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

W0LSU HAM

✅ Available for a vanity request — free since Dec 24, 2023.

1x3 call: Technician, General, 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 Dec 24, 2023

Previous holder: David J Lapthorne

Held W0LSU Dec 23, 2011 → Dec 23, 2021 · first licensed Jul 30, 2010 as KD0MME · 2 licenses · FRN 0020079117

📦 Moved: Springfield, MO → Sparta, MO

W0LSU Expired Amateur Extra · vanity Dec 23, 2011 → Dec 23, 2021 (expired)

Licensee
David J Lapthorne

Address
371 State Highway 125 N
Sparta, MO 65753
36.9946, -93.0562 (ZIP center) · Grid EM36lx · CQ 4 · ITU 7 · map ↗

FRN
0020079117

Previous call
KD0MME (Technician)

Last granted
Dec 23, 2011

Effective
Mar 11, 2016

Last action
Dec 27, 2023
FCC actions (4)
- Dec 27, 2023 — License expired LIEXP
- Mar 11, 2016 — Administrative update LIAUA
- Dec 23, 2011 — Vanity call sign granted VANGRT
- Dec 23, 2011 — License issued LIISS
KD0MME Canceled Amateur Extra Jul 30, 2010 → Dec 23, 2011 (canceled)

Licensee
David J Lapthorne

Address
3437 S Franklin Ave
Springfield, MO 65807
37.1675, -93.3248 (ZIP center) · Grid EM37ie · CQ 4 · ITU 7 · map ↗

FRN
0020079117

Last granted
Jul 30, 2010

Effective
Sep 3, 2010

Last action
Dec 23, 2011
FCC actions (4)
- Dec 23, 2011 — License canceled LICAN
- Sep 3, 2010 — License modified LIMOD
- Jul 30, 2010 — License issued LIISS
- Jul 30, 2010 — 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 Mar 16, 2016 → Oct 4, 2026 · 27 snapshots · as W0LSU
David J Lapthorne
371 State Highway 125 N, Sparta, MO 65753
36.9946, -93.0562 (ZIP center) · Grid EM36lx · CQ 4 · ITU 7 · map ↗
Seen Oct 17, 2011 → Oct 4, 2026 · 63 snapshots · as KD0MME
David J Lapthorne
3437 S Franklin Ave, Springfield, MO 65807
37.1675, -93.3248 (ZIP center) · Grid EM37ie · CQ 4 · ITU 7 · map ↗

Others requesting W0LSU

4 applications listed W0LSU as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Dec 5, 2011	Dec 23, 2011	KD0MME · David J Lapthorne · Springfield, MO	1	Granted
Oct 12, 2005	Oct 30, 2005	KE5GBU · Edward Ireson · Baton Rouge, LA	2	Granted
Jul 12, 2002	Jul 30, 2002	KD5SRC · LOUISANA STATE UNIV AMA RADIO CLUB · Baton Rouge, LA	13	Granted
May 29, 2002	Jun 16, 2002	KC5BQV · Odie D Asscherick · Houston, TX	10	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for W0LSU in the last 24 hours. They show up here within seconds of W0LSU beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.