N9TPB FCC License Search

🕒 FCC license data updated today 6:02 am CDT (FCC files through Oct 2, 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

KP4ZU HAM

✅ Available for a vanity request — free since Jul 10, 2026.

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 Jul 10, 2026

Previous holder: Ruben Fernandez

Held KP4ZU Apr 24, 2014 → Jul 9, 2024 · first licensed Apr 24, 2014 as KP4ZU · 1 license · FRN 0001840388

KP4ZU Expired Advanced Apr 24, 2014 → Jul 9, 2024 (expired)

Licensee
Ruben Fernandez

Address
3365 Calle Campo Alegre
San Antonio, PR 00690
18.4935, -67.0969 (ZIP center) · Grid FK68kl · CQ 8 · ITU 11 · map ↗

FRN
0001840388

Previous call
WP4MQB (General)

Last granted
Apr 24, 2014

Effective
Apr 24, 2014

Last action
Jul 10, 2026
FCC actions (2)
- Jul 10, 2026 — License expired LIEXP
- Apr 24, 2014 — License renewed LIREN

Address history

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

Seen May 22, 2014 → Sep 27, 2026 · 36 snapshots · as KP4ZU
Ruben Fernandez
3365 Calle Campo Alegre, San Antonio, PR 00690
18.4935, -67.0969 (ZIP center) · Grid FK68kl · CQ 8 · ITU 11 · map ↗
Seen Nov 7, 2004 → Mar 28, 2014 · 11 snapshots · as KP4ZU
Ruben Fernandez
PO Box 283
San Antonio, PR 00690
18.4935, -67.0969 (ZIP center) · Grid FK68kl · CQ 8 · ITU 11 · map ↗

Others requesting KP4ZU

2 applications listed KP4ZU as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Nov 12, 2002	Nov 30, 2002	KP4CJ · FRANCISCO CORDERO · SAN ANTONIO, PR	23	Granted
Jul 28, 1999	Aug 15, 1999	WP4GNM · VICTOR M MILLAN DIAZ · YABUCOA, PR	3	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KP4ZU in the last 24 hours. They show up here within seconds of KP4ZU beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.