N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 8:30 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

K0BUM HAM

⏳ Not available yet — opens for vanity requests Jun 17, 2028, two years after the license was canceled (Jun 16, 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 · 2 holders on record

Previous holder: Casey J Witt

Held K0BUM May 27, 2026 → Jun 16, 2026 · first licensed Dec 2, 2023 as K0PTA · 8 licenses · FRN 0035570076

K2FCC Active Technician · vanity Jul 17, 2026 → expires Jul 17, 2036

Licensee
Casey J Witt

Address
Attn: Casey James Witt
325 Grape St
Hudson, CO 80642
40.0699, -104.6489 (street) · Grid DN70qb · CQ 4 · ITU 7 · map ↗

FRN
0035570076

Previous call
K0WIB

Last granted
Jul 17, 2026

Effective
Jul 21, 2026

Last action
Jul 21, 2026
FCC actions (3)
- Jul 21, 2026 — Administrative update LIAUA
- Jul 17, 2026 — Vanity call sign granted VANGRT
- Jul 17, 2026 — License issued LIISS
K0WIB Canceled Technician · vanity Jun 16, 2026 → Jul 17, 2026 (canceled)

Licensee
Casey J Witt

Address
Attn: Casey James Witt
325 Grape St
Hudson, CO 80642
40.0699, -104.6489 (street) · Grid DN70qb · CQ 4 · ITU 7 · map ↗

FRN
0035570076

Previous call
K0BUM

Last granted
Jun 16, 2026

Effective
Jul 3, 2026

Last action
Jul 17, 2026
FCC actions (4)
- Jul 17, 2026 — License canceled LICAN
- Jul 3, 2026 — Administrative update LIAUA
- Jun 16, 2026 — Vanity call sign granted VANGRT
- Jun 16, 2026 — License issued LIISS
K0BUM Canceled Technician · vanity May 27, 2026 → Jun 16, 2026 (canceled)

Licensee
Casey J Witt

Address
Attn: Casey James Witt
325 Grape St
Hudson, CO 80642
40.0699, -104.6489 (street) · Grid DN70qb · CQ 4 · ITU 7 · map ↗

FRN
0035570076

Previous call
N3XYZ

Last granted
May 27, 2026

Effective
Jun 2, 2026

Last action
Jun 16, 2026
FCC actions (4)
- Jun 16, 2026 — License canceled LICAN
- Jun 2, 2026 — Administrative update LIAUA
- May 27, 2026 — Vanity call sign granted VANGRT
- May 27, 2026 — License issued LIISS
N3XYZ Canceled Technician · vanity Dec 9, 2025 → May 27, 2026 (canceled)

Licensee
Casey J Witt

Address
Attn: Casey James Witt
325 Grape St
Hudson, CO 80642
40.0699, -104.6489 (street) · Grid DN70qb · CQ 4 · ITU 7 · map ↗

FRN
0035570076

Previous call
W0URC

Last granted
Dec 9, 2025

Effective
Dec 30, 2025

Last action
May 27, 2026
FCC actions (5)
- May 27, 2026 — License canceled LICAN
- Dec 30, 2025 — Administrative update LIAUA
- Dec 16, 2025 — Administrative update LIAUA
- Dec 9, 2025 — Vanity call sign granted VANGRT
- Dec 9, 2025 — License issued LIISS
📦 Moved: Spearfish, SD → Hudson, CO

W0URC Canceled Technician · vanity Sep 20, 2025 → Dec 9, 2025 (canceled)

Licensee
Casey J Witt

Address
Attn: Casey James Witt
325 Grape St
Hudson, CO 80642
40.0699, -104.6489 (street) · Grid DN70qb · CQ 4 · ITU 7 · map ↗

