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

KP4LH HAM

Club licensed since 2006 (20 yrs) KP4LH since 2008 · previously WP4NRT Mayaguez, PR eQSL AG

🔒 Not available — currently licensed, through Dec 7, 2028. If it isn't renewed, it opens for vanity requests Dec 8, 2030.

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

📝 KP4LH has filed vanity applications before — latest filed Aug 8, 2008 · what was requested

Currently held by COFRESI RADIO CLUB · 2 holders on record

Current holder: COFRESI RADIO CLUB

Held KP4LH Aug 26, 2008 → present · first licensed Apr 12, 2006 as WP4NRT · 2 licenses · FRN 0014919831

📦 Moved: Cabo Rojo, PR → Mayaguez, PR

KP4LH Active Club / other · vanity Aug 26, 2008 → expires Dec 7, 2028

Licensee
COFRESI RADIO CLUB

Address
Attn: JOSE A NAZARIO-DEL VALLE
PO Box 3025
Mayaguez, PR 00681

FRN
0014919831

Previous call
WP4NRT

Trustee
WA8S

Last granted
Dec 7, 2018

Effective
Dec 7, 2018

Last action
Dec 7, 2018
FCC actions (5)
- Dec 7, 2018 — License renewed LIREN
- Apr 28, 2017 — Administrative update LIAUA
- Nov 17, 2009 — License modified LIMOD
- Aug 26, 2008 — Vanity call sign granted VANGRT
- Aug 26, 2008 — License issued LIISS
WP4NRT Canceled Club / other Apr 12, 2006 → Aug 26, 2008 (canceled)

Licensee
COFRESI RADIO CLUB

Address
Attn: HECTOR FERNANDEZ MENDEZ
PO Box 281
CABO ROJO, PR 00623-0281
18.0844, -67.1588 (ZIP center) · Grid FK68kc · CQ 8 · ITU 11 · map ↗

FRN
0014919831

Trustee
WP4KUN

Last granted
Apr 12, 2006

Effective
Jun 30, 2008

Last action
Aug 26, 2008
FCC actions (5)
- Aug 26, 2008 — License canceled LICAN
- Jun 30, 2008 — License modified LIMOD
- Mar 24, 2008 — Administrative update LIAUA
- Apr 12, 2006 — License issued LIISS
- Apr 12, 2006 — 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 12, 2017 → Oct 4, 2026 · 21 snapshots · as KP4LH
COFRESI RADIO CLUB
Attn: JOSE A NAZARIO-DEL VALLE
PO Box 3025
Mayaguez, PR 00681
Seen May 27, 2010 → Oct 4, 2026 · 73 snapshots · as WP4NRT
COFRESI RADIO CLUB
Attn: HECTOR FERNANDEZ MENDEZ
PO Box 281
CABO ROJO, PR 00623-0281
18.0844, -67.1588 (ZIP center) · Grid FK68kc · CQ 8 · ITU 11 · map ↗

Previous holder: ARTURO F DIAZ ARMSTRONG

Held KP4LH Jul 18, 1996 → Jul 18, 2006 · first licensed Jul 18, 1996 as KP4LH · 1 license · no FRN on file (pre-2001 records)

KP4LH Expired Advanced Jul 18, 1996 → Jul 18, 2006 (expired)

Licensee
ARTURO F DIAZ ARMSTRONG

Address
PO Box 6567
CAGUAS, PR 00726-6567

Last granted
Jul 18, 1996

Effective
Jul 18, 1996

Last action
Mar 13, 2024
FCC actions (1)
- Jul 19, 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 KP4LH
ARTURO F DIAZ ARMSTRONG
PO Box 6567
CAGUAS, PR 00726-6567

Vanity applications filed by KP4LH

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 Aug 8, 2008 Granted Dec 7, 2018 0003540260	WP4NRT · COFRESI RADIO CLUB · Attn: HECTOR FERNANDEZ MENDEZ · PO Box 281 · CABO ROJO, PR 00623-0281 18.0844, -67.1588 (ZIP center) · Grid FK68kc · CQ 8 · ITU 11 · map ↗	1.KP4LH ✓ granted	Granted got KP4LH

Others requesting KP4LH

2 applications listed KP4LH as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Aug 8, 2008	Aug 26, 2008	WP4NRT · COFRESI RADIO CLUB · CABO ROJO, PR	1	Granted
Feb 14, 2000	Mar 3, 2000	WP4DKY · NOEL ACEVEDO SR · MOCA, PR	25	Dismissed

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KP4LH in the last 24 hours. They show up here within seconds of KP4LH beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.