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

KAORU TSUDAKA

FRN 0006399281 · first licensed Apr 18, 2000 as KB7OVT · 2 licenses on record

📝 FCC applications (11)

Received	File number	Service	Purpose	Status	Call
Jul 9, 2026	0012107833	HAM	Administrative update	Granted	KA0RU
Jul 8, 2026	0012106131	HAM	Renewal + modification	Granted	KA0RU
Aug 23, 2016	0007407511	HAM	Modification	Granted	KB7OVT
Aug 1, 2016	0007361673	HAM	Modification	Dismissed	KB7OVT
May 25, 2016	0007280530	HAM	Modification	Dismissed	KB7OVT
Feb 10, 2015	0006665124	HAM	Administrative update	Granted	KB7OVT
Mar 21, 2012	0005127818	HAM	Renewal	Granted	KB7OVT
Sep 30, 2011	0004895031	HAM	Administrative update	Granted	KB7OVT
Jun 1, 2005	0002182798	HAM	Administrative update	Granted	KB7OVT
Mar 27, 2002	0000826568	HAM	Renewal	Granted	KB7OVT
Apr 17, 2000	0000110122	HAM	Modification	Granted	KB7OVT

Complete licensing history

KA0RU Active Amateur Extra · vanity Sep 10, 2016 → expires Sep 10, 2036

Licensee
KAORU TSUDAKA

Address
PO Box 22061 GMF
BARRIGADA, GU 96921

FRN
0006399281

Previous call
KB7OVT (Advanced)

Last granted
Jul 9, 2026

Effective
Jul 9, 2026

Last action
Jul 9, 2026
FCC actions (4)
- Jul 9, 2026 — Administrative update LIAUA
- Jul 9, 2026 — License renewed LIREN
- Sep 10, 2016 — Vanity call sign granted VANGRT
- Sep 10, 2016 — License issued LIISS
KB7OVT Canceled Amateur Extra Apr 18, 2000 → Sep 10, 2016 (canceled)

Licensee
KAORU TSUDAKA

Address
PO Box 22061 GMF
BARRIGADA, GU 96921

FRN
0006399281

Last granted
Mar 21, 2012

Effective
Feb 10, 2015

Last action
Sep 10, 2016
FCC actions (7)
- Sep 10, 2016 — License canceled LICAN
- Feb 10, 2015 — Administrative update LIAUA
- Mar 21, 2012 — License renewed LIREN
- Sep 30, 2011 — Administrative update LIAUA
- Jun 1, 2005 — Administrative update LIAUA
- Mar 27, 2002 — License renewed LIREN
- Apr 18, 2000 — License modified LIMOD

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 · 61 snapshots · as KB7OVT
KAORU TSUDAKA
PO Box 22061 GMF
BARRIGADA, GU 96921
Seen Oct 17, 2011 → May 22, 2014 · 10 snapshots · as KB7OVT
KAORU TSUDAKA
28508 48TH AVE S, AUBURN, WA 98001-1118
47.3097, -122.2644 (ZIP center) · Grid CN87uh · CQ 3 · ITU 6 · map ↗
Seen May 27, 2010 · 1 snapshot · as KB7OVT
KAORU TSUDAKA
25821 184TH PL SE, COVINGTON, WA 98042
47.3640, -122.1167 (ZIP center) · Grid CN87wi · CQ 3 · ITU 6 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as KB7OVT
KAORU TSUDAKA
29633 235TH AVE SE, BLACK DIAMOND, WA 98010
47.3156, -121.9989 (ZIP center) · Grid CN97ah · CQ 3 · ITU 6 · map ↗

Vanity applications

Filed · Award	Applicant	Requested (in order)	Status
Filed Aug 23, 2016 Granted Jul 9, 2026 0007407511	KB7OVT · KAORU TSUDAKA · Amateur Extra PO Box 22061 GMF · BARRIGADA, GU 96921	1.KA0RU ✓ granted	Granted got KA0RU
Filed Aug 1, 2016 Award date was Aug 19, 2016 0007361673	KB7OVT · KAORU TSUDAKA · Amateur Extra PO Box 22061 GMF · BARRIGADA, GU 96921	1.KA7RY	Dismissed
Filed May 25, 2016 Award date was Jun 12, 2016 0007280530	KB7OVT · KAORU TSUDAKA · Amateur Extra PO Box 22061 GMF · BARRIGADA, GU 96921	1.KU7F held 2.KU7E held	Dismissed