N9TPB FCC License Search

🕒 FCC license data updated today 6:02 am CDT (FCC files through Oct 2, 2026) · next update today 7:15 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

KP4MFO HAM

✅ Available for a vanity request — free since Jul 1, 2019.

2x3 call: any licensee can request it. No pending applications list it.

📬 QSL: LoTW user · last upload May 8, 2016 · eQSL AG member · QRZ · HamQTH

Not currently held · 1 holder on record · available since Jul 1, 2019

Previous holder: Melvin Figueroa-Ostolaza

Held KP4MFO Oct 21, 2011 → Jun 30, 2017 · first licensed Aug 4, 2011 as WP4OKX · 3 licenses · FRN 0021068713

📦 Moved: Bayamon, PR → Vega Baja, PR

KP3ZZ Active Amateur Extra · vanity Jun 30, 2017 → expires Jun 30, 2027

Licensee
Melvin Figueroa-Ostolaza

Address
Attn: Melvin Figueroa-Ostolaza
Alturas de Vega Baja AA17 Calle R
Vega Baja, PR 00693
18.4355, -66.3988 (street) · Grid FK68tk · CQ 8 · ITU 11 · map ↗

FRN
0021068713

Previous call
KP4MFO (General)

Last granted
Jun 30, 2017

Effective
May 23, 2024

Last action
May 23, 2024
FCC actions (3)
- May 23, 2024 — Administrative update LIAUA
- Jun 30, 2017 — Vanity call sign granted VANGRT
- Jun 30, 2017 — License issued LIISS
KP4MFO Canceled Amateur Extra · vanity Oct 21, 2011 → Jun 30, 2017 (canceled)

Licensee
Melvin Figueroa-Ostolaza

Address
Urb Miraflores 5 Calle 15 Bq 6
Bayamon, PR 00957
18.3661, -66.1890 (ZIP center) · Grid FK68vi · CQ 8 · ITU 11 · map ↗

FRN
0021068713

Previous call
WP4OKX (General)

Last granted
Oct 21, 2011

Effective
Sep 6, 2013

Last action
Jun 30, 2017
FCC actions (4)
- Jun 30, 2017 — License canceled LICAN
- Sep 6, 2013 — License modified LIMOD
- Oct 21, 2011 — Vanity call sign granted VANGRT
- Oct 21, 2011 — License issued LIISS
WP4OKX Canceled General Aug 4, 2011 → Oct 21, 2011 (canceled)

Licensee
Melvin Figueroa-Ostolaza

Address
Urb Miraflores 5 Calle 15 Bq 6
Bayamon, PR 00957
18.3661, -66.1890 (ZIP center) · Grid FK68vi · CQ 8 · ITU 11 · map ↗

FRN
0021068713

Last granted
Aug 4, 2011

Effective
Sep 28, 2011

Last action
Oct 21, 2011
FCC actions (4)
- Oct 21, 2011 — License canceled LICAN
- Sep 28, 2011 — License modified LIMOD
- Aug 4, 2011 — License issued LIISS
- Aug 4, 2011 — 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 Jul 1, 2024 → Sep 27, 2026 · 10 snapshots · as KP3ZZ
Melvin Figueroa-Ostolaza
Attn: Melvin Figueroa-Ostolaza
Alturas de Vega Baja AA17 Calle R, Vega Baja, PR 00693
18.4355, -66.3988 (street) · Grid FK68tk · CQ 8 · ITU 11 · map ↗
Seen Oct 17, 2011 → Sep 27, 2026 · 98 snapshots · as WP4OKX
Melvin Figueroa-Ostolaza
Urb Miraflores 5 Calle 15 Bq 6, Bayamon, PR 00957
18.3661, -66.1890 (ZIP center) · Grid FK68vi · CQ 8 · ITU 11 · map ↗

Others requesting KP4MFO

1 application listed KP4MFO as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Oct 3, 2011	Oct 21, 2011	WP4OKX · Melvin Figueroa-Ostolaza · Bayamon, PR	1	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KP4MFO in the last 24 hours. They show up here within seconds of KP4MFO beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.