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

WP3FS HAM

✅ Available for a vanity request — free since Apr 18, 2002.

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 Apr 18, 2002

Previous holder: Bo I Karlsson

Held WP3FS Jan 4, 2000 → Apr 17, 2000 · first licensed Jan 4, 2000 as WP3FS · 2 licenses · FRN 0001799428

WP3W Expired Amateur Extra · vanity Apr 17, 2000 → Apr 17, 2010 (expired)

Licensee
Bo I Karlsson

Address
Suite 1910 654 Munoz Rivera Ave
San Juan, PR 00918-4141
18.4222, -66.0691 (ZIP center) · Grid FK68xk · CQ 8 · ITU 11 · map ↗

FRN
0001799428

Previous call
WP3FS (General)

Last granted
Apr 17, 2000

Effective
Apr 17, 2000

Last action
Apr 18, 2012
FCC actions (2)
- Apr 18, 2012 — License expired LIEXP
- Apr 17, 2000 — License issued LIISS
WP3FS Canceled Amateur Extra Jan 4, 2000 → Apr 17, 2000 (canceled)

Licensee
Bo I Karlsson

Address
654 Munoz Rivera Ave Suite 1910
San Juan, PR 00918
18.4222, -66.0691 (ZIP center) · Grid FK68xk · CQ 8 · ITU 11 · map ↗

FRN
0001799428

Last granted
Jan 4, 2000

Effective
Feb 3, 2000

Last action
Apr 17, 2000
FCC actions (3)
- Apr 17, 2000 — License canceled LICAN
- Feb 3, 2000 — License modified LIMOD
- Jan 4, 2000 — License issued LIISS

Address history

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

Seen Nov 7, 2004 → Sep 27, 2026 · 47 snapshots · as WP3FS
Bo I Karlsson
654 Munoz Rivera Ave Suite 1910, San Juan, PR 00918
18.4222, -66.0691 (ZIP center) · Grid FK68xk · CQ 8 · ITU 11 · map ↗
Seen Nov 7, 2004 → Sep 27, 2026 · 47 snapshots · as WP3W
Bo I Karlsson
Suite 1910 654 Munoz Rivera Ave, San Juan, PR 00918-4141
18.4222, -66.0691 (ZIP center) · Grid FK68xk · CQ 8 · ITU 11 · map ↗

Others requesting WP3FS

2 applications listed WP3FS as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Jul 20, 2010	Aug 7, 2010	WP4FJS · FRANCISCO J SANTIAGO · SAN JUAN, PR	2	Granted
Sep 10, 1999	Sep 28, 1999	WP4FKJ · RAMON A GONZALEZ · Orlando, FL	3	Dismissed

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for WP3FS in the last 24 hours. They show up here within seconds of WP3FS beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.