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

KZ0X HAM

⏳ Not available yet — opens for vanity requests Jan 25, 2028, two years after the license was canceled (Jan 24, 2026).

2x1 call: only 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 · 2 holders on record

Previous holder: John H Colonder II

Held KZ0X Sep 30, 2022 → Jan 24, 2026 · first licensed Jun 16, 2020 as KF0ANT · 4 licenses · FRN 0029672219

K0EXE Active Amateur Extra · vanity Jan 24, 2026 → expires Jan 24, 2036

Licensee
John H Colonder II

Address
Attn: John Colonder II
PO Box 63105
448 Oakley Dr
Clayrton, MO 63105
38.6451, -90.3326 (street) · Grid EM48up · CQ 4 · ITU 7 · map ↗

FRN
0029672219

Previous call
KZ0X (General)

Last granted
Jan 24, 2026

Effective
Jan 24, 2026

Last action
Jan 24, 2026
FCC actions (2)
- Jan 24, 2026 — Vanity call sign granted VANGRT
- Jan 24, 2026 — License issued LIISS
📦 Moved: Clayton, MO → Clayrton, MO

KZ0X Canceled Amateur Extra · vanity Sep 30, 2022 → Jan 24, 2026 (canceled)

Licensee
John H Colonder II

Address
Attn: John Colonder
448 Oakley Dr
Clayrton, MO 63105
38.6451, -90.3326 (street) · Grid EM48up · CQ 4 · ITU 7 · map ↗

FRN
0029672219

Previous call
K0EXE (General)

Last granted
Sep 30, 2022

Effective
Sep 30, 2022

Last action
Jan 24, 2026
FCC actions (3)
- Jan 24, 2026 — License canceled LICAN
- Sep 30, 2022 — Vanity call sign granted VANGRT
- Sep 30, 2022 — License issued LIISS
K0EXE Canceled Amateur Extra · vanity Mar 30, 2021 → Sep 30, 2022 (canceled)

Licensee
JOHN H COLONDER II

Address
448 Oakley Drive
Clayton, MO 63105
38.6443, -90.3281 (ZIP center) · Grid EM48up · CQ 4 · ITU 7 · map ↗

FRN
0029672219

Previous call
KF0ANT (General)

Last granted
Mar 30, 2021

Effective
Mar 30, 2021

Last action
Sep 30, 2022
FCC actions (3)
- Sep 30, 2022 — License canceled LICAN
- Mar 30, 2021 — Vanity call sign granted VANGRT
- Mar 30, 2021 — License issued LIISS
KF0ANT Canceled Amateur Extra Jun 16, 2020 → Mar 30, 2021 (canceled)

Licensee
JOHN H COLONDER II

Address
448 Oakley Drive
Clayton, MO 63105
38.6443, -90.3281 (ZIP center) · Grid EM48up · CQ 4 · ITU 7 · map ↗

FRN
0029672219

Last granted
Jun 16, 2020

Effective
Jan 26, 2021

Last action
Mar 30, 2021
FCC actions (6)
- Mar 30, 2021 — License canceled LICAN
- Jan 26, 2021 — Administrative update LIAUA
- Jul 6, 2020 — License modified LIMOD
- Jun 24, 2020 — License modified LIMOD
- Jun 16, 2020 — License issued LIISS
- Jun 16, 2020 — 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 K0EXE
John H Colonder II
Attn: John Colonder II
PO Box 63105
448 Oakley Dr, Clayrton, MO 63105
38.6451, -90.3326 (street) · Grid EM48up · CQ 4 · ITU 7 · map ↗
Seen Apr 27, 2024 → Oct 4, 2026 · 12 snapshots · as KZ0X
John H Colonder II
Attn: John Colonder
448 Oakley Dr, Clayrton, MO 63105
38.6451, -90.3326 (street) · Grid EM48up · CQ 4 · ITU 7 · map ↗
Seen Apr 16, 2022 → Oct 4, 2026 · 26 snapshots · as KF0ANT
JOHN H COLONDER II
448 Oakley Drive, Clayton, MO 63105
38.6443, -90.3281 (ZIP center) · Grid EM48up · CQ 4 · ITU 7 · map ↗

Previous holder: KENNETH A SELL

Held KZ0X Jul 19, 2000 → Sep 11, 2020 · first licensed Jul 19, 2000 as KZ0X · 1 license · FRN 0003868452

KZ0X Expired Amateur Extra Jul 19, 2000 → Sep 11, 2020 (expired)

Licensee
KENNETH A SELL

Address
4931 W Verde Ln
Phoenix, AZ 85031-4012
33.4940, -112.1669 (ZIP center) · Grid DM33vl · CQ 3 · ITU 6 · map ↗

FRN
0003868452

Previous call
KA0CFI (Advanced)

Last granted
Jul 14, 2010

Effective
Jul 14, 2010

Last action
Sep 13, 2022
FCC actions (4)
- Sep 13, 2022 — License expired LIEXP
- Jul 14, 2010 — License renewed LIREN
- Nov 3, 2000 — Administrative update LIAUA
- Jul 19, 2000 — License renewed LIREN

Address history

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

Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as KZ0X
KENNETH A SELL
4931 W Verde Ln, Phoenix, AZ 85031-4012
33.4940, -112.1669 (ZIP center) · Grid DM33vl · CQ 3 · ITU 6 · map ↗

Others requesting KZ0X

8 applications listed KZ0X as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Sep 19, 2022	Oct 7, 2022	KV4GP · GREGORY P ANDERSON · Hernando Beach, FL	14	Granted
Sep 19, 2022	Oct 7, 2022	KD9VRA · James E Flach · Carbondale, IL	14	Granted
Sep 12, 2022	Sep 30, 2022	K0EXE · JOHN H COLONDER II · Clayton, MO	1	Dismissed
Sep 12, 2022	Sep 30, 2022	K0EXE · John H Colonder II · Clayrton, MO	1	Granted
Sep 12, 2022	Sep 30, 2022	N0EYO · DANNY L MYERS · Loveland, CO	1	Dismissed
Sep 12, 2022	Sep 30, 2022	KY4RB · Matthew Reeps · WILMINGTON, NC	7	Granted
Sep 12, 2022	Sep 30, 2022	KF0IIC · Alexander J Lund · Rock Rapids, IA	2	Dismissed
Sep 12, 2022	Sep 30, 2022	WH6GKV · Devyn A Hearn · Fort Huachuca, AZ	2	Dismissed

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KZ0X in the last 24 hours. They show up here within seconds of KZ0X beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.