N9TPB FCC License Search

🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 12, 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 · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)

ISTVAN KOLCSEY

FRN 0006950877 · first licensed Apr 23, 2002 as AA0EY · 4 licenses on record

📝 FCC Applications (7)

Received	File number	Service	Purpose	Status	Call
Jan 7, 2026	0011857963	HAM	Administrative update	Granted	AH0DU
Dec 15, 2025	0011831088	HAM	Modification	Granted	AH0DA
Dec 11, 2025	0011825982	HAM	New license	Granted	AH0DA
Jun 7, 2012	0005253541	HAM	Modification	Granted	N9DU
Jun 4, 2012	0005248243	HAM	Renewal	Granted	N9DU
Apr 29, 2002	0000868002	HAM	Modification	Granted	AA0EY
Apr 23, 2002	0000861460	HAM	Renewal + modification	Granted	AA0EY

Complete Licensing History

AH0DU Active Amateur Extra · vanity Jan 3, 2026 → expires Jan 3, 2036

Licensee
ISTVAN KOLCSEY

Address
PO Box 10001
PMB 471
SAIPAN, MP 96950-8901
15.1869, 145.7544 (ZIP center) · Grid QK25ve · CQ 27 · ITU 64 · map ↗

FRN
0006950877

Previous call
AH0DA

Last granted
Jan 3, 2026

Effective
Jan 7, 2026

Last action
Jan 7, 2026
FCC actions (3)
- Jan 7, 2026 — Administrative update LIAUA
- Jan 3, 2026 — Vanity call sign granted VANGRT
- Jan 3, 2026 — License issued LIISS
📦 Moved: Neenah, WI → Saipan, MP

AH0DA Canceled Amateur Extra Dec 12, 2025 → Jan 3, 2026 (canceled)

Licensee
ISTVAN KOLCSEY

Address
PO Box 10001471
SAIPAN, MP 96950-8901
15.1869, 145.7544 (ZIP center) · Grid QK25ve · CQ 27 · ITU 64 · map ↗

FRN
0006950877

Last granted
Dec 12, 2025

Effective
Dec 12, 2025

Last action
Jan 3, 2026
FCC actions (3)
- Jan 3, 2026 — License canceled LICAN
- Dec 12, 2025 — License issued LIISS
- Dec 12, 2025 — Systematic call sign granted SYSGRT
N9DU Expired Amateur Extra · vanity May 17, 2002 → May 17, 2022 (expired)

Licensee
ISTVAN KOLCSEY

Address
1615 OAKRIDGE RD
NEENAH, WI 54956
44.1851, -88.5022 (street) · Grid EN54re · CQ 4 · ITU 8 · map ↗

FRN
0006950877

Previous call
AA0EY

Last granted
Jun 6, 2012

Effective
Jun 7, 2012

Last action
May 18, 2024
FCC actions (5)
- May 18, 2024 — License expired LIEXP
- Jun 7, 2012 — License modified LIMOD
- Jun 6, 2012 — License renewed LIREN
- May 17, 2002 — Vanity call sign granted VANGRT
- May 17, 2002 — License issued LIISS
AA0EY Canceled Amateur Extra Apr 23, 2002 → May 17, 2002 (canceled)

Licensee
ISTVAN BOGYO

Address
1615 OAKRIDGE RD
NEENAH, WI 54956
44.1851, -88.5022 (street) · Grid EN54re · CQ 4 · ITU 8 · map ↗

FRN
0006950877

Last granted
Apr 23, 2002

Effective
Apr 23, 2002

Last action
May 17, 2002
FCC actions (2)
- May 17, 2002 — License canceled LICAN
- Apr 23, 2002 — License renewed LIREN

Address history

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

Seen Sep 27, 2026 → Oct 11, 2026 · 3 snapshots · as AH0DA
ISTVAN KOLCSEY
PO Box 10001471
SAIPAN, MP 96950-8901
15.1869, 145.7544 (ZIP center) · Grid QK25ve · CQ 27 · ITU 64 · map ↗
Seen Sep 27, 2026 → Oct 11, 2026 · 3 snapshots · as AH0DU
ISTVAN KOLCSEY
PO Box 10001
PMB 471, SAIPAN, MP 96950-8901
15.1869, 145.7544 (ZIP center) · Grid QK25ve · CQ 27 · ITU 64 · map ↗
Seen Jul 26, 2012 → Oct 11, 2026 · 44 snapshots · as N9DU
ISTVAN KOLCSEY
1615 OAKRIDGE RD, NEENAH, WI 54956
44.1851, -88.5022 (street) · Grid EN54re · CQ 4 · ITU 8 · map ↗
Seen Nov 7, 2004 → Oct 11, 2026 · 54 snapshots · as AA0EY
ISTVAN BOGYO
1615 OAKRIDGE RD, NEENAH, WI 54956
44.1851, -88.5022 (street) · Grid EN54re · CQ 4 · ITU 8 · map ↗

Repeaters within 50 Miles

0 repeaters within 50 miles of this ZIP code, most active 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 Dec 15, 2025 Granted Jan 3, 2026 0011831088	AH0DA · ISTVAN KOLCSEY · Amateur Extra PO Box 10001471 · SAIPAN, MP 96950-8901 15.1869, 145.7544 (ZIP center) · Grid QK25ve · CQ 27 · ITU 64 · map ↗	1.AH0DU ✓ Granted 2.KH0DU Available 3.NH0DU Never issued 4.WH0DU Never issued	Granted got AH0DU
Filed Apr 29, 2002 Award date was May 17, 2002 0000868002	AA0EY · ISTVAN BOGYO · Amateur Extra 1615 OAKRIDGE RD, NEENAH, WI 54956 44.1851, -88.5022 (street) · Grid EN54re · CQ 4 · ITU 8 · map ↗	1.N9DU Held by Evan W Vandenlangenberg until Jun 11, 2034 2.N9ZM Held by PAUL A RAYMOND until Aug 27, 2034 3.N9KZ Held by Keith D Zaehringer until Jul 16, 2032 4.N9CZ Held by William J Manton until Apr 11, 2036 5.N9CI Held by Kenneth E Colwell until May 3, 2033 6.N9EY Held by Todd A Riker until Sep 28, 2032	Granted