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

KK4LAS

✅ Available for a vanity request — free since Apr 13, 2015.

2x3 call: any licensee can request it. No pending applications list it.

Not currently held · 1 holder on record · available since Apr 13, 2015

Previous holder: WILLIAM C BURKHARD

Held KK4LAS Aug 13, 2012 → Apr 12, 2013 · first licensed Aug 13, 2012 as KK4LAS · 2 licenses · FRN 0021956305

AC4IT Expired Amateur Extra · vanity Apr 12, 2013 → Apr 12, 2023 (expired)

Licensee
WILLIAM C BURKHARD

Address
24 HARBOR LAKE CIRCLE
SAFETY HARBOR, FL 34695
28.0082, -82.6884 (ZIP center) · Grid EL88pa · CQ 5 · ITU 8 · map ↗

FRN
0021956305

Previous call
KK4LAS (General)

Last granted
Apr 12, 2013

Effective
Apr 12, 2013

Last action
Apr 15, 2025
FCC actions (3)
- Apr 15, 2025 — License expired LIEXP
- Apr 12, 2013 — Vanity call sign granted VANGRT
- Apr 12, 2013 — License issued LIISS
KK4LAS Canceled Amateur Extra Aug 13, 2012 → Apr 12, 2013 (canceled)

Licensee
WILLIAM C BURKHARD

Address
24 HARBOR LAKE CIRCLE
SAFETY HARBOR, FL 34695
28.0082, -82.6884 (ZIP center) · Grid EL88pa · CQ 5 · ITU 8 · map ↗

FRN
0021956305

Last granted
Aug 13, 2012

Effective
Mar 11, 2013

Last action
Apr 12, 2013
FCC actions (4)
- Apr 12, 2013 — License canceled LICAN
- Mar 11, 2013 — License modified LIMOD
- Aug 13, 2012 — License issued LIISS
- Aug 13, 2012 — 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 → Sep 27, 2026 · 79 snapshots · as KK4LAS
WILLIAM C BURKHARD
24 HARBOR LAKE CIRCLE, SAFETY HARBOR, FL 34695
28.0082, -82.6884 (ZIP center) · Grid EL88pa · CQ 5 · ITU 8 · map ↗

Others requesting KK4LAS

1 application listed KK4LAS as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Feb 4, 2026	Feb 22, 2026	KR4JIM · Aaron C Lassman · Falls Church, VA	25	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KK4LAS in the last 24 hours. They show up here within seconds of KK4LAS beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.