N9TPB FCC License Search

🕒 FCC license data updated yesterday 9:45 am CDT · next update today 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

K8NMU HAM

✅ Available for a vanity request — free since Mar 6, 2026.

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

📬 QSL: LoTW user · last upload Dec 21, 2004 · eQSL AG member · QRZ · HamQTH

Not currently held · 1 holder on record · available since Mar 6, 2026

Previous holder: JOSEPH L DUCKWORTH JR

Held K8NMU Dec 6, 2003 → Mar 5, 2024 · first licensed Jan 12, 1996 as KB8YJU · 2 licenses · FRN 0009878976

📦 Moved: Gwinn, MI → Negaunee, MI

K8NMU Expired Technician · vanity Dec 6, 2003 → Mar 5, 2024 (expired)

Licensee
JOSEPH L DUCKWORTH JR

Address
640 BURT ST #1
NEGAUNEE, MI 49866
46.4159, -87.5848 (ZIP center) · Grid EN66ej · CQ 4 · ITU 8 · map ↗

FRN
0009878976

Previous call
KB8YJU (Technician Plus)

Last granted
Apr 9, 2015

Effective
Apr 9, 2015

Last action
Mar 6, 2026
FCC actions (4)
- Mar 6, 2026 — License expired LIEXP
- Apr 9, 2015 — License renewed LIREN
- Dec 6, 2003 — Vanity call sign granted VANGRT
- Dec 6, 2003 — License issued LIISS
KB8YJU Canceled Technician Plus Jan 12, 1996 → Dec 6, 2003 (canceled)

Licensee
JOSEPH L DUCKWORTH JR

Address
497 N RIVER DR
GWINN, MI 49841
46.2671, -87.4996 (ZIP center) · Grid EN66gg · CQ 4 · ITU 8 · map ↗

FRN
0009878976

Last granted
Jan 12, 1996

Effective
Jan 12, 1996

Last action
Dec 6, 2003
FCC actions (1)
- Dec 6, 2003 — License canceled LICAN

Address history

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

Seen May 19, 2015 → Oct 4, 2026 · 35 snapshots · as K8NMU
JOSEPH L DUCKWORTH JR
640 BURT ST #1, NEGAUNEE, MI 49866
46.4159, -87.5848 (ZIP center) · Grid EN66ej · CQ 4 · ITU 8 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as KB8YJU
JOSEPH L DUCKWORTH JR
497 N RIVER DR, GWINN, MI 49841
46.2671, -87.4996 (ZIP center) · Grid EN66gg · CQ 4 · ITU 8 · map ↗
Seen Nov 7, 2004 → Mar 28, 2015 · 13 snapshots · as K8NMU
JOSEPH L DUCKWORTH JR
2012 HURON ST, MARQUETTE, MI 49841
46.2671, -87.4996 (ZIP center) · Grid EN66gg · CQ 4 · ITU 8 · map ↗

Others requesting K8NMU

1 application listed K8NMU as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Nov 18, 2003	Dec 6, 2003	KB8YJU · JOSEPH L DUCKWORTH JR · MARQUETTE, MI	1	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for K8NMU in the last 24 hours. They show up here within seconds of K8NMU beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.