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

Koetsu Sato

FRN 0017754102 · first licensed May 27, 2008 as AH2DU · 2 licenses on record

📝 FCC applications (3)

Received	File number	Service	Purpose	Status	Call
Apr 5, 2018	0008162622	HAM	Renewal	Granted	AH2Q
May 29, 2008	0003453295	HAM	Modification	Granted	AH2DU
May 27, 2008	0003451510	HAM	New license	Granted	AH2DU

Complete licensing history

📦 Moved: Tumon Bay, GU → Yigo, GU

AH2Q Active Amateur Extra · vanity Jun 17, 2008 → expires Jun 17, 2028

Licensee
Koetsu Sato

Address
Attn: C/o Guam Contest Club
502 Chalan Padiron Haya
Yigo, GU 96929
13.5232, 144.8949 (street) · Grid QK23km · CQ 27 · ITU 64 · map ↗

FRN
0017754102

Previous call
AH2DU

Last granted
Apr 6, 2018

Effective
Apr 6, 2018

Last action
Apr 6, 2018
FCC actions (3)
- Apr 6, 2018 — License renewed LIREN
- Jun 17, 2008 — Vanity call sign granted VANGRT
- Jun 17, 2008 — License issued LIISS
AH2DU Canceled Amateur Extra May 27, 2008 → Jun 17, 2008 (canceled)

Licensee
Koetsu Sato

Address
C/o Guam Contest Club 1433 Pale San Vistores Rd
Tumon Bay, GU 96913
13.4783, 144.8151 (ZIP center) · Grid QK23jl · CQ 27 · ITU 64 · map ↗

FRN
0017754102

Last granted
May 27, 2008

Effective
May 27, 2008

Last action
Jun 17, 2008
FCC actions (3)
- Jun 17, 2008 — License canceled LICAN
- May 27, 2008 — License issued LIISS
- May 27, 2008 — 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 May 7, 2018 → Oct 4, 2026 · 17 snapshots · as AH2Q
Koetsu Sato
Attn: C/o Guam Contest Club
502 Chalan Padiron Haya, Yigo, GU 96929
13.5232, 144.8949 (street) · Grid QK23km · CQ 27 · ITU 64 · map ↗
Seen May 27, 2010 → Oct 4, 2026 · 77 snapshots · as AH2DU
Koetsu Sato
C/o Guam Contest Club 1433 Pale San Vistores Rd, Tumon Bay, GU 96913
13.4783, 144.8151 (ZIP center) · Grid QK23jl · CQ 27 · ITU 64 · map ↗

Repeaters within 50 miles

0 repeaters within 50 miles of this address, closest first · sort: closest · most active · map these & export for a radio →

No repeaters on file within 50 miles.

Vanity applications

Filed · Award	Applicant	Requested (in order)	Status
Filed May 29, 2008 Granted Apr 6, 2018 0003453295	AH2DU · Koetsu Sato · Amateur Extra C/o Guam Contest Club 1433 Pale San Vistores Rd, Tumon Bay, GU 96913 13.4783, 144.8151 (ZIP center) · Grid QK23jl · CQ 27 · ITU 64 · map ↗	1.AH2Q ✓ granted	Granted got AH2Q