N9TPB FCC License Search

🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 5, 2026) · next update today 7:15 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

WB0TUF HAM

✅ Available for a vanity request — free since Apr 16, 2013.

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 · available since Apr 16, 2013

Previous holder: FREDRICH A CLARKSON

Held WB0TUF Nov 5, 2006 → Apr 15, 2011 · first licensed Nov 5, 2006 as WB0TUF · 2 licenses · FRN 0015692262

W0SKI Active Advanced · vanity Apr 15, 2011 → expires Apr 15, 2031

Licensee
FREDRICH A CLARKSON

Address
PO Box 69774
ORO VALLEY, AZ 85737-0021
32.4146, -110.9466 (ZIP center) · Grid DM42mj · CQ 3 · ITU 6 · map ↗

FRN
0015692262

Previous call
WB0TUF

Last granted
Jan 26, 2021

Effective
Jan 26, 2021

Last action
Jan 26, 2021
FCC actions (3)
- Jan 26, 2021 — License renewed LIREN
- Apr 15, 2011 — Vanity call sign granted VANGRT
- Apr 15, 2011 — License issued LIISS
WB0TUF Canceled Advanced Nov 5, 2006 → Apr 15, 2011 (canceled)

Licensee
FREDRICH A CLARKSON

Address
PO Box 69774
13245 N BOOMING DR
ORO VALLEY, AZ 85737-0021
32.4146, -110.9466 (ZIP center) · Grid DM42mj · CQ 3 · ITU 6 · map ↗

FRN
0015692262

Last granted
Nov 7, 2006

Effective
Nov 7, 2006

Last action
Apr 15, 2011
FCC actions (3)
- Apr 15, 2011 — License canceled LICAN
- Nov 7, 2006 — License renewed LIREN
- Nov 5, 2006 — FCC action ESCFRN

Address history

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

Seen Apr 16, 2022 → Oct 4, 2026 · 13 snapshots · as W0SKI
FREDRICH A CLARKSON
PO Box 69774
ORO VALLEY, AZ 85737-0021
32.4146, -110.9466 (ZIP center) · Grid DM42mj · CQ 3 · ITU 6 · map ↗
Seen May 27, 2010 → Oct 4, 2026 · 80 snapshots · as WB0TUF
FREDRICH A CLARKSON
PO Box 69774
13245 N BOOMING DR, ORO VALLEY, AZ 85737-0021
32.4146, -110.9466 (ZIP center) · Grid DM42mj · CQ 3 · ITU 6 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as WB0TUF
FREDRICH A CLARKSON
101 29TH AVE SW, CEDAR RAPIDS, IA 52404
41.9230, -91.6885 (ZIP center) · Grid EN41dw · CQ 4 · ITU 7 · map ↗

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for WB0TUF in the last 24 hours. They show up here within seconds of WB0TUF beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.