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

KP4CMR HAM 📻 GMRS

📻

Also a GMRS licensee

WREN471

Active until Nov 13, 2029 · same FCC Registration Number (FRN) · GMRS covers the licensee's immediate family

General class licensed since 2022 (4 yrs) KP4CMR since 2022 · previously WP4SFQ Yauco, PR active on 1 net eQSL AG GMRS WREN471

🔒 Not available — currently licensed, through Apr 8, 2032. If it isn't renewed, it opens for vanity requests Apr 9, 2034.

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

📝 KP4CMR has filed vanity applications before — latest filed Mar 21, 2022 · what was requested

Currently held by CARLOS A MARTINEZ RODRIGUEZ · 2 holders on record

🗓 Active on 1 net · last heard Sep 29, 2026

Current holder: CARLOS A MARTINEZ RODRIGUEZ

Held KP4CMR Apr 8, 2022 → present · first licensed Mar 21, 2022 as WP4SFQ · 2 licenses · FRN 0028969194

KP4CMR Active General · vanity Apr 8, 2022 → expires Apr 8, 2032

Licensee
CARLOS A MARTINEZ RODRIGUEZ

Address
URB MONTE VERDE CALLE CIPRES A 4
YAUCO, PR 06998

FRN
0028969194

Previous call
WP4SFQ (Technician)

Last granted
Apr 8, 2022

Effective
Aug 18, 2023

Last action
Aug 18, 2023
FCC actions (3)
- Aug 18, 2023 — License modified LIMOD
- Apr 8, 2022 — Vanity call sign granted VANGRT
- Apr 8, 2022 — License issued LIISS
WP4SFQ Canceled Technician Mar 21, 2022 → Apr 8, 2022 (canceled)

Licensee
CARLOS A MARTINEZ RODRIGUEZ

Address
A4 CALLE CIPRESS URB MONTE VERDE
YAUCO, PR 00698
18.0729, -66.8512 (ZIP center) · Grid FK68nb · CQ 8 · ITU 11 · map ↗

FRN
0028969194

Last granted
Mar 21, 2022

Effective
Mar 21, 2022

Last action
Apr 8, 2022
FCC actions (3)
- Apr 8, 2022 — License canceled LICAN
- Mar 21, 2022 — License issued LIISS
- Mar 21, 2022 — 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 27, 2024 → Oct 4, 2026 · 12 snapshots · as KP4CMR
CARLOS A MARTINEZ RODRIGUEZ
URB MONTE VERDE CALLE CIPRES A 4, YAUCO, PR 06998
Seen Apr 16, 2022 → Oct 4, 2026 · 14 snapshots · as WP4SFQ
CARLOS A MARTINEZ RODRIGUEZ
A4 CALLE CIPRESS URB MONTE VERDE, YAUCO, PR 00698
18.0729, -66.8512 (ZIP center) · Grid FK68nb · CQ 8 · ITU 11 · map ↗

Previous holder: Carlos Mendez Ramos

Held KP4CMR Nov 30, 1999 → Aug 26, 2010 · first licensed Sep 14, 1998 as NP3YH · 4 licenses · FRN 0001834423

KQ1C Active Amateur Extra · vanity Dec 24, 2010 → expires Dec 24, 2030

Licensee
Carlos Mendez Ramos

Address
Attn: Carlos Mendez
21 Sycamore st
Springfield, MA 01109
42.1205, -72.5620 (street) · Grid FN32rc · CQ 5 · ITU 8 · map ↗

FRN
0001834423

Previous call
AB1NR (General)

Last granted
Oct 6, 2020

Effective
Oct 6, 2020

Last action
Oct 6, 2020
FCC actions (4)
- Oct 6, 2020 — License renewed LIREN
- Nov 4, 2014 — Administrative update LIAUA
- Dec 24, 2010 — Vanity call sign granted VANGRT
- Dec 24, 2010 — License issued LIISS
AB1NR Canceled Amateur Extra Nov 13, 2009 → Dec 24, 2010 (canceled)

Licensee
Carlos Mendez Ramos

Address
97 Putnam Cir
Springfield, MA 01104
42.1328, -72.5674 (ZIP center) · Grid FN32rd · CQ 5 · ITU 8 · map ↗

FRN
0001834423

Previous call
KP4CMR (General)

Last granted
Nov 13, 2009

Effective
Aug 26, 2010

Last action
Dec 24, 2010
FCC actions (3)
- Dec 24, 2010 — License canceled LICAN
- Aug 26, 2010 — Systematic call sign granted SYSGRT
- Aug 26, 2010 — License issued LIISS
📦 Moved: Arecibo, PR → Springfield, MA

