N9TPB FCC License Search

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

KO6OB HAM

✅ Available for a vanity request — free since May 18, 2025.

2x2 call: 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 18, 2025

Previous holder: CHARLES Y CHOI

Held KO6OB May 17, 2003 → May 17, 2023 · first licensed May 17, 2003 as KO6OB · 1 license · FRN 0008962896

KO6OB Expired Advanced May 17, 2003 → May 17, 2023 (expired)

Licensee
CHARLES Y CHOI

Address
Attn: Charles Choi
21207 S. Avalon Blvd. #199
Carson, CA 90745
33.8203, -118.2641 (ZIP center) · Grid DM03ut · CQ 3 · ITU 6 · map ↗

FRN
0008962896

Last granted
Apr 2, 2013

Effective
Apr 2, 2013

Last action
May 20, 2025
FCC actions (4)
- May 20, 2025 — License expired LIEXP
- Apr 2, 2013 — License renewed LIREN
- May 20, 2003 — License modified LIMOD
- May 17, 2003 — License renewed LIREN

Address history

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

Seen Apr 12, 2013 → Oct 4, 2026 · 40 snapshots · as KO6OB
CHARLES Y CHOI
Attn: Charles Choi
21207 S. Avalon Blvd. #199, Carson, CA 90745
33.8203, -118.2641 (ZIP center) · Grid DM03ut · CQ 3 · ITU 6 · map ↗
Seen Nov 7, 2004 → Apr 6, 2013 · 8 snapshots · as KO6OB
CHARLES Y CHOI
13703 Lemoli Ave #D, Hawthorne, CA 90250
33.9137, -118.3509 (ZIP center) · Grid DM03tv · CQ 3 · ITU 6 · map ↗

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KO6OB in the last 24 hours. They show up here within seconds of KO6OB beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.