N9TPB FCC License Search

🕒 FCC license data updated yesterday 9:45 am CDT · next update today 7:15 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

N6COB HAM

✅ Available for a vanity request — free since Jul 16, 2024.

1x3 call: Technician, General, Advanced and Amateur Extra licensees can request it. No pending applications list it.

📬 QSL: LoTW user · last upload Jul 13, 2019 · not eQSL AG · QRZ · HamQTH

Not currently held · 2 holders on record · available since Jul 16, 2024

Previous holder: Christopher E OBrien

Held N6COB Oct 5, 2018 → Jul 15, 2022 · first licensed Jul 15, 1994 as K6BVZ · 6 licenses · FRN 0027699123

K6RTA Active Amateur Extra · vanity Jul 28, 2026 → expires Jul 28, 2036

Licensee
Christopher E OBrien

Address
Attn: Chris OBrien
4251 Baldwin Avenue, Apt B
Culver City, CA 90232
34.0147, -118.3927 (street) · Grid DM04ta · CQ 3 · ITU 6 · map ↗

FRN
0027699123

Previous call
KI6RK (General)

Last granted
Jul 28, 2026

Effective
Jul 28, 2026

Last action
Jul 28, 2026
FCC actions (2)
- Jul 28, 2026 — Vanity call sign granted VANGRT
- Jul 28, 2026 — License issued LIISS
KI6RK Canceled Amateur Extra · vanity Jul 15, 2022 → Jul 28, 2026 (canceled)

Licensee
Christopher E OBrien

Address
Attn: Chris OBrien
4251 Baldwin Avenue, Apt B
Culver City, CA 90232
34.0147, -118.3927 (street) · Grid DM04ta · CQ 3 · ITU 6 · map ↗

FRN
0027699123

Previous call
N6COB (General)

Last granted
Jul 15, 2022

Effective
Nov 4, 2023

Last action
Jul 28, 2026
FCC actions (5)
- Jul 28, 2026 — License canceled LICAN
- Nov 4, 2023 — Administrative update LIAUA
- Oct 18, 2022 — Administrative update LIAUA
- Jul 15, 2022 — Vanity call sign granted VANGRT
- Jul 15, 2022 — License issued LIISS
N6COB Canceled Amateur Extra · vanity Oct 5, 2018 → Jul 15, 2022 (canceled)

Licensee
Christopher E OBrien

Address
4251 Baldwin Ave Apt B
Culver City, CA 90232
34.0193, -118.3919 (ZIP center) · Grid DM04ta · CQ 3 · ITU 6 · map ↗

FRN
0027699123

Previous call
K6BVZ (General)

Last granted
Oct 5, 2018

Effective
Aug 1, 2019

Last action
Jul 15, 2022
FCC actions (4)
- Jul 15, 2022 — License canceled LICAN
- Aug 1, 2019 — License modified LIMOD
- Oct 5, 2018 — Vanity call sign granted VANGRT
- Oct 5, 2018 — License issued LIISS
K6BVZ Canceled General · vanity Aug 7, 2018 → Oct 5, 2018 (canceled)

Licensee
Christopher E OBrien

Address
4251 Baldwin Ave Apt B
Culver City, CA 90232
34.0193, -118.3919 (ZIP center) · Grid DM04ta · CQ 3 · ITU 6 · map ↗

FRN
0027699123

Previous call
KM6UQQ (Technician)

Last granted
Aug 7, 2018

Effective
Aug 29, 2018

Last action
Oct 5, 2018
FCC actions (4)
- Oct 5, 2018 — License canceled LICAN
- Aug 29, 2018 — License modified LIMOD
- Aug 7, 2018 — Vanity call sign granted VANGRT
- Aug 7, 2018 — License issued LIISS
📦 Moved: Prescott Valley, AZ → Culver City, CA

KM6UQQ Canceled Technician Jul 19, 2018 → Aug 7, 2018 (canceled)

Licensee
Christopher E OBrien

Address
4251 Baldwin Ave
Culver City, CA 90232
34.0147, -118.3927 (street) · Grid DM04ta · CQ 3 · ITU 6 · map ↗

FRN
0027699123

Last granted
Jul 19, 2018

Effective
Jul 19, 2018

Last action
Aug 7, 2018
FCC actions (3)
- Aug 7, 2018 — License canceled LICAN
- Jul 19, 2018 — License issued LIISS
- Jul 19, 2018 — Systematic call sign granted SYSGRT
K6BVZ Expired Amateur Extra Jul 15, 1994 → Sep 14, 2003 (expired)

Licensee
WARD C W SCOTT

Address
3913 N VALORIE DR
PRESCOTT VALLEY, AZ 86314
34.5983, -112.3307 (ZIP center) · Grid DM34uo · CQ 3 · ITU 6 · map ↗

FRN
0027699123

Last granted
Jul 15, 1994

Effective
Jul 15, 1994

Last action
Aug 7, 2018
FCC actions (1)
- Jan 4, 2006 — License expired LIEXP

Address history

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

Seen Apr 27, 2024 → Oct 4, 2026 · 14 snapshots · as KI6RK
Christopher E OBrien
Attn: Chris OBrien
4251 Baldwin Avenue, Apt B, Culver City, CA 90232
34.0147, -118.3927 (street) · Grid DM04ta · CQ 3 · ITU 6 · map ↗
Seen Sep 3, 2018 → Oct 4, 2026 · 16 snapshots · as KM6UQQ
Christopher E OBrien
4251 Baldwin Ave, Culver City, CA 90232
34.0147, -118.3927 (street) · Grid DM04ta · CQ 3 · ITU 6 · map ↗
Seen Sep 3, 2018 → Oct 4, 2026 · 31 snapshots · as K6BVZ
Christopher E OBrien
4251 Baldwin Ave Apt B, Culver City, CA 90232
34.0193, -118.3919 (ZIP center) · Grid DM04ta · CQ 3 · ITU 6 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as K6BVZ
WARD C W SCOTT
3913 N VALORIE DR, PRESCOTT VALLEY, AZ 86314
34.5983, -112.3307 (ZIP center) · Grid DM34uo · CQ 3 · ITU 6 · map ↗

Previous holder: MARVIN G MARTIN

Held N6COB May 8, 1996 → May 8, 2006 · first licensed May 8, 1996 as N6COB · 1 license · no FRN on file (pre-2001 records)

N6COB Expired Advanced May 8, 1996 → May 8, 2006 (expired)

Licensee
MARVIN G MARTIN

Address
PO Box 393
PAULDEN, AZ 86334
34.9480, -112.5396 (ZIP center) · Grid DM34rw · CQ 3 · ITU 6 · map ↗

Last granted
May 8, 1996

Effective
May 8, 1996

Last action
May 9, 2008
FCC actions (1)
- May 9, 2008 — 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 N6COB
MARVIN G MARTIN
PO Box 393
PAULDEN, AZ 86334
34.9480, -112.5396 (ZIP center) · Grid DM34rw · CQ 3 · ITU 6 · map ↗

Others requesting N6COB

2 applications listed N6COB as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Sep 17, 2018	Oct 5, 2018	K6BVZ · Christopher E OBrien · Culver City, CA	1	Granted
Sep 10, 2009	Sep 28, 2009	KJ6CCG · Charles C O'Banion · Vacaville, CA	3	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for N6COB in the last 24 hours. They show up here within seconds of N6COB beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.