N9TPB FCC License Search

🕒 FCC license data updated today 8:30 am CDT (FCC files through Oct 1, 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

NP3SI HAM

✅ Available for a vanity request — free since Jun 24, 2021.

2x2 call: Advanced and Amateur Extra licensees can request it. No pending applications list it.

📬 QSL: LoTW user · last upload Apr 10, 2010 · not eQSL AG · QRZ · HamQTH

Not currently held · 2 holders on record · available since Jun 24, 2021

Previous holder: Sheila I Rivera-Laboy

Held NP3SI Jun 23, 2009 → Jun 23, 2019 · first licensed Jun 2, 2009 as WP4OAC · 2 licenses · FRN 0018832485

NP3SI Expired Technician · vanity Jun 23, 2009 → Jun 23, 2019 (expired)

Licensee
Sheila I Rivera-Laboy

Address
Urb Villas Del Sol F-12 Calle 2
Trujillo Alto, PR 00976
18.3620, -66.0121 (street) · Grid FK68xi · CQ 8 · ITU 11 · map ↗

FRN
0018832485

Previous call
WP4OAC

Last granted
Jun 23, 2009

Effective
Jun 23, 2009

Last action
Jun 24, 2021
FCC actions (3)
- Jun 24, 2021 — License expired LIEXP
- Jun 23, 2009 — Vanity call sign granted VANGRT
- Jun 23, 2009 — License issued LIISS
WP4OAC Canceled Technician Jun 2, 2009 → Jun 23, 2009 (canceled)

Licensee
Sheila I Rivera-Laboy

Address
Urb Villas Del Sol F-12 2nd St
Trujillo Alto, PR 00976
18.3362, -65.9941 (ZIP center) · Grid FK78ai · CQ 8 · ITU 11 · map ↗

FRN
0018832485

Last granted
Jun 2, 2009

Effective
Jun 2, 2009

Last action
Jun 23, 2009
FCC actions (3)
- Jun 23, 2009 — License canceled LICAN
- Jun 2, 2009 — License issued LIISS
- Jun 2, 2009 — 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 → Sep 27, 2026 · 46 snapshots · as WP4OAC
Sheila I Rivera-Laboy
Urb Villas Del Sol F-12 2nd St, Trujillo Alto, PR 00976
18.3362, -65.9941 (ZIP center) · Grid FK78ai · CQ 8 · ITU 11 · map ↗
Seen May 27, 2010 → Sep 27, 2026 · 46 snapshots · as NP3SI
Sheila I Rivera-Laboy
Urb Villas Del Sol F-12 Calle 2, Trujillo Alto, PR 00976
18.3620, -66.0121 (street) · Grid FK68xi · CQ 8 · ITU 11 · map ↗

Previous holder: EFRAIN ALVIRA

Held NP3SI Jan 21, 1999 → Jul 19, 2000 · first licensed Jan 21, 1999 as NP3SI · 1 license · no FRN on file (pre-2001 records)

NP3SI Canceled Advanced Jan 21, 1999 → Jul 19, 2000 (canceled)

Licensee
EFRAIN ALVIRA

Address
PO Box 948
PLA SANTIAGO
HUMACAO, PR 00741
18.1639, -65.7540 (ZIP center) · Grid FK78cd · CQ 8 · ITU 11 · map ↗

Last granted
Jan 21, 1999

Effective
Jan 21, 1999

Last action
Jul 20, 2000
FCC actions (1)
- Jul 20, 2000 — Record corrected COR

Address history

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

Seen Nov 7, 2004 → Sep 27, 2026 · 47 snapshots · as NP3SI
EFRAIN ALVIRA
PO Box 948
PLA SANTIAGO, HUMACAO, PR 00741
18.1639, -65.7540 (ZIP center) · Grid FK78cd · CQ 8 · ITU 11 · map ↗

Others requesting NP3SI

2 applications listed NP3SI as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Jun 3, 2009	Jun 21, 2009	WP4OAC · Sheila I Rivera-Laboy · Trujillo Alto, PR	1	Granted
Apr 30, 2004	May 18, 2004	WP4LQU · Israel D Rodrigues-Hernandez · Anasco, PR	25	Dismissed

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for NP3SI in the last 24 hours. They show up here within seconds of NP3SI beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.