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

KP4TB HAM

✅ Available for a vanity request — free since Dec 9, 2011.

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 · 1 holder on record · available since Dec 9, 2011

Previous holder: RENE FONSECA

Held KP4TB Mar 11, 2008 → Dec 8, 2009 · first licensed Mar 11, 2008 as KP4TB · 2 licenses · FRN 0008447930

NP3O Active Amateur Extra · vanity Dec 8, 2009 → expires Dec 8, 2029

Licensee
RENE FONSECA

Address
URB. SANTA ISIDRA 4, CALLE 6 G8
FAJARDO, PR 00738-4145
18.3342, -65.6595 (street) · Grid FK78ei · CQ 8 · ITU 11 · map ↗

FRN
0008447930

Previous call
KP4TB (Advanced)

Last granted
Dec 5, 2019

Effective
Dec 6, 2019

Last action
Dec 6, 2019
FCC actions (5)
- Dec 6, 2019 — Administrative update LIAUA
- Dec 5, 2019 — License renewed LIREN
- Feb 28, 2012 — Administrative update LIAUA
- Dec 8, 2009 — Vanity call sign granted VANGRT
- Dec 8, 2009 — License issued LIISS
KP4TB Canceled Amateur Extra Mar 11, 2008 → Dec 8, 2009 (canceled)

Licensee
RENE FONSECA

Address
HC 00867 BOX 15593
FAJARDO, PR 00738-9707
18.3045, -65.6987 (ZIP center) · Grid FK78dh · CQ 8 · ITU 11 · map ↗

FRN
0008447930

Last granted
Mar 11, 2008

Effective
Feb 23, 2009

Last action
Dec 8, 2009
FCC actions (3)
- Dec 8, 2009 — License canceled LICAN
- Feb 23, 2009 — License modified LIMOD
- Mar 11, 2008 — License renewed LIREN

Address history

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

Seen Apr 16, 2022 → Oct 4, 2026 · 13 snapshots · as NP3O
RENE FONSECA
URB. SANTA ISIDRA 4, CALLE 6 G8, FAJARDO, PR 00738-4145
18.3342, -65.6595 (street) · Grid FK78ei · CQ 8 · ITU 11 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 51 snapshots · as KP4TB
RENE FONSECA
HC 00867 BOX 15593, FAJARDO, PR 00738-9707
18.3045, -65.6987 (ZIP center) · Grid FK78dh · CQ 8 · ITU 11 · map ↗
Seen May 28, 2012 → May 6, 2019 · 31 snapshots · as NP3O
RENE FONSECA
HC 67 BOX 15593, FAJARDO, PR 00738-9531
18.3045, -65.6987 (ZIP center) · Grid FK78dh · CQ 8 · ITU 11 · map ↗

Others requesting KP4TB

5 applications listed KP4TB as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Sep 24, 2025	Oct 12, 2025	KG4VUQ · John C Butler · Saint Petersburg, FL	9	Granted
Aug 18, 2025	Sep 5, 2025	KN4SWR · Theodore R Borduas Jr · Naples, FL	5	Dismissed
Aug 15, 2023	Sep 2, 2023	KQ4JMQ · Teresa Butler · Florence, AL	6	Dismissed
Sep 18, 2020	Oct 6, 2020	KP3CS · Jorge E Castiel · San Juan, PR	2	Granted
Jul 28, 2014	Aug 15, 2014	KP3CG · Samuel Santiago Rivera · Guayama, PR	6	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KP4TB in the last 24 hours. They show up here within seconds of KP4TB beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.