N9TPB FCC License Search

🕒 FCC license data updated yesterday 9:45 am CDT · 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

KT0XX HAM

✅ Available for a vanity request — free since Feb 28, 2012.

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 Feb 28, 2012

Previous holder: WILLIAM S ROY

Held KT0XX Jun 26, 2009 → Feb 27, 2010 · first licensed Dec 12, 2002 as KD1NL · 3 licenses · FRN 0008075962

📦 Moved: Denver, CO → Waltham, MA

KT0X Active Amateur Extra · vanity Feb 27, 2010 → expires Feb 27, 2030

Licensee
WILLIAM S ROY

Address
Attn: William S Roy
185 Crescent Street Apt 212
Waltham, MA 02453
42.3676, -71.2430 (street) · Grid FN42ji · CQ 5 · ITU 8 · map ↗

FRN
0008075962

Previous call
KT0XX (Advanced)

Last granted
Dec 3, 2019

Effective
Apr 2, 2024

Last action
Apr 2, 2024
FCC actions (7)
- Apr 2, 2024 — Administrative update LIAUA
- Dec 3, 2019 — License renewed LIREN
- May 2, 2012 — Administrative update LIAUA
- May 24, 2010 — FCC action ESUFNR
- May 21, 2010 — FCC action ESUFRN
- Feb 27, 2010 — Vanity call sign granted VANGRT
- Feb 27, 2010 — License issued LIISS
KT0XX Canceled Amateur Extra · vanity Jun 26, 2009 → Feb 27, 2010 (canceled)

Licensee
WILLIAM S ROY

Address
Attn: William S Roy
8995 East 29th Place
Denver, CO 80238
39.7774, -104.8797 (ZIP center) · Grid DM79ns · CQ 4 · ITU 7 · map ↗

FRN
0008075962

Previous call
KD1NL (Advanced)

Last granted
Jun 26, 2009

Effective
Jun 26, 2009

Last action
Feb 27, 2010
FCC actions (3)
- Feb 27, 2010 — License canceled LICAN
- Jun 26, 2009 — Vanity call sign granted VANGRT
- Jun 26, 2009 — License issued LIISS
KD1NL Canceled Amateur Extra Dec 12, 2002 → Jun 26, 2009 (canceled)

Licensee
WILLIAM S ROY

Address
8995 EAST 29TH PLACE
DENVER, CO 80238
39.7774, -104.8797 (ZIP center) · Grid DM79ns · CQ 4 · ITU 7 · map ↗

FRN
0008075962

Previous call
N1KJH (Advanced)

Last granted
Dec 12, 2002

Effective
Jun 23, 2009

Last action
Jun 26, 2009
FCC actions (5)
- Jun 26, 2009 — License canceled LICAN
- Jun 23, 2009 — License modified LIMOD
- Jun 6, 2009 — Administrative update LIAUA
- Dec 12, 2002 — License renewed LIREN
- Dec 12, 2002 — FCC action LITIN

Address history

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

Seen Apr 27, 2024 → Oct 4, 2026 · 12 snapshots · as KT0X
WILLIAM S ROY
Attn: William S Roy
185 Crescent Street Apt 212, Waltham, MA 02453
42.3676, -71.2430 (street) · Grid FN42ji · CQ 5 · ITU 8 · map ↗
Seen May 27, 2010 → Oct 4, 2026 · 97 snapshots · as KD1NL
WILLIAM S ROY
8995 EAST 29TH PLACE, DENVER, CO 80238
39.7774, -104.8797 (ZIP center) · Grid DM79ns · CQ 4 · ITU 7 · map ↗
Seen May 28, 2012 → Apr 16, 2022 · 32 snapshots · as KT0X
WILLIAM S ROY
Attn: William S Roy
7525 E 1ST PL STE 1106, Denver, CO 80230
39.7203, -104.8893 (ZIP center) · Grid DM79nr · CQ 4 · ITU 7 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as KD1NL
WILLIAM S ROY
22 SUMMER DR, LONDONDERRY, NH 03053
42.8686, -71.3872 (ZIP center) · Grid FN42hu · CQ 5 · ITU 8 · map ↗

Others requesting KT0XX

4 applications listed KT0XX as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Jun 9, 2022	Jun 27, 2022	KF0HVE · Mathew A Meyer · Omaha, NE	25	Granted
Jun 22, 2021	Jul 10, 2021	KB0YPH · RAY H PRADA · SAINT LOUIS, MO	10	Granted
Feb 15, 2018	Mar 5, 2018	KE0QCX · Taggart J Solomon · Basalt, CO	1	Dismissed
Jun 8, 2009	Jun 26, 2009	KD1NL · WILLIAM S ROY · Denver, CO	1	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KT0XX in the last 24 hours. They show up here within seconds of KT0XX beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.