N9TPB FCC License Search

🕒 FCC license data updated today 9:42 am CDT (FCC files through Sep 30, 2026) · next update tomorrow 9:15 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

AI4CT

✅ Available for a vanity request — free since Dec 20, 2005.

2x2 call: only Amateur Extra licensees can request it. No pending applications list it.

Not currently held · 1 holder on record · available since Dec 20, 2005

Previous holder: KAREN A BRIGGS

Held AI4CT Nov 26, 2003 → Dec 19, 2003 · first licensed Nov 26, 2003 as AI4CT · 3 licenses · FRN 0009932955

K8KB Canceled Amateur Extra · vanity Jan 10, 2006 → Oct 30, 2012 (canceled)

Licensee
KAREN A BRIGGS

Address
PO Box 65
STUART, FL 34995-0065

FRN
0009932955

Previous call
AK4KB

Last granted
Jan 10, 2006

Effective
Nov 22, 2011

Last action
Nov 28, 2012
FCC actions (6)
- Nov 28, 2012 — FCC action COR
- Nov 28, 2012 — FCC action COR
- Nov 28, 2012 — FCC action COR
- Nov 22, 2011 — FCC action LIAUA
- Jan 10, 2006 — Vanity call sign granted VANGRT
- Jan 10, 2006 — License issued LIISS
AK4KB Canceled Amateur Extra · vanity Dec 19, 2003 → Jan 10, 2006 (canceled)

Licensee
KAREN A BRIGGS

Address
PO Box 65
STUART, FL 34995-0065

FRN
0009932955

Previous call
AI4CT

Last granted
Dec 19, 2003

Effective
Jan 12, 2005

Last action
Nov 22, 2006
FCC actions (4)
- Jan 10, 2006 — License canceled LICAN
- Jan 12, 2005 — FCC action LIAUA
- Dec 19, 2003 — Vanity call sign granted VANGRT
- Dec 19, 2003 — License issued LIISS
AI4CT Canceled Amateur Extra Nov 26, 2003 → Dec 19, 2003 (canceled)

Licensee
KAREN A BRIGGS

Address
3056 SE MIMOSA ST
STUART, FL 34997
27.0505, -80.2712 (ZIP center) · Grid EL97ub · CQ 5 · ITU 8 · map ↗

FRN
0009932955

Last granted
Nov 26, 2003

Effective
Nov 26, 2003

Last action
Dec 19, 2003
FCC actions (2)
- Dec 19, 2003 — License canceled LICAN
- Nov 26, 2003 — License issued LIISS

Address history

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

Seen May 27, 2010 → Sep 27, 2026 · 92 snapshots · as AK4KB
KAREN A BRIGGS
PO Box 65
STUART, FL 34995-0065
Seen Nov 7, 2004 → Sep 27, 2026 · 48 snapshots · as AI4CT
KAREN A BRIGGS
3056 SE MIMOSA ST, STUART, FL 34997
27.0505, -80.2712 (ZIP center) · Grid EL97ub · CQ 5 · ITU 8 · map ↗

Others requesting AI4CT

1 application listed AI4CT as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Jan 15, 2026	Feb 2, 2026	KK4VGP · William D Carlisle Jr · Deerfield Beach, FL	1	Dismissed

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for AI4CT in the last 24 hours. They show up here within seconds of AI4CT beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.