N9TPB FCC License Search

🕒 FCC license data updated yesterday 8:30 am CDT (FCC files through Oct 1, 2026) · 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

N3JOF HAM

✅ Available for a vanity request — free since Jun 18, 2006.

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 Jun 18, 2006

Previous holder: ROBERT A LUDWIG JR

Held N3JOF Jun 11, 2002 → Jun 17, 2004 · first licensed Jun 11, 2002 as N3JOF · 2 licenses · FRN 0004452827

📦 Moved: Springfield, MD → Clinton, MD

KF3EK Active Advanced Jun 17, 2004 → expires Feb 22, 2034

Licensee
ROBERT A LUDWIG JR

Address
Attn: ROBERT LUDWIG
6003 Woodland Ln
Clinton, MD 20735
38.7834, -76.9025 (street) · Grid FM18ns · CQ 5 · ITU 8 · map ↗

FRN
0004452827

Previous call
N3JOF (General)

Last granted
Feb 14, 2024

Effective
Feb 14, 2024

Last action
Feb 14, 2024
FCC actions (8)
- Feb 14, 2024 — License renewed LIREN
- Jun 29, 2022 — Administrative update LIAUA
- Nov 27, 2018 — Administrative update LIAUA
- Apr 26, 2016 — Administrative update LIAUA
- Nov 27, 2013 — License renewed LIREN
- May 21, 2009 — Administrative update LIAUA
- Jun 17, 2004 — Systematic call sign granted SYSGRT
- Jun 17, 2004 — License issued LIISS
N3JOF Canceled Advanced Jun 11, 2002 → Jun 17, 2004 (canceled)

Licensee
ROBERT A LUDWIG JR

Address
7643 TIVERTON DR
SPRINGFIELD, MD 22152-2019
38.7745, -77.2320 (ZIP center) · Grid FM18js · CQ 5 · ITU 8 · map ↗

FRN
0004452827

Last granted
Nov 25, 2003

Effective
Jun 17, 2004

Last action
Jun 17, 2004
FCC actions (4)
- Jun 17, 2004 — License canceled LICAN
- Jun 17, 2004 — Administrative update LIAUA
- Nov 25, 2003 — License renewed LIREN
- Jun 11, 2002 — Administrative update LIAUA

Address history

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

Seen Apr 27, 2024 → Sep 27, 2026 · 11 snapshots · as KF3EK
ROBERT A LUDWIG JR
Attn: ROBERT LUDWIG
6003 Woodland Ln, Clinton, MD 20735
38.7834, -76.9025 (street) · Grid FM18ns · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 → Sep 27, 2026 · 48 snapshots · as N3JOF
ROBERT A LUDWIG JR
7643 TIVERTON DR, SPRINGFIELD, MD 22152-2019
38.7745, -77.2320 (ZIP center) · Grid FM18js · CQ 5 · ITU 8 · map ↗
Seen Jan 22, 2019 → Apr 16, 2022 · 3 snapshots · as KF3EK
ROBERT A LUDWIG JR
Attn: ROBERT LUDWIG
10918 Larch Ave, Hagerstown, MD 21740
39.6319, -77.7439 (ZIP center) · Grid FM19dp · CQ 5 · ITU 8 · map ↗
Seen Jun 30, 2016 → Sep 3, 2018 · 11 snapshots · as KF3EK
ROBERT A LUDWIG JR
Attn: ROBERT LUDWIG
5814 Danbury Rd, SPRINGFIELD, VA 22150-2444
38.7729, -77.1865 (ZIP center) · Grid FM18js · CQ 5 · ITU 8 · map ↗
Seen May 27, 2010 → Mar 16, 2016 · 21 snapshots · as KF3EK
ROBERT A LUDWIG JR
5920 AUGUSTA DRIVE, SPRINGFIELD, VA 22150-2401
38.7729, -77.1865 (ZIP center) · Grid FM18js · CQ 5 · ITU 8 · map ↗

Others requesting N3JOF

1 application listed N3JOF as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Sep 6, 2016	Sep 24, 2016	KG5MPD · JAMES W O'FLYNN · LAUREL, MS	6	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for N3JOF in the last 24 hours. They show up here within seconds of N3JOF beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.