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

W0CPK HAM

✅ Available for a vanity request — free since Mar 24, 2020.

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 24, 2020

Previous holder: Christopher P Kaiser

Held W0CPK Jun 13, 2006 → Mar 23, 2018 · first licensed May 23, 2006 as KC0WVK · 3 licenses · FRN 0015065972

📦 Moved: Arnold, MO → Saint Louis, MO

W0GMH Active Technician · vanity Mar 23, 2018 → expires Mar 23, 2028

Licensee
Christopher P Kaiser

Address
13131 Tesson Hollow Dr.
Saint Louis, MO 63128
38.4920, -90.3866 (ZIP center) · Grid EM48tl · CQ 4 · ITU 7 · map ↗

FRN
0015065972

Previous call
W0CPK

Last granted
Mar 23, 2018

Effective
Jul 16, 2026

Last action
Jul 16, 2026
FCC actions (3)
- Jul 16, 2026 — Administrative update LIAUA
- Mar 23, 2018 — Vanity call sign granted VANGRT
- Mar 23, 2018 — License issued LIISS
📦 Moved: Saint Charles, MO → Arnold, MO

W0CPK Canceled Technician · vanity Jun 13, 2006 → Mar 23, 2018 (canceled)

Licensee
Christopher P Kaiser

Address
1500 Avion Rdg, APT 306
Arnold, MO 63010
38.4304, -90.3921 (ZIP center) · Grid EM48tk · CQ 4 · ITU 7 · map ↗

FRN
0015065972

Previous call
KC0WVK

Last granted
Apr 1, 2016

Effective
Apr 1, 2016

Last action
Mar 23, 2018
FCC actions (7)
- Mar 23, 2018 — License canceled LICAN
- Apr 1, 2016 — License renewed LIREN
- Sep 2, 2015 — Administrative update LIAUA
- Apr 27, 2010 — Administrative update LIAUA
- Sep 1, 2009 — Administrative update LIAUA
- Jun 13, 2006 — Vanity call sign granted VANGRT
- Jun 13, 2006 — License issued LIISS
KC0WVK Canceled Technician May 23, 2006 → Jun 13, 2006 (canceled)

Licensee
Christopher P Kaiser

Address
1310 Summergate Pkwy
Saint Charles, MO 63303
38.7398, -90.5437 (ZIP center) · Grid EM48rr · CQ 4 · ITU 7 · map ↗

FRN
0015065972

Last granted
May 23, 2006

Effective
May 23, 2006

Last action
Jun 13, 2006
FCC actions (3)
- Jun 13, 2006 — License canceled LICAN
- May 23, 2006 — License issued LIISS
- May 23, 2006 — 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 Sep 27, 2026 → Oct 4, 2026 · 2 snapshots · as W0GMH
Christopher P Kaiser
13131 Tesson Hollow Dr., Saint Louis, MO 63128
38.4920, -90.3866 (ZIP center) · Grid EM48tl · CQ 4 · ITU 7 · map ↗
Seen Sep 18, 2015 → Oct 4, 2026 · 47 snapshots · as W0CPK
Christopher P Kaiser
1500 Avion Rdg, APT 306, Arnold, MO 63010
38.4304, -90.3921 (ZIP center) · Grid EM48tk · CQ 4 · ITU 7 · map ↗
Seen May 27, 2010 → Oct 4, 2026 · 47 snapshots · as KC0WVK
Christopher P Kaiser
1310 Summergate Pkwy, Saint Charles, MO 63303
38.7398, -90.5437 (ZIP center) · Grid EM48rr · CQ 4 · ITU 7 · map ↗
Seen May 27, 2010 → Aug 2, 2015 · 15 snapshots · as W0CPK
Christopher P Kaiser
1310 Summergate Pkwy, St. Charles, MO 63303
38.7398, -90.5437 (ZIP center) · Grid EM48rr · CQ 4 · ITU 7 · map ↗

Others requesting W0CPK

1 application listed W0CPK as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
May 24, 2006	Jun 11, 2006	KC0WVK · Christopher P Kaiser · Saint Charles, MO	1	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for W0CPK in the last 24 hours. They show up here within seconds of W0CPK beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.