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

KP4YT HAM

⏳ Not available yet — opens for vanity requests Jun 27, 2028, two years after the license was canceled (Jun 26, 2026).

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

📬 QSL: LoTW user · last upload Mar 28, 2026 · eQSL AG member · QRZ · HamQTH

Not currently held · 2 holders on record

Previous holder: REYNALDO DIAZ

Held KP4YT Sep 30, 2025 → Jun 26, 2026 · first licensed May 12, 2016 as WP4PQY · 4 licenses · FRN 0025572991

KP4RDS Active Amateur Extra · vanity Jun 26, 2026 → expires Jun 26, 2036

Licensee
REYNALDO DIAZ

Address
Attn: Reynaldo Diaz
PO Box 00777
Urb El Encanto O@ Calle Fressia Buzon 1502
Juncos, PR 00777
18.2243, -65.9091 (ZIP center) · Grid FK78bf · CQ 8 · ITU 11 · map ↗

FRN
0025572991

Previous call
KP4YT (General)

Last granted
Jun 26, 2026

Effective
Jun 26, 2026

Last action
Jun 26, 2026
FCC actions (2)
- Jun 26, 2026 — Vanity call sign granted VANGRT
- Jun 26, 2026 — License issued LIISS
KP4YT Canceled Amateur Extra · vanity Sep 30, 2025 → Jun 26, 2026 (canceled)

Licensee
REYNALDO DIAZ

Address
Urb El Encanto O@ Calle Fressia Buzon 1502
Juncos, PR 00777
18.2243, -65.9091 (ZIP center) · Grid FK78bf · CQ 8 · ITU 11 · map ↗

FRN
0025572991

Previous call
KP4RDS (General)

Last granted
Sep 30, 2025

Effective
Sep 30, 2025

Last action
Jun 26, 2026
FCC actions (3)
- Jun 26, 2026 — License canceled LICAN
- Sep 30, 2025 — Vanity call sign granted VANGRT
- Sep 30, 2025 — License issued LIISS
KP4RDS Canceled Amateur Extra · vanity Jul 26, 2016 → Sep 30, 2025 (canceled)

Licensee
REYNALDO DIAZ

Address
Urb El Encanto O@ Calle Fressia Buzon 1502
Juncos, PR 00777
18.2243, -65.9091 (ZIP center) · Grid FK78bf · CQ 8 · ITU 11 · map ↗

FRN
0025572991

Previous call
WP4PQY (General)

Last granted
Jul 26, 2016

Effective
Mar 6, 2025

Last action
Sep 30, 2025
FCC actions (5)
- Sep 30, 2025 — License canceled LICAN
- Mar 6, 2025 — License modified LIMOD
- Jun 4, 2018 — License modified LIMOD
- Jul 26, 2016 — Vanity call sign granted VANGRT
- Jul 26, 2016 — License issued LIISS
WP4PQY Canceled Technician May 12, 2016 → Jul 26, 2016 (canceled)

Licensee
Reinaldo Diaz Santos

Address
Urb. El Encanto Box 1502
Juncos, PR 00777
18.2243, -65.9091 (ZIP center) · Grid FK78bf · CQ 8 · ITU 11 · map ↗

FRN
0025572991

Last granted
May 12, 2016

Effective
May 12, 2016

Last action
Jul 26, 2016
FCC actions (3)
- Jul 26, 2016 — License canceled LICAN
- May 12, 2016 — License issued LIISS
- May 12, 2016 — 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 Sep 27, 2026 → Oct 4, 2026 · 2 snapshots · as KP4RDS
REYNALDO DIAZ
Attn: Reynaldo Diaz
PO Box 00777
Urb El Encanto O@ Calle Fressia Buzon 1502, Juncos, PR 00777
18.2243, -65.9091 (ZIP center) · Grid FK78bf · CQ 8 · ITU 11 · map ↗
Seen Sep 3, 2018 → Oct 4, 2026 · 18 snapshots · as KP4RDS
REYNALDO DIAZ
Urb El Encanto O@ Calle Fressia Buzon 1502, Juncos, PR 00777
18.2243, -65.9091 (ZIP center) · Grid FK78bf · CQ 8 · ITU 11 · map ↗
Seen Jun 30, 2016 → Oct 4, 2026 · 26 snapshots · as WP4PQY
Reinaldo Diaz Santos
Urb. El Encanto Box 1502, Juncos, PR 00777
18.2243, -65.9091 (ZIP center) · Grid FK78bf · CQ 8 · ITU 11 · map ↗
Seen Nov 4, 2016 → May 7, 2018 · 9 snapshots · as KP4RDS
REYNALDO DIAZ
Attn: REYNALDO DIAZ
PO Box 1502
EL ENCANTO, JUNCOS, PR 00777
18.2243, -65.9091 (ZIP center) · Grid FK78bf · CQ 8 · ITU 11 · map ↗

Previous holder: JOSEPH GONZALEZ

Held KP4YT Sep 27, 2007 → Nov 13, 2017 · first licensed Sep 27, 2007 as KP4YT · 1 license · FRN 0016886533

KP4YT Expired General Sep 27, 2007 → Nov 13, 2017 (expired)

Licensee
JOSEPH GONZALEZ

Address
500 THREE ISLANDS BLVD 208
HALLANDALE BEACH, FL 33009-2837
25.9844, -80.1456 (ZIP center) · Grid EL95wx · CQ 5 · ITU 8 · map ↗

FRN
0016886533

Last granted
Sep 27, 2007

Effective
Sep 27, 2007

Last action
Nov 14, 2019
FCC actions (3)
- Nov 14, 2019 — License expired LIEXP
- Sep 27, 2007 — FCC action LTSFRN
- Sep 27, 2007 — License renewed LIREN

Address history

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

Seen May 27, 2010 → Oct 4, 2026 · 47 snapshots · as KP4YT
JOSEPH GONZALEZ
500 THREE ISLANDS BLVD 208, HALLANDALE BEACH, FL 33009-2837
25.9844, -80.1456 (ZIP center) · Grid EL95wx · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as KP4YT
JOSEPH GONZALEZ
BOX 414426, MIAMI BEACH, FL 33141
25.8510, -80.1386 (ZIP center) · Grid EL95wu · CQ 5 · ITU 8 · map ↗

Others requesting KP4YT

4 applications listed KP4YT as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Sep 12, 2025	Sep 30, 2025	KP4RDS · REYNALDO DIAZ · Juncos, PR	1	Granted
Nov 23, 2022	Dec 11, 2022	KP3DJ · Frank Lugo Cruz · Canovanas, PR	9	Dismissed
Jul 18, 2022	Aug 5, 2022	KP4NCR · NORBERTO A COSME · JUNCOS, PR	3	Granted
Jul 18, 2018	Aug 5, 2018	WP4QBD · YOLANDA TOLEDO RUIZ · HATILLO, PR	1	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KP4YT in the last 24 hours. They show up here within seconds of KP4YT beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.