N9TPB FCC License Search

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

KC0BU

Not currently held · 1 holder on record · available since May 18, 2026

Previous holder: Terry L Koelling

Held KC0BU Mar 7, 2020 → May 17, 2024 · first licensed Dec 18, 1990 as KC0BU · 6 licenses · FRN 0029103611

AD0A Active Amateur Extra · vanity Apr 26, 2025 → expires Apr 26, 2035

Licensee
Terry L Koelling

Address
Attn: Terry L Koelling
7302 W 82nd Way
Arvada, CO 80003
39.8487, -105.0784 (street) · Grid DM79lu · CQ 4 · ITU 7 · map ↗

FRN
0029103611

Previous call
WF5C (General)

Last granted
Apr 26, 2025

Effective
Apr 26, 2025

Last action
Apr 26, 2025
FCC actions (2)
- Apr 26, 2025 — Vanity call sign granted VANGRT
- Apr 26, 2025 — License issued LIISS
WF5C Canceled Amateur Extra · vanity Jun 15, 2024 → Apr 26, 2025 (canceled)

Licensee
Terry L Koelling

Address
Attn: Terry L Koelling
7302 W 82nd Way
Arvada, CO 80003
39.8487, -105.0784 (street) · Grid DM79lu · CQ 4 · ITU 7 · map ↗

FRN
0029103611

Previous call
AD0A (General)

Last granted
Jun 15, 2024

Effective
Jun 15, 2024

Last action
Apr 26, 2025
FCC actions (3)
- Apr 26, 2025 — License canceled LICAN
- Jun 15, 2024 — Vanity call sign granted VANGRT
- Jun 15, 2024 — License issued LIISS
AD0A Canceled Amateur Extra · vanity May 17, 2024 → Jun 15, 2024 (canceled)

Licensee
Terry L Koelling

Address
Attn: Terry L Koelling
7302 W 82nd Way
Arvada, CO 80003
39.8487, -105.0784 (street) · Grid DM79lu · CQ 4 · ITU 7 · map ↗

FRN
0029103611

Previous call
KC0BU (General)

Last granted
May 17, 2024

Effective
May 17, 2024

Last action
Jun 15, 2024
FCC actions (3)
- Jun 15, 2024 — License canceled LICAN
- May 17, 2024 — Vanity call sign granted VANGRT
- May 17, 2024 — License issued LIISS
KC0BU Canceled Amateur Extra · vanity Mar 7, 2020 → May 17, 2024 (canceled)

Licensee
Terry L Koelling

Address
Attn: Terry L Koelling
7302 W 82nd Way
Arvada, CO 80003
39.8487, -105.0784 (street) · Grid DM79lu · CQ 4 · ITU 7 · map ↗

FRN
0029103611

Previous call
KE0YZX (General)

Last granted
Mar 7, 2020

Effective
Mar 7, 2020

Last action
May 17, 2024
FCC actions (3)
- May 17, 2024 — License canceled LICAN
- Mar 7, 2020 — Vanity call sign granted VANGRT
- Mar 7, 2020 — License issued LIISS
📦 Moved: Hurst, TX → Arvada, CO

KE0YZX Canceled Amateur Extra Jan 21, 2020 → Mar 7, 2020 (canceled)

Licensee
Terry L Koelling

Address
7302 W 82nd Way
Arvada, CO 80003
39.8487, -105.0784 (street) · Grid DM79lu · CQ 4 · ITU 7 · map ↗

FRN
0029103611

Last granted
Jan 21, 2020

Effective
Feb 18, 2020

Last action
Mar 7, 2020
FCC actions (4)
- Mar 7, 2020 — License canceled LICAN
- Feb 18, 2020 — License modified LIMOD
- Jan 21, 2020 — License issued LIISS
- Jan 21, 2020 — Systematic call sign granted SYSGRT
KC0BU Expired Advanced Dec 18, 1990 → Dec 18, 2000 (expired)

Licensee
ROBERT L KOELLING

Address
412 BAKER DR
HURST, TX 76054
32.8573, -97.1786 (ZIP center) · Grid EM12ju · CQ 4 · ITU 7 · map ↗

Previous call
KA0GDX

Last granted
Dec 18, 1990

Effective
Dec 18, 1990

Last action
Dec 19, 2002
FCC actions (1)
- Dec 19, 2002 — License expired LIEXP

Address history

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

Seen Apr 16, 2022 → Sep 27, 2026 · 47 snapshots · as KE0YZX
Terry L Koelling
7302 W 82nd Way, Arvada, CO 80003
39.8487, -105.0784 (street) · Grid DM79lu · CQ 4 · ITU 7 · map ↗
Seen Nov 7, 2004 → Sep 27, 2026 · 47 snapshots · as KC0BU
ROBERT L KOELLING
412 BAKER DR, HURST, TX 76054
32.8573, -97.1786 (ZIP center) · Grid EM12ju · CQ 4 · ITU 7 · map ↗

Vanity requests for KC0BU

1 application listed KC0BU as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Feb 18, 2020	Mar 7, 2020	KE0YZX · Terry L Koelling · Arvada, CO	1	Granted