N9TPB FCC License Search

🕒 FCC license data updated yesterday 9:45 am CDT · next update today 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

K9CPU HAM

✅ Available for a vanity request — free since Mar 11, 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 11, 2026

Previous holder: Rimas M Buntinas

Held K9CPU Mar 10, 2004 → Mar 10, 2024 · first licensed Jan 30, 2004 as KC9FJQ · 3 licenses · FRN 0005290861

📦 Moved: Highland Park, IL → Chicago, IL

K9CPU Expired General · vanity Mar 10, 2004 → Mar 10, 2024 (expired)

Licensee
Rimas M Buntinas

Address
Attn: WaveMachine Labs, Inc.
4256 N. Ravenswood Ave. Suite 111
Chicago, IL 60613
41.9562, -87.6530 (ZIP center) · Grid EN61ew · CQ 4 · ITU 8 · map ↗

FRN
0005290861

Previous call
K9GOG (Technician)

Last granted
Dec 11, 2013

Effective
Dec 11, 2013

Last action
Mar 11, 2026
FCC actions (7)
- Mar 11, 2026 — License expired LIEXP
- Dec 11, 2013 — License renewed LIREN
- Feb 25, 2011 — Administrative update LIAUA
- Jan 28, 2009 — License modified LIMOD
- May 1, 2007 — Administrative update LIAUA
- Mar 10, 2004 — Vanity call sign granted VANGRT
- Mar 10, 2004 — License issued LIISS
K9GOG Canceled Technician · vanity Feb 20, 2004 → Mar 10, 2004 (canceled)

Licensee
Rimas M Buntinas

Address
Attn: PC Solutions
2250 Green Bay Rd
Highland Park, IL 60035
42.1860, -87.8059 (ZIP center) · Grid EN62ce · CQ 4 · ITU 8 · map ↗

FRN
0005290861

Previous call
KC9FJQ

Last granted
Feb 20, 2004

Effective
Feb 20, 2004

Last action
Mar 10, 2004
FCC actions (3)
- Mar 10, 2004 — License canceled LICAN
- Feb 20, 2004 — Vanity call sign granted VANGRT
- Feb 20, 2004 — License issued LIISS
KC9FJQ Canceled Technician Jan 30, 2004 → Feb 20, 2004 (canceled)

Licensee
Rimas M Buntinas

Address
2250 Green Bay Rd
Highland Park, IL 60035
42.1860, -87.8059 (ZIP center) · Grid EN62ce · CQ 4 · ITU 8 · map ↗

FRN
0005290861

Last granted
Jan 30, 2004

Effective
Jan 30, 2004

Last action
Feb 20, 2004
FCC actions (2)
- Feb 20, 2004 — License canceled LICAN
- Jan 30, 2004 — License issued LIISS

Address history

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

Seen Oct 17, 2011 → Oct 4, 2026 · 46 snapshots · as K9CPU
Rimas M Buntinas
Attn: WaveMachine Labs, Inc.
4256 N. Ravenswood Ave. Suite 111, Chicago, IL 60613
41.9562, -87.6530 (ZIP center) · Grid EN61ew · CQ 4 · ITU 8 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 97 snapshots · as KC9FJQ
Rimas M Buntinas
2250 Green Bay Rd, Highland Park, IL 60035
42.1860, -87.8059 (ZIP center) · Grid EN62ce · CQ 4 · ITU 8 · map ↗
Seen May 27, 2010 · 1 snapshot · as K9CPU
Rimas M Buntinas
346 N. Justine St. Suite 200, Chicago, IL 60607
41.8748, -87.6545 (ZIP center) · Grid EN61eu · CQ 4 · ITU 8 · map ↗

Others requesting K9CPU

3 applications listed K9CPU as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Feb 20, 2004	Mar 9, 2004	K9GOG · Rimas M Buntinas · Highland Park, IL	1	Granted
Nov 6, 2002	Nov 24, 2002	KC9ASB · Michael R Cowden · Aurora, IL	2	Granted
Feb 11, 2000	Feb 29, 2000	KE4MIU · NATHAN P MC CRAY · KENOSHA, WI	3	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for K9CPU in the last 24 hours. They show up here within seconds of K9CPU beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.