KP4CMR Canceled Amateur Extra · vanity Nov 30, 1999 → Aug 26, 2010 (canceled)

Licensee
Carlos Mendez Ramos

Address
97 Putnam Cir
Springfield, MA 01104
42.1328, -72.5674 (ZIP center) · Grid FN32rd · CQ 5 · ITU 8 · map ↗

FRN
0001834423

Previous call
NP3YH (General)

Last granted
Nov 13, 2009

Effective
Aug 4, 2010

Last action
Aug 26, 2010
FCC actions (9)
- Aug 26, 2010 — License canceled LICAN
- Aug 4, 2010 — License modified LIMOD
- Nov 13, 2009 — License renewed LIREN
- Nov 4, 2008 — License modified LIMOD
- Oct 14, 2008 — Administrative update LIAUA
- Jan 16, 2007 — Administrative update LIAUA
- Jul 23, 2003 — Administrative update LIAUA
- Apr 8, 2000 — Administrative update LIAUA
- Nov 30, 1999 — License issued LIISS
NP3YH Canceled Technician Sep 14, 1998 → Nov 30, 1999 (canceled)

Licensee
CARLOS MENDEZ RAMOS

Address
PO Box 142025
ARECIBO, PR 00614

FRN
0001834423

Last granted
Sep 14, 1998

Effective
Sep 14, 1998

Last action
Nov 30, 1999
FCC actions (1)
- Nov 30, 1999 — License canceled LICAN

Address history

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

Seen Mar 28, 2015 → Oct 4, 2026 · 36 snapshots · as KQ1C
Carlos Mendez Ramos
Attn: Carlos Mendez
21 Sycamore st, Springfield, MA 01109
42.1205, -72.5620 (street) · Grid FN32rc · CQ 5 · ITU 8 · map ↗
Seen Oct 17, 2011 → Oct 4, 2026 · 102 snapshots · as KP4CMR
Carlos Mendez Ramos
97 Putnam Cir, Springfield, MA 01104
42.1328, -72.5674 (ZIP center) · Grid FN32rd · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as NP3YH
CARLOS MENDEZ RAMOS
PO Box 142025
ARECIBO, PR 00614
Seen May 27, 2010 · 1 snapshot · as KP4CMR
Carlos Mendez Ramos
101 Putnam Cir, Springfield, MA 01104
42.1328, -72.5674 (ZIP center) · Grid FN32rd · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as KP4CMR
CARLOS MENDEZ RAMOS
PO Box 9359 COTTO STATION
ARECIBO, PR 00613

Vanity applications filed by KP4CMR

Calls this licensee has asked the FCC for, newest first, in their order of preference. The FCC processes applications 18 days after filing; "likely award" is our estimate from every pending application in filing order.

Filed · Award	Applicant	Requested (in order)	Status
Filed Mar 21, 2022 Granted Apr 8, 2022 0009963024	WP4SFQ · CARLOS A MARTINEZ RODRIGUEZ · Technician A4 CALLE CIPRESS URB MONTE VERDE, YAUCO, PR 00698 18.0729, -66.8512 (ZIP center) · Grid FK68nb · CQ 8 · ITU 11 · map ↗	1.KP4CMR ✓ granted	Granted got KP4CMR
Filed Aug 5, 2010 Award date was Aug 23, 2010 0004345175	KP4CMR · Carlos Mendez Ramos · Amateur Extra 97 Putnam Cir, Springfield, MA 01104 42.1328, -72.5674 (ZIP center) · Grid FN32rd · CQ 5 · ITU 8 · map ↗	1.KP1C 2.KP5C 3.NP1C 4.NP5C 5.WP1C 6.WP5C	Dismissed

Others requesting KP4CMR

2 applications listed KP4CMR as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Mar 21, 2022	Apr 8, 2022	WP4SFQ · CARLOS A MARTINEZ RODRIGUEZ · YAUCO, PR	1	Granted
Nov 10, 1999	Nov 28, 1999	NP3YH · CARLOS MENDEZ RAMOS · ARECIBO, PR	11	Granted

Nets

Net	When	Frequency	Role	Times	Last
PASOLA NET	Tue 7:30 PM · Tue 7:45 PM ET	146.435	Checked in	3	2026-09-29

From nets logged with NetLogger since the start of collection.

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KP4CMR in the last 24 hours. They show up here within seconds of KP4CMR beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.