N9TPB FCC License Search

🕒 FCC license data updated today 6:02 am CDT (FCC files through Oct 2, 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

W1NDI HAM

Amateur Extra class licensed since 2005 (21 yrs) W1NDI since 2015 · previously KF4CML Chesterfield, MO

🔒 Not available — currently licensed, through Jul 24, 2035. If it isn't renewed, it opens for vanity requests Jul 25, 2037.

📬 QSL: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH

📝 W1NDI has filed vanity applications before — latest filed Jul 6, 2015 · what was requested

Currently held by JAMES G KALKOFEN · 1 holder on record

Current holder: JAMES G KALKOFEN

Held W1NDI Jul 24, 2015 → present · first licensed Aug 3, 2005 as KF4CML · 2 licenses · FRN 0013841747

📦 Moved: Manchester, MO → Chesterfield, MO

W1NDI Active Amateur Extra · vanity Jul 24, 2015 → expires Jul 24, 2035

Licensee
JAMES G KALKOFEN

Address
PO BOX 6635
CHESTERFIELD, MO 63006-6635

FRN
0013841747

Previous call
KF4CML (General)

Last granted
Jun 14, 2025

Effective
Jun 14, 2025

Last action
Jun 14, 2025
FCC actions (6)
- Jun 14, 2025 — License renewed LIREN
- Jun 8, 2020 — License modified LIMOD
- Jun 12, 2019 — License modified LIMOD
- May 18, 2017 — Administrative update LIAUA
- Jul 24, 2015 — Vanity call sign granted VANGRT
- Jul 24, 2015 — License issued LIISS
KF4CML Canceled Technician Aug 3, 2005 → Jul 24, 2015 (canceled)

Licensee
JAMES G KALKOFEN

Address
PO Box 790
Manchester, MO 63011-1090
38.6052, -90.5577 (ZIP center) · Grid EM48ro · CQ 4 · ITU 7 · map ↗

FRN
0013841747

Last granted
Aug 3, 2005

Effective
Jul 7, 2015

Last action
Jul 24, 2015
FCC actions (4)
- Jul 24, 2015 — License canceled LICAN
- Jul 7, 2015 — Administrative update LIAUA
- Aug 3, 2005 — FCC action LITIN
- Aug 3, 2005 — License renewed LIREN

Address history

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

Seen Apr 16, 2022 → Sep 27, 2026 · 12 snapshots · as W1NDI
JAMES G KALKOFEN
PO BOX 6635, CHESTERFIELD, MO 63006-6635
Seen Aug 2, 2015 → Sep 27, 2026 · 45 snapshots · as KF4CML
JAMES G KALKOFEN
PO Box 790
Manchester, MO 63011-1090
38.6052, -90.5577 (ZIP center) · Grid EM48ro · CQ 4 · ITU 7 · map ↗
Seen Sep 5, 2017 → May 6, 2019 · 7 snapshots · as W1NDI
JAMES G KALKOFEN
PO Box 6635
Town & Country Branch, Chesterfield, MO 63006-6635
Seen May 27, 2010 → Jun 6, 2015 · 14 snapshots · as KF4CML
JAMES G KALKOFEN
PO Box 1593
MARYLAND HEIGHTS, MO 63043-0593
38.7292, -90.4550 (ZIP center) · Grid EM48sr · CQ 4 · ITU 7 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as KF4CML
JAMES G KALKOFEN
714 B CARPENTER PARK, NAS PATUXENT RIVER, MD 20670-1318
38.2848, -76.4077 (ZIP center) · Grid FM18tg · CQ 5 · ITU 8 · map ↗

Vanity applications filed by W1NDI

Calls this licensee has asked the FCC for, newest first, in their order of preference. The FCC processes applications 18 days after filing; "likely award" is our estimate from every pending application in filing order.

Filed · Award	Applicant	Requested (in order)	Status
Filed Jul 6, 2015 Granted Jun 14, 2025 0006862952	KF4CML · JAMES G KALKOFEN · Technician PO Box 790 · Manchester, MO 63011-1090 38.6052, -90.5577 (ZIP center) · Grid EM48ro · CQ 4 · ITU 7 · map ↗	1.W4NDI held 2.W4NDT held 3.W1NDI ✓ granted 4.W1NDT held	Granted got W1NDI

Others requesting W1NDI

2 applications listed W1NDI as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Jul 6, 2015	Jul 24, 2015	KF4CML · JAMES G KALKOFEN · Manchester, MO	3	Granted
Dec 22, 2003	Jan 9, 2004	WA1WZU · ROBERT LOMBARDO · NORTH HAVEN, CT	2	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for W1NDI in the last 24 hours. They show up here within seconds of W1NDI beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.