N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 6, 2026) · next update today 8:30 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

N4DYK HAM

✅ Available for a vanity request — free since Oct 15, 2000.

1x3 call: Technician, General, Advanced and Amateur Extra licensees can request it. No pending applications list it.
Last requested Mar 27, 2009 as choice 11: not granted, that applicant got N4WRK instead.

📬 QSL: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH

Not currently held · 1 holder on record · available since Oct 15, 2000

Previous holder: JAMES F SOWINSKI

Held N4DYK → Oct 14, 1998 · first licensed as N4DYK · 3 licenses · FRN 0014695340

📦 Moved: Atlanta, GA → Hutchinson Island, FL

K4UDQ Active General · vanity Mar 16, 2006 → expires Mar 16, 2036

Licensee
JAMES F SOWINSKI

Address
282 Marina Drive
Hutchinson Island, FL 34949
27.4886, -80.3042 (street) · Grid EL97ul · CQ 5 · ITU 8 · map ↗

FRN
0014695340

Previous call
KG4AKI

Last granted
Jan 22, 2026

Effective
Jan 22, 2026

Last action
Jan 22, 2026
FCC actions (5)
- Jan 22, 2026 — License renewed LIREN
- Apr 12, 2024 — Administrative update LIAUA
- Jan 29, 2016 — License renewed LIREN
- Mar 16, 2006 — Vanity call sign granted VANGRT
- Mar 16, 2006 — License issued LIISS
📦 Moved: , None → Atlanta, GA

KG4AKI Canceled General Oct 14, 1998 → Mar 16, 2006 (canceled)

Licensee
JAMES F SOWINSKI

Address
845 BYRNWYCK RD NE
ATLANTA, GA 30319-1681
33.8760, -84.3348 (ZIP center) · Grid EM73tv · CQ 5 · ITU 8 · map ↗

FRN
0014695340

Previous call
N4DYK

Last granted
Oct 14, 1998

Effective
Oct 14, 1998

Last action
Mar 16, 2006
FCC actions (2)
- Mar 16, 2006 — License canceled LICAN
- Mar 2, 2006 — FCC action LTSFRN
N4DYK Canceled General → Oct 14, 1998 (canceled)

Licensee
JAMES F SOWINSKI

Address

Last granted

Effective

Last action

Address history

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

Seen Apr 27, 2024 → Oct 4, 2026 · 12 snapshots · as K4UDQ
JAMES F SOWINSKI
282 Marina Drive, Hutchinson Island, FL 34949
27.4886, -80.3042 (street) · Grid EL97ul · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as N4DYK
JAMES F SOWINSKI
Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as KG4AKI
JAMES F SOWINSKI
845 BYRNWYCK RD NE, ATLANTA, GA 30319-1681
33.8760, -84.3348 (ZIP center) · Grid EM73tv · CQ 5 · ITU 8 · map ↗
Seen May 27, 2010 → Apr 16, 2022 · 35 snapshots · as K4UDQ
JAMES F SOWINSKI
2046 TREASURE COAST PLAZA 362, VERO BEACH, FL 32960-0927
27.6407, -80.4036 (ZIP center) · Grid EL97tp · CQ 5 · ITU 8 · map ↗

Others requesting N4DYK

1 application listed N4DYK as a choice, newest first.

Filed	Award	Applicant	Choice #	N4DYK	Result
Mar 27, 2009	Apr 14, 2009	KJ4KLK · William R Kennedy Jr · Deltona, FL	11	Not granted	They got N4WRK (choice 1)

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for N4DYK in the last 24 hours. They show up here within seconds of N4DYK beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.