641
18.2681, -66.7018 (ZIP center) · Grid FK68pg · CQ 8 · ITU 11 · map ↗
Seen Nov 16, 2015 → Oct 4, 2026 · 46 snapshots · as NP3MO
DAVID E RODRIGUEZ SALCEDO
4 CALLE SAMPSON APT 1, UTUADO, PR 00641
18.2681, -66.7018 (ZIP center) · Grid FK68pg · CQ 8 · ITU 11 · map ↗
Seen Apr 16, 2022 · 1 snapshot · as KP4DER
David E Rodriguez Salcedo
#4 Calle Sampson A, UTUADO, PR 00641
18.2681, -66.7018 (ZIP center) · Grid FK68pg · CQ 8 · ITU 11 · map ↗
Seen Jan 22, 2019 → May 6, 2019 · 2 snapshots · as KP4DER
David E Rodriguez Salcedo
Attn: David E. Rodriguez Salcedo
#4 Sampson A-1, UTUADO, PR 00641
18.2681, -66.7018 (ZIP center) · Grid FK68pg · CQ 8 · ITU 11 · map ↗
Seen Nov 7, 2004 → Sep 18, 2015 · 17 snapshots · as NP3MO
DAVID E RODRIGUEZ SALCEDO
PO Box 1120
UTUADO, PR 00641
18.2681, -66.7018 (ZIP center) · Grid FK68pg · CQ 8 · ITU 11 · map ↗

Previous holder: OSVALDO SERRANO COLON

Held KP4KZ Jun 5, 1996 → Jun 5, 2006 · first licensed Jun 5, 1996 as KP4KZ · 1 license · no FRN on file (pre-2001 records)

KP4KZ Expired Advanced Jun 5, 1996 → Jun 5, 2006 (expired)

Licensee
OSVALDO SERRANO COLON

Address
PAVIA FERNANDEZ 59
SAN SEBASTIAN, PR 00685
18.3369, -66.9729 (ZIP center) · Grid FK68mi · CQ 8 · ITU 11 · map ↗

Last granted
Jun 5, 1996

Effective
Jun 5, 1996

Last action
Jun 6, 2008
FCC actions (1)
- Jun 6, 2008 — License expired LIEXP

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 · 48 snapshots · as KP4KZ
OSVALDO SERRANO COLON
PAVIA FERNANDEZ 59, SAN SEBASTIAN, PR 00685
18.3369, -66.9729 (ZIP center) · Grid FK68mi · CQ 8 · ITU 11 · map ↗

Others requesting KP4KZ

14 applications listed KP4KZ as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
May 23, 2022	Jun 10, 2022	KP4DER · David E Rodriguez Salcedo · Utuado, PR	1	Granted
Feb 7, 2022	Feb 25, 2022	WP4LTA · CASEY JIMENEZ · Bradenton, FL	1	Dismissed
Jun 9, 2021	Jun 27, 2021	NP4KZ · Nicholas Torres · CIDRA, PR	1	Dismissed
Sep 18, 2020	Oct 6, 2020	KP3CS · Jorge E Castiel · San Juan, PR	12	Granted
Aug 26, 2020	Sep 13, 2020	WP4LMF · OSVALDO GOMEZ · TOA ALTA, PR	4	Granted
Feb 11, 2020	Feb 29, 2020	WP4RKN · Ivan A Rouco 943 · Dorado, PR	2	Granted
Oct 2, 2019	Oct 20, 2019	WP4YH · ENDY PAGAN · CAMUY, PR	20	Dismissed
Dec 4, 2017	Dec 22, 2017	WP4PWE · Rafael Rosado · San Juan, PR	13	Granted
Dec 4, 2017	Dec 22, 2017	WP4PWE · Rafael Rosado · San Juan, PR	11	Granted
Feb 15, 2017	Mar 5, 2017	WP4LTA · CASEY JIMENEZ · Parrish, FL	2	Dismissed
Jul 28, 2014	Aug 15, 2014	KP3CG · Samuel Santiago Rivera · Guayama, PR	4	Granted
Jan 3, 2011	Jan 21, 2011	WP4OGH · Alberto Serrano Diaz · Ponce, PR	8	Dismissed
Sep 17, 2010	Oct 5, 2010	KC2HAS · Wilberto Noriega · Morovis, PR	22	Granted
Jun 22, 2009	Jul 10, 2009	WP4NYX · Adalberto Gonzalez-Medina · Isabela, PR	4	Dismissed

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KP4KZ in the last 24 hours. They show up here within seconds of KP4KZ beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.