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

WP4JYM HAM

⏳ Not available yet — opens for vanity requests Apr 29, 2028, two years after the license was canceled (Apr 28, 2026).

2x3 call: any licensee 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

Previous holder: WALTER J PEREZ MARTINEZ

Held WP4JYM Jan 23, 2001 → Apr 28, 2026 · first licensed Jan 23, 2001 as WP4JYM · 2 licenses · FRN 0021170204

W4WYW Active Technician · vanity Apr 28, 2026 → expires Apr 28, 2036

Licensee
WALTER J PEREZ MARTINEZ

Address
PO Box 5004
MSC 165
YAUCO, PR 00698
18.0729, -66.8512 (ZIP center) · Grid FK68nb · CQ 8 · ITU 11 · map ↗

FRN
0021170204

Previous call
WP4JYM

Last granted
Apr 28, 2026

Effective
Apr 28, 2026

Last action
Apr 28, 2026
FCC actions (2)
- Apr 28, 2026 — Vanity call sign granted VANGRT
- Apr 28, 2026 — License issued LIISS
WP4JYM Canceled Technician Jan 23, 2001 → Apr 28, 2026 (canceled)

Licensee
WALTER J PEREZ MARTINEZ

Address
PO Box 5004
MSC 165
YAUCO, PR 00698
18.0729, -66.8512 (ZIP center) · Grid FK68nb · CQ 8 · ITU 11 · map ↗

FRN
0021170204

Last granted
Aug 3, 2021

Effective
Aug 3, 2021

Last action
Apr 28, 2026
FCC actions (8)
- Apr 28, 2026 — License canceled LICAN
- Aug 3, 2021 — License renewed LIREN
- Sep 24, 2011 — FCC action LTSFND
- Sep 24, 2011 — License renewed LIREN
- Sep 23, 2011 — FCC action ESCFRN
- Sep 12, 2001 — Administrative update LIAUA
- Jan 23, 2001 — License renewed LIREN
- Jan 23, 2001 — FCC action LITIN

Address history

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

Seen Mar 28, 2015 → Oct 4, 2026 · 38 snapshots · as WP4JYM
WALTER J PEREZ MARTINEZ
PO Box 5004
MSC 165, YAUCO, PR 00698
18.0729, -66.8512 (ZIP center) · Grid FK68nb · CQ 8 · ITU 11 · map ↗
Seen Oct 17, 2011 → May 22, 2014 · 10 snapshots · as WP4JYM
WALTER J PEREZ MARTINEZ
PO Box 5004
MSC 165, YAUCO, PR 00768
Seen Nov 7, 2004 → May 27, 2010 · 2 snapshots · as WP4JYM
WALTER J PEREZ MARTINEZ
MSC 165 CALL BOX 5004, YAUCO, PR 00768

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for WP4JYM in the last 24 hours. They show up here within seconds of WP4JYM beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.