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

WP4MRM HAM

✅ Available for a vanity request — free since May 12, 2003.

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 May 12, 2003

Previous holder: GERARDO A MARTINEZ

Held WP4MRM Jul 28, 1994 → May 11, 2001 · first licensed Jul 28, 1994 as WP4MRM · 2 licenses · FRN 0004583191

KP4COD Active General · vanity May 11, 2001 → expires May 11, 2031

Licensee
GERARDO A MARTINEZ

Address
MONTE BRISAS 1, A9 CALLE H
FAJARDO, PR 00738-3350
18.3458, -65.6575 (street) · Grid FK78ei · CQ 8 · ITU 11 · map ↗

FRN
0004583191

Previous call
WP4MRM (Technician)

Last granted
Mar 17, 2021

Effective
Mar 17, 2021

Last action
Mar 17, 2021
FCC actions (5)
- Mar 17, 2021 — License renewed LIREN
- Nov 21, 2018 — Administrative update LIAUA
- Apr 8, 2011 — License renewed LIREN
- May 2, 2005 — Administrative update LIAUA
- May 11, 2001 — License issued LIISS
WP4MRM Canceled General Jul 28, 1994 → May 11, 2001 (canceled)

Licensee
GERARDO A MARTINEZ

Address
255 GENERAL VALERO AVE
FAJARDO, PR 00738
18.3045, -65.6987 (ZIP center) · Grid FK78dh · CQ 8 · ITU 11 · map ↗

FRN
0004583191

Previous call
KD4BKK (Technician)

Last granted
Jul 28, 1994

Effective
Jul 28, 1994

Last action
May 11, 2001
FCC actions (1)
- May 11, 2001 — License canceled LICAN

Address history

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

Seen Jan 22, 2019 → Oct 4, 2026 · 15 snapshots · as KP4COD
GERARDO A MARTINEZ
MONTE BRISAS 1, A9 CALLE H, FAJARDO, PR 00738-3350
18.3458, -65.6575 (street) · Grid FK78ei · CQ 8 · ITU 11 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as WP4MRM
GERARDO A MARTINEZ
255 GENERAL VALERO AVE, FAJARDO, PR 00738
18.3045, -65.6987 (ZIP center) · Grid FK78dh · CQ 8 · ITU 11 · map ↗
Seen May 27, 2010 → Sep 3, 2018 · 32 snapshots · as KP4COD
GERARDO A MARTINEZ
PO Box 717
PUERTO REAL, PR 00740
18.3340, -65.6317 (ZIP center) · Grid FK78ei · CQ 8 · ITU 11 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as KP4COD
GERARDO A MARTINEZ
Attn: GERARDO A MARTINEZ
PO Box 371
RIO GRANDE, PR 00745
18.3522, -65.8109 (ZIP center) · Grid FK78ci · CQ 8 · ITU 11 · map ↗

Others requesting WP4MRM

1 application listed WP4MRM as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Jun 21, 2021	Jul 9, 2021	WP4RVC · MILDRED RAMOS MERCADO · ISABELA, PR	3	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for WP4MRM in the last 24 hours. They show up here within seconds of WP4MRM beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.