N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 8:30 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

WP4OSC HAM 📻 GMRS

📻

Also a GMRS licensee

WRTK642

Active until Jun 28, 2032 · same FCC Registration Number (FRN) · GMRS covers the licensee's immediate family

General class licensed since 2013 (13 yrs) Guayama, PR GMRS WRTK642

🔒 Not available — currently licensed, through Jul 18, 2033. If it isn't renewed, it opens for vanity requests Jul 19, 2035.

📬 QSL: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH

📝 WP4OSC has filed vanity applications before — latest filed Aug 3, 2023 · what was requested

Currently held by Elvin Guzman Vega · 1 holder on record

Current holder: Elvin Guzman Vega

Held WP4OSC Mar 28, 2013 → present · first licensed Mar 28, 2013 as WP4OSC · 1 license · FRN 0022572457

WP4OSC Active General Mar 28, 2013 → expires Jul 18, 2033

Licensee
Elvin Guzman Vega

Address
PO Box 794
Guayama, PR 00785

FRN
0022572457

Last granted
Jul 18, 2023

Effective
Jul 18, 2023

Last action
Jul 18, 2023
FCC actions (5)
- Jul 18, 2023 — License renewed LIREN
- Jul 28, 2022 — Administrative update LIAUA
- Jan 5, 2018 — License modified LIMOD
- Mar 28, 2013 — License issued LIISS
- Mar 28, 2013 — 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 Apr 27, 2024 → Oct 4, 2026 · 12 snapshots · as WP4OSC
Elvin Guzman Vega
PO Box 794, Guayama, PR 00785
Seen Apr 6, 2013 → Apr 16, 2022 · 29 snapshots · as WP4OSC
Elvin Guzman Vega
Urb Blondet 77 B St, Guayama, PR 00784
18.0107, -66.1336 (ZIP center) · Grid FK68wa · CQ 8 · ITU 11 · map ↗

Vanity applications filed by WP4OSC

Calls this licensee has asked the FCC for, newest first, in their order of preference. The FCC processes applications 18 days after filing; "likely award" is our estimate from every pending application in filing order.

Filed · Award	Applicant	Requested (in order)	Status
Filed Aug 3, 2023 Award date was Aug 21, 2023 0010642294	WP4OSC · Elvin Guzman Vega · General PO Box 794, Guayama, PR 00785	1.KP4TK	Dismissed

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for WP4OSC in the last 24 hours. They show up here within seconds of WP4OSC beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.