N9TPB FCC License Search

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

KP4DY HAM

⏳ Not available yet — opens for vanity requests Jul 23, 2027, two years after the license was canceled (Jul 22, 2025).

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

Previous holder: RUBEN CRESPO-RODRIGUEZ

Held KP4DY Jun 5, 2018 → Jul 22, 2025 · first licensed Nov 2, 2005 as WP4NQM · 5 licenses · FRN 0014220552

KP4RC Active Amateur Extra · vanity Jul 22, 2025 → expires Jul 22, 2035

Licensee
RUBEN CRESPO-RODRIGUEZ

Address
HC 58 BOX 14220
AGUADA, PR 00602
18.3619, -67.1756 (ZIP center) · Grid FK68ji · CQ 8 · ITU 11 · map ↗

FRN
0014220552

Previous call
KP4DY (General)

Last granted
Jul 22, 2025

Effective
Jul 22, 2025

Last action
Jul 22, 2025
FCC actions (2)
- Jul 22, 2025 — Vanity call sign granted VANGRT
- Jul 22, 2025 — License issued LIISS
KP4DY Canceled Amateur Extra · vanity Jun 5, 2018 → Jul 22, 2025 (canceled)

Licensee
RUBEN CRESPO-RODRIGUEZ

Address
HC 58 BOX 14220
AGUADA, PR 00602
18.3619, -67.1756 (ZIP center) · Grid FK68ji · CQ 8 · ITU 11 · map ↗

FRN
0014220552

Previous call
NP4DY (General)

Last granted
Jun 5, 2018

Effective
Jun 5, 2018

Last action
Jul 22, 2025
FCC actions (3)
- Jul 22, 2025 — License canceled LICAN
- Jun 5, 2018 — Vanity call sign granted VANGRT
- Jun 5, 2018 — License issued LIISS
NP4DY Canceled Amateur Extra · vanity Feb 28, 2017 → Jun 5, 2018 (canceled)

Licensee
RUBEN CRESPO-RODRIGUEZ

Address
HC 58 BOX 14220
AGUADA, PR 00602
18.3619, -67.1756 (ZIP center) · Grid FK68ji · CQ 8 · ITU 11 · map ↗

FRN
0014220552

Previous call
WP4RC (General)

Last granted
Feb 28, 2017

Effective
May 14, 2018

Last action
Jun 5, 2018
FCC actions (4)
- Jun 5, 2018 — License canceled LICAN
- May 14, 2018 — License modified LIMOD
- Feb 28, 2017 — Vanity call sign granted VANGRT
- Feb 28, 2017 — License issued LIISS
WP4RC Canceled General · vanity Apr 3, 2012 → Feb 28, 2017 (canceled)

Licensee
RUBEN CRESPO-RODRIGUEZ

Address
HC 58 BOX 14220
AGUADA, PR 00602
18.3619, -67.1756 (ZIP center) · Grid FK68ji · CQ 8 · ITU 11 · map ↗

FRN
0014220552

Previous call
WP4NQM (Technician)

Last granted
Apr 3, 2012

Effective
Apr 3, 2012

Last action
Feb 28, 2017
FCC actions (3)
- Feb 28, 2017 — License canceled LICAN
- Apr 3, 2012 — Vanity call sign granted VANGRT
- Apr 3, 2012 — License issued LIISS
WP4NQM Canceled General Nov 2, 2005 → Apr 3, 2012 (canceled)

Licensee
RUBEN CRESPO-RODRIGUEZ

Address
HC 58 BOX 14220
AGUADA, PR 00602
18.3619, -67.1756 (ZIP center) · Grid FK68ji · CQ 8 · ITU 11 · map ↗

FRN
0014220552

Last granted
Nov 2, 2005

Effective
Aug 16, 2006

Last action
Apr 3, 2012
FCC actions (5)
- Apr 3, 2012 — License canceled LICAN
- Aug 16, 2006 — Administrative update LIAUA
- Jul 25, 2006 — License modified LIMOD
- Nov 2, 2005 — License issued LIISS
- Nov 2, 2005 — 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 May 27, 2010 → Oct 4, 2026 · 131 snapshots · as WP4NQM
RUBEN CRESPO-RODRIGUEZ
HC 58 BOX 14220, AGUADA, PR 00602
18.3619, -67.1756 (ZIP center) · Grid FK68ji · CQ 8 · ITU 11 · map ↗

Previous holder: JESUS MONTANEZ MERCADO

Held KP4DY Feb 25, 1998 → Feb 25, 2008 · first licensed Feb 25, 1998 as KP4DY · 1 license · no FRN on file (pre-2001 records)

KP4DY Expired Amateur Extra Feb 25, 1998 → Feb 25, 2008 (expired)

Licensee
JESUS MONTANEZ MERCADO

Address
PO Box 632
CARR 3K 44.5
FAJARDO, PR 00738-0632
18.3045, -65.6987 (ZIP center) · Grid FK78dh · CQ 8 · ITU 11 · map ↗

Last granted
Feb 25, 1998

Effective
Feb 25, 1998

Last action
Feb 26, 2010
FCC actions (1)
- Feb 26, 2010 — 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 KP4DY
JESUS MONTANEZ MERCADO
PO Box 632
CARR 3K 44.5, FAJARDO, PR 00738-0632
18.3045, -65.6987 (ZIP center) · Grid FK78dh · CQ 8 · ITU 11 · map ↗

Others requesting KP4DY

7 applications listed KP4DY as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
May 17, 2018	Jun 4, 2018	NP4DY · RUBEN CRESPO-RODRIGUEZ · AGUADA, PR	1	Granted
Apr 9, 2018	Apr 27, 2018	WP4PZS · Angel L Torres-Izquierdo · Lajas, PR	1	Granted
Apr 2, 2018	Apr 20, 2018	NP4DY · RUBEN CRESPO-RODRIGUEZ · AGUADA, PR	1	Dismissed
Feb 20, 2018	Mar 10, 2018	WP4PW · Mitchell Wolfrom-De Jesus · Fajardo, PR	1	Dismissed
Jan 25, 2018	Feb 12, 2018	WP4PW · Mitchell Wolfrom-De Jesus · Fajardo, PR	2	Dismissed
Nov 4, 2013	Nov 22, 2013	WP4ORZ · ALVIN A NATAL · MANATI, PR	13	Dismissed
Jun 16, 2011	Jul 4, 2011	NP4HT · HECTOR L ALVAREZ · MANATI, PR	10	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KP4DY in the last 24 hours. They show up here within seconds of KP4DY beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.