N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 5, 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

KK4DFB HAM

✅ Available for a vanity request — free since Dec 15, 2014.

2x3 call: any licensee 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 15, 2014

Previous holder: Theodore H Aronson

Held KK4DFB Jul 19, 2011 → Dec 14, 2012 · first licensed Jul 19, 2011 as KK4DFB · 2 licenses · FRN 0021032545

W9THA Expired General · vanity Dec 14, 2012 → Dec 14, 2022 (expired)

Licensee
Theodore H Aronson

Address
1759 60th Avenue
Osceola, WI 54020
45.2748, -92.6620 (ZIP center) · Grid EN35qg · CQ 4 · ITU 7 · map ↗

FRN
0021032545

Previous call
KK4DFB

Last granted
Dec 14, 2012

Effective
Dec 14, 2012

Last action
Dec 17, 2024
FCC actions (3)
- Dec 17, 2024 — License expired LIEXP
- Dec 14, 2012 — Vanity call sign granted VANGRT
- Dec 14, 2012 — License issued LIISS
KK4DFB Canceled General Jul 19, 2011 → Dec 14, 2012 (canceled)

Licensee
Theodore H Aronson

Address
1759 60th Avenue
Osceola, WI 54020
45.2748, -92.6620 (ZIP center) · Grid EN35qg · CQ 4 · ITU 7 · map ↗

FRN
0021032545

Last granted
Jul 19, 2011

Effective
Nov 8, 2012

Last action
Dec 14, 2012
FCC actions (4)
- Dec 14, 2012 — License canceled LICAN
- Nov 8, 2012 — Administrative update LIAUA
- Jul 19, 2011 — License issued LIISS
- Jul 19, 2011 — 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 Feb 18, 2013 → Oct 4, 2026 · 84 snapshots · as KK4DFB
Theodore H Aronson
1759 60th Avenue, Osceola, WI 54020
45.2748, -92.6620 (ZIP center) · Grid EN35qg · CQ 4 · ITU 7 · map ↗
Seen Oct 17, 2011 → Jul 26, 2012 · 4 snapshots · as KK4DFB
Theodore H Aronson
4932 Britni Way 77, Zephyrhills, FL 33541
28.2340, -82.2214 (ZIP center) · Grid EL88vf · CQ 5 · ITU 8 · map ↗

Others requesting KK4DFB

1 application listed KK4DFB as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Apr 14, 2015	May 2, 2015	KM4JPN · DAVID F BERGWALL · WAKE FOREST, NC	3	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KK4DFB in the last 24 hours. They show up here within seconds of KK4DFB beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.