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

K6OOF HAM

✅ Available for a vanity request — free since May 12, 2023.

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 · 1 holder on record · available since May 12, 2023

Previous holder: Tuan Anh Nguyen

Held K6OOF Mar 9, 2021 → May 11, 2021 · first licensed Feb 16, 2021 as KN6NKU · 3 licenses · FRN 0030547210

📦 Moved: Rancho Cucamonga, CA → Westminster, CA

K6BCB Active General · vanity May 11, 2021 → expires May 11, 2031

Licensee
Tuan Anh Nguyen

Address
Attn: Tuan Anh Nguyen
8791 Palos Verdes Ave
Westminster, CA 92683
33.7343, -117.9757 (street) · Grid DM13ar · CQ 3 · ITU 6 · map ↗

FRN
0030547210

Previous call
K6OOF (Technician)

Last granted
May 11, 2021

Effective
Jun 27, 2023

Last action
Jun 27, 2023
FCC actions (4)
- Jun 27, 2023 — Administrative update LIAUA
- Feb 4, 2022 — Administrative update LIAUA
- May 11, 2021 — Vanity call sign granted VANGRT
- May 11, 2021 — License issued LIISS
📦 Moved: Rch Cucamonga, CA → Rancho Cucamonga, CA

K6OOF Canceled General · vanity Mar 9, 2021 → May 11, 2021 (canceled)

Licensee
Tuan Anh Nguyen

Address
7951 Etiwanda Ave, APT 18102
Rancho Cucamonga, CA 91739-6737
34.1564, -117.5169 (ZIP center) · Grid DM14fd · CQ 3 · ITU 6 · map ↗

FRN
0030547210

Previous call
KN6NKU (Technician)

Last granted
Mar 9, 2021

Effective
May 11, 2021

Last action
May 11, 2021
FCC actions (5)
- May 11, 2021 — License canceled LICAN
- May 11, 2021 — License modified LIMOD
- Mar 11, 2021 — Administrative update LIAUA
- Mar 9, 2021 — Vanity call sign granted VANGRT
- Mar 9, 2021 — License issued LIISS
KN6NKU Canceled Technician Feb 16, 2021 → Mar 9, 2021 (canceled)

Licensee
Tuan Anh Nguyen

Address
7951 ETIWANDA AVE APT 18102
RCH CUCAMONGA, CA 91739-6737
34.1564, -117.5169 (ZIP center) · Grid DM14fd · CQ 3 · ITU 6 · map ↗

FRN
0030547210

Last granted
Feb 16, 2021

Effective
Feb 16, 2021

Last action
Mar 9, 2021
FCC actions (3)
- Mar 9, 2021 — License canceled LICAN
- Feb 16, 2021 — License issued LIISS
- Feb 16, 2021 — 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 Apr 27, 2024 → Oct 4, 2026 · 12 snapshots · as K6BCB
Tuan Anh Nguyen
Attn: Tuan Anh Nguyen
8791 Palos Verdes Ave, Westminster, CA 92683
33.7343, -117.9757 (street) · Grid DM13ar · CQ 3 · ITU 6 · map ↗
Seen Apr 16, 2022 → Oct 4, 2026 · 13 snapshots · as KN6NKU
Tuan Anh Nguyen
7951 ETIWANDA AVE APT 18102, RCH CUCAMONGA, CA 91739-6737
34.1564, -117.5169 (ZIP center) · Grid DM14fd · CQ 3 · ITU 6 · map ↗
Seen Apr 16, 2022 → Oct 4, 2026 · 13 snapshots · as K6OOF
Tuan Anh Nguyen
7951 Etiwanda Ave, APT 18102, Rancho Cucamonga, CA 91739-6737
34.1564, -117.5169 (ZIP center) · Grid DM14fd · CQ 3 · ITU 6 · map ↗
Seen Apr 16, 2022 · 1 snapshot · as K6BCB
Tuan Anh Nguyen
Attn: Tuan Anh Nguyen
5001 W 1st St, Santa Ana, CA 92703
33.7485, -117.9062 (ZIP center) · Grid DM13br · CQ 3 · ITU 6 · map ↗

Others requesting K6OOF

2 applications listed K6OOF as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Jan 28, 2026	Feb 15, 2026	KO6MDP · Kevin R Hayes · San Francisco, CA	2	Granted
Feb 17, 2021	Mar 7, 2021	KN6NKU · Tuan Anh Nguyen · Rancho Cucamonga, CA	1	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for K6OOF in the last 24 hours. They show up here within seconds of K6OOF beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.