FRN
0035570076

Previous call
K8CJW

Last granted
Sep 20, 2025

Effective
Nov 26, 2025

Last action
Dec 9, 2025
FCC actions (5)
- Dec 9, 2025 — License canceled LICAN
- Nov 26, 2025 — Administrative update LIAUA
- Sep 27, 2025 — Administrative update LIAUA
- Sep 20, 2025 — Vanity call sign granted VANGRT
- Sep 20, 2025 — License issued LIISS
📦 Moved: Hastings, NE → Spearfish, SD

K8CJW Canceled Technician · vanity May 31, 2025 → Sep 20, 2025 (canceled)

Licensee
Casey J Witt

Address
Attn: Casey James Witt
41 W Highway 14 Unit 3683
Spearfish, SD 57783
44.4563, -103.9253 (ZIP center) · Grid DN84ak · CQ 4 · ITU 7 · map ↗

FRN
0035570076

Previous call
W8ITT

Last granted
May 31, 2025

Effective
Sep 12, 2025

Last action
Sep 20, 2025
FCC actions (6)
- Sep 20, 2025 — License canceled LICAN
- Sep 12, 2025 — Administrative update LIAUA
- Sep 12, 2025 — Administrative update LIAUA
- Sep 3, 2025 — Administrative update LIAUA
- May 31, 2025 — Vanity call sign granted VANGRT
- May 31, 2025 — License issued LIISS
📦 Moved: Castle Rock, CO → Hastings, NE

W8ITT Canceled Technician · vanity Jul 9, 2024 → May 31, 2025 (canceled)

Licensee
Casey J Witt

Address
Attn: Casey James Witt
1350 N Minnesota Ave
Hastings, NE 68901
40.5909, -98.3661 (ZIP center) · Grid EN00to · CQ 4 · ITU 7 · map ↗

FRN
0035570076

Previous call
K0PTA

Last granted
Jul 9, 2024

Effective
May 14, 2025

Last action
May 31, 2025
FCC actions (9)
- May 31, 2025 — License canceled LICAN
- May 14, 2025 — Administrative update LIAUA
- May 13, 2025 — Administrative update LIAUA
- Aug 6, 2024 — Administrative update LIAUA
- Aug 6, 2024 — Administrative update LIAUA
- Aug 6, 2024 — Administrative update LIAUA
- Aug 3, 2024 — Administrative update LIAUA
- Jul 9, 2024 — Vanity call sign granted VANGRT
- Jul 9, 2024 — License issued LIISS
K0PTA Canceled Technician · vanity Dec 2, 2023 → Jul 9, 2024 (canceled)

Licensee
Casey J Witt

Address
549 Garden Sage Ct
Castle Rock, CO 80104
39.3021, -104.8197 (ZIP center) · Grid DM79oh · CQ 4 · ITU 7 · map ↗

FRN
0035570076

Previous call
KF0NNL

Last granted
Dec 2, 2023

Effective
Jun 12, 2024

Last action
Jul 9, 2024
FCC actions (9)
- Jul 9, 2024 — License canceled LICAN
- Jun 12, 2024 — Administrative update LIAUA
- Jun 8, 2024 — Administrative update LIAUA
- Jun 7, 2024 — Administrative update LIAUA
- Apr 9, 2024 — Administrative update LIAUA
- Mar 5, 2024 — Administrative update LIAUA
- Jan 3, 2024 — Administrative update LIAUA
- Dec 2, 2023 — Vanity call sign granted VANGRT
- Dec 2, 2023 — License issued LIISS

