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

W0RXX HAM

✅ Available for a vanity request — free since Nov 21, 2015.

1x3 call: Technician, General, Advanced and Amateur Extra licensees can request it. No pending applications list it.

📬 QSL: LoTW user · last upload Nov 1, 2013 · not eQSL AG · QRZ · HamQTH

Not currently held · 1 holder on record · available since Nov 21, 2015

Previous holder: DONALD C RICHTENBURG

Held W0RXX Nov 14, 2009 → Nov 20, 2013 · first licensed Dec 16, 2000 as W0RXX · 4 licenses · FRN 0004613154

K6IGP Active Amateur Extra · vanity Nov 20, 2013 → expires Jul 30, 2035

Licensee
DONALD C RICHTENBURG

Address
38 Field
Irvine, CA 92620
33.7016, -117.7638 (street) · Grid DM13cq · CQ 3 · ITU 6 · map ↗

FRN
0004613154

Previous call
W0RXX (Advanced)

Last granted
Jul 30, 2025

Effective
Jul 30, 2025

Last action
Jul 30, 2025
FCC actions (4)
- Jul 30, 2025 — License renewed LIREN
- Dec 5, 2014 — License modified LIMOD
- Nov 20, 2013 — Vanity call sign granted VANGRT
- Nov 20, 2013 — License issued LIISS
W0RXX Canceled Advanced · vanity Nov 14, 2009 → Nov 20, 2013 (canceled)

Licensee
DONALD C RICHTENBURG

Address
Attn: DONALD C RICHTENBURG
38 Field
Irvine, CA 92620
33.7016, -117.7638 (street) · Grid DM13cq · CQ 3 · ITU 6 · map ↗

FRN
0004613154

Previous call
K6IGP

Last granted
Nov 14, 2009

Effective
Nov 14, 2009

Last action
Nov 20, 2013
FCC actions (3)
- Nov 20, 2013 — License canceled LICAN
- Nov 14, 2009 — Vanity call sign granted VANGRT
- Nov 14, 2009 — License issued LIISS
K6IGP Canceled Advanced · vanity Apr 25, 2008 → Nov 14, 2009 (canceled)

Licensee
DONALD C RICHTENBURG

Address
Attn: DONALD C RICHTENBURG
38 Field
Irvine, CA 92620
33.7016, -117.7638 (street) · Grid DM13cq · CQ 3 · ITU 6 · map ↗

FRN
0004613154

Previous call
W0RXX

Last granted
Apr 25, 2008

Effective
Apr 25, 2008

Last action
Nov 14, 2009
FCC actions (3)
- Nov 14, 2009 — License canceled LICAN
- Apr 25, 2008 — Vanity call sign granted VANGRT
- Apr 25, 2008 — License issued LIISS
W0RXX Canceled Advanced · vanity Dec 16, 2000 → Apr 25, 2008 (canceled)

Licensee
DONALD C RICHTENBURG

Address
38 Field
Irvine, CA 92620
33.7016, -117.7638 (street) · Grid DM13cq · CQ 3 · ITU 6 · map ↗

FRN
0004613154

Previous call
KB6QY

Last granted
May 24, 2006

Effective
May 24, 2006

Last action
Apr 25, 2008
FCC actions (4)
- Apr 25, 2008 — License canceled LICAN
- May 24, 2006 — License renewed LIREN
- May 29, 2002 — Administrative update LIAUA
- Dec 16, 2000 — Administrative update LIAUA

Address history

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

Seen Nov 7, 2004 → Oct 4, 2026 · 180 snapshots · as W0RXX
DONALD C RICHTENBURG
38 Field, Irvine, CA 92620
33.7016, -117.7638 (street) · Grid DM13cq · CQ 3 · ITU 6 · map ↗

Others requesting W0RXX

2 applications listed W0RXX as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Jun 9, 2022	Jun 27, 2022	KF0HVE · Mathew A Meyer · Omaha, NE	17	Granted
Oct 26, 2009	Nov 13, 2009	K6IGP · DONALD C RICHTENBURG · Irvine, CA	1	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for W0RXX in the last 24 hours. They show up here within seconds of W0RXX beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.