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

W4TDK 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: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH

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

Previous holder: Torbjorn D Kallner

Held W4TDK Dec 12, 2003 → Mar 5, 2024 · first licensed Jun 11, 2002 as KG4TTD · 2 licenses · FRN 0007126980

W4TDK Expired General · vanity Dec 12, 2003 → Mar 5, 2024 (expired)

Licensee
Torbjorn D Kallner

Address
2516 S 19th St #102
Fort Pierce, FL 34982
27.3753, -80.3115 (ZIP center) · Grid EL97uj · CQ 5 · ITU 8 · map ↗

FRN
0007126980

Previous call
KG4TTD (Technician)

Last granted
Sep 17, 2013

Effective
Aug 15, 2014

Last action
Mar 6, 2026
FCC actions (6)
- Mar 6, 2026 — License expired LIEXP
- Aug 15, 2014 — Administrative update LIAUA
- Sep 17, 2013 — License renewed LIREN
- Jul 10, 2013 — Administrative update LIAUA
- Dec 12, 2003 — Vanity call sign granted VANGRT
- Dec 12, 2003 — License issued LIISS
KG4TTD Canceled General Jun 11, 2002 → Dec 12, 2003 (canceled)

Licensee
Torbjorn D Kallner

Address
2470 Atlantis Dr - 10
Fort Pierce, FL 34981-5519
27.3933, -80.3721 (ZIP center) · Grid EL97tj · CQ 5 · ITU 8 · map ↗

FRN
0007126980

Last granted
Jun 11, 2002

Effective
Oct 1, 2002

Last action
Dec 12, 2003
FCC actions (3)
- Dec 12, 2003 — License canceled LICAN
- Oct 1, 2002 — License modified LIMOD
- Jun 11, 2002 — License issued LIISS

Address history

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

Seen Mar 28, 2015 → Oct 4, 2026 · 36 snapshots · as W4TDK
Torbjorn D Kallner
2516 S 19th St #102, Fort Pierce, FL 34982
27.3753, -80.3115 (ZIP center) · Grid EL97uj · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 57 snapshots · as KG4TTD
Torbjorn D Kallner
2470 Atlantis Dr - 10, Fort Pierce, FL 34981-5519
27.3933, -80.3721 (ZIP center) · Grid EL97tj · CQ 5 · ITU 8 · map ↗
Seen Oct 22, 2013 → May 22, 2014 · 3 snapshots · as W4TDK
Torbjorn D Kallner
8525 De Havilland Ct, Vero Beach, FL 32968
27.5932, -80.5087 (ZIP center) · Grid EL97ro · CQ 5 · ITU 8 · map ↗

Others requesting W4TDK

3 applications listed W4TDK as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Nov 24, 2003	Dec 12, 2003	KG4TTD · Torbjorn D Kallner · Fort Pierce, FL	1	Granted
Dec 15, 1999	Jan 2, 2000	KG4EWF · Paul M Coleman · Ridgeway, VA	8	Granted
Aug 11, 1999	Aug 29, 1999	WB4CSV · DAVID K KING · CLEVELAND, TN	12	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for W4TDK in the last 24 hours. They show up here within seconds of W4TDK beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.