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 · 10 snapshots · as W0URC
Casey J Witt
Attn: Casey James Witt
325 Grape St, Hudson, CO 80642
40.0699, -104.6489 (street) · Grid DN70qb · CQ 4 · ITU 7 · map ↗
Seen Sep 25, 2025 → Oct 4, 2026 · 3 snapshots · as K8CJW
Casey J Witt
Attn: Casey James Witt
41 W Highway 14 Unit 3683, Spearfish, SD 57783
44.4563, -103.9253 (ZIP center) · Grid DN84ak · CQ 4 · ITU 7 · map ↗
Seen May 29, 2025 → Oct 4, 2026 · 5 snapshots · as W8ITT
Casey J Witt
Attn: Casey James Witt
1350 N Minnesota Ave, Hastings, NE 68901
40.5909, -98.3661 (ZIP center) · Grid EN00to · CQ 4 · ITU 7 · map ↗
Seen Jul 1, 2024 → Oct 4, 2026 · 11 snapshots · as K0PTA
Casey J Witt
549 Garden Sage Ct, Castle Rock, CO 80104
39.3021, -104.8197 (ZIP center) · Grid DM79oh · CQ 4 · ITU 7 · map ↗
Seen Sep 27, 2024 → Apr 25, 2025 · 6 snapshots · as W8ITT
Casey J Witt
Attn: Casey James Witt
2650 Erfert St, LONGMONT, CO 80504
40.1656, -105.0292 (ZIP center) · Grid DN70ld · CQ 4 · ITU 7 · map ↗
Seen Apr 27, 2024 · 1 snapshot · as K0PTA
Casey L Coomes
Attn: Casey Coomes
549 Garden Sage Ct, Castle Rock, CO 80104
39.3021, -104.8197 (ZIP center) · Grid DM79oh · CQ 4 · ITU 7 · map ↗

Previous holder: BRYAN D ROSSEL

Held K0BUM Jul 30, 2013 → Jul 30, 2023 · first licensed Oct 26, 2012 as KD0TME · 2 licenses · FRN 0022142418

K0BUM Expired Technician · vanity Jul 30, 2013 → Jul 30, 2023 (expired)

Licensee
BRYAN D ROSSEL

Address
7895 W 119TH PL
BROOMFIELD, CO 80020
39.9308, -105.0743 (ZIP center) · Grid DM79lw · CQ 4 · ITU 7 · map ↗

FRN
0022142418

Previous call
KD0TME

Last granted
Jul 30, 2013

Effective
Jul 30, 2013

Last action
Jul 31, 2025
FCC actions (3)
- Jul 31, 2025 — License expired LIEXP
- Jul 30, 2013 — Vanity call sign granted VANGRT
- Jul 30, 2013 — License issued LIISS
KD0TME Canceled Technician Oct 26, 2012 → Jul 30, 2013 (canceled)

Licensee
BRYAN D ROSSEL

Address
7895 W 119TH PL
BROOMFIELD, CO 80020
39.9308, -105.0743 (ZIP center) · Grid DM79lw · CQ 4 · ITU 7 · map ↗

FRN
0022142418

Last granted
Oct 26, 2012

Effective
Oct 26, 2012

Last action
Jul 30, 2013
FCC actions (3)
- Jul 30, 2013 — License canceled LICAN
- Oct 26, 2012 — License issued LIISS
- Oct 26, 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 → Oct 4, 2026 · 81 snapshots · as KD0TME
BRYAN D ROSSEL
7895 W 119TH PL, BROOMFIELD, CO 80020
39.9308, -105.0743 (ZIP center) · Grid DM79lw · CQ 4 · ITU 7 · map ↗

Others requesting K0BUM

6 applications listed K0BUM as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
May 8, 2026	May 26, 2026	N3XYZ · Casey J Witt · Hudson, CO	1	Granted
Dec 1, 2025	Dec 19, 2025	KR4HVP · Christopher Murray · CHARLOTTE, NC	3	Granted
Sep 10, 2024	Sep 28, 2024	KQ4VFN · WILLIAM ARMSTRONG · SPARTA, KY	4	Granted
Jul 24, 2013	Aug 11, 2013	KD0WFS · Matthew Sivigliano · Denver, CO	2	Granted
Jul 11, 2013	Jul 29, 2013	KD0TME · BRYAN D ROSSEL · BROOMFIELD, CO	2	Granted
Mar 3, 2005	Mar 21, 2005	KG6FSL · Thomas L Kopriva · Salinas, CA	4	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for K0BUM in the last 24 hours. They show up here within seconds of K0BUM beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.