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

KB0CDO HAM

✅ Available for a vanity request — free since Jan 27, 2026.

2x3 call: any licensee 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 · available since Jan 27, 2026

Previous holder: CLEMENT D OSBORNE

Held KB0CDO Jul 15, 2014 → Jan 26, 2024 · first licensed Jun 26, 2014 as KE0BBU · 3 licenses · FRN 0023726391

WG0LF Active Amateur Extra · vanity Jan 26, 2024 → expires Jan 26, 2034

Licensee
CLEMENT D OSBORNE

Address
3107 HARMONY RD
BERTHOUD, CO 80513
40.2680, -105.1312 (street) · Grid DN70kg · CQ 4 · ITU 7 · map ↗

FRN
0023726391

Previous call
KB0CDO (General)

Last granted
Jan 26, 2024

Effective
Jan 26, 2024

Last action
Jan 26, 2024
FCC actions (2)
- Jan 26, 2024 — Vanity call sign granted VANGRT
- Jan 26, 2024 — License issued LIISS
KB0CDO Canceled Amateur Extra · vanity Jul 15, 2014 → Jan 26, 2024 (canceled)

Licensee
CLEMENT D OSBORNE

Address
3107 HARMONY RD
BERTHOUD, CO 80513
40.2680, -105.1312 (street) · Grid DN70kg · CQ 4 · ITU 7 · map ↗

FRN
0023726391

Previous call
KE0BBU (General)

Last granted
Jul 15, 2014

Effective
Jan 5, 2024

Last action
Jan 26, 2024
FCC actions (5)
- Jan 26, 2024 — License canceled LICAN
- Jan 5, 2024 — License modified LIMOD
- Dec 11, 2023 — License modified LIMOD
- Jul 15, 2014 — Vanity call sign granted VANGRT
- Jul 15, 2014 — License issued LIISS
KE0BBU Canceled Technician Jun 26, 2014 → Jul 15, 2014 (canceled)

Licensee
CLEMENT D OSBORNE

Address
3107 HARMONY RD
BERTHOUD, CO 80513
40.2680, -105.1312 (street) · Grid DN70kg · CQ 4 · ITU 7 · map ↗

FRN
0023726391

Last granted
Jun 26, 2014

Effective
Jun 26, 2014

Last action
Jul 15, 2014
FCC actions (3)
- Jul 15, 2014 — License canceled LICAN
- Jun 26, 2014 — License issued LIISS
- Jun 26, 2014 — 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 Mar 28, 2015 → Oct 4, 2026 · 84 snapshots · as KE0BBU
CLEMENT D OSBORNE
3107 HARMONY RD, BERTHOUD, CO 80513
40.2680, -105.1312 (street) · Grid DN70kg · CQ 4 · ITU 7 · map ↗

Previous holder: CHARLES G WILLIAMSON

Held KB0CDO Jul 19, 1988 → Jul 19, 1998 · first licensed Jul 19, 1988 as KB0CDO · 1 license · no FRN on file (pre-2001 records)

KB0CDO Expired Technician Plus Jul 19, 1988 → Jul 19, 1998 (expired)

Licensee
CHARLES G WILLIAMSON

Address
1716 STONEHILL DR
COLUMBIA, MO 65201
38.9009, -92.2384 (ZIP center) · Grid EM38vv · CQ 4 · ITU 7 · map ↗

Last granted
Jul 19, 1988

Effective
Jul 19, 1988

Last action
Jul 20, 2000
FCC actions (1)
- Jul 20, 2000 — License expired LIEXP

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 KB0CDO
CHARLES G WILLIAMSON
1716 STONEHILL DR, COLUMBIA, MO 65201
38.9009, -92.2384 (ZIP center) · Grid EM38vv · CQ 4 · ITU 7 · map ↗

Others requesting KB0CDO

1 application listed KB0CDO as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Jun 27, 2014	Jul 15, 2014	KE0BBU · CLEMENT D OSBORNE · BERTHOUD, CO	1	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KB0CDO in the last 24 hours. They show up here within seconds of KB0CDO beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.