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

KV4XX HAM

✅ Available for a vanity request — free since May 25, 2016.

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 May 25, 2016

Previous holder: Trevor S White

Held KV4XX May 6, 2014 → May 24, 2014 · first licensed May 6, 2014 as KV4XX · 3 licenses · FRN 0023484181

📦 Moved: Boulder, CO → Lyons, CO

AD0Q Active Amateur Extra · vanity Mar 7, 2020 → expires Mar 7, 2030

Licensee
Trevor S White

Address
278 Taylor Rd.
Lyons, CO 80540
40.1911, -105.4880 (street) · Grid DN70ge · CQ 4 · ITU 7 · map ↗

FRN
0023484181

Previous call
NA4WX

Last granted
Mar 7, 2020

Effective
Oct 23, 2020

Last action
Oct 23, 2020
FCC actions (3)
- Oct 23, 2020 — Administrative update LIAUA
- Mar 7, 2020 — Vanity call sign granted VANGRT
- Mar 7, 2020 — License issued LIISS
📦 Moved: Henrico, VA → Boulder, CO

NA4WX Canceled Amateur Extra · vanity May 24, 2014 → Mar 7, 2020 (canceled)

Licensee
Trevor S White

Address
6590 Finley Pl. #303
Boulder, CO 80301
40.0457, -105.2009 (ZIP center) · Grid DN70jb · CQ 4 · ITU 7 · map ↗

FRN
0023484181

Previous call
KV4XX

Last granted
May 24, 2014

Effective
Mar 16, 2018

Last action
Mar 7, 2020
FCC actions (4)
- Mar 7, 2020 — License canceled LICAN
- Mar 16, 2018 — Administrative update LIAUA
- May 24, 2014 — Vanity call sign granted VANGRT
- May 24, 2014 — License issued LIISS
KV4XX Canceled Amateur Extra May 6, 2014 → May 24, 2014 (canceled)

Licensee
Trevor S White

Address
1600 Pine Shadow Ct
Henrico, VA 23238
37.5925, -77.6417 (ZIP center) · Grid FM17eo · CQ 5 · ITU 8 · map ↗

FRN
0023484181

Last granted
May 6, 2014

Effective
May 6, 2014

Last action
May 24, 2014
FCC actions (3)
- May 24, 2014 — License canceled LICAN
- May 6, 2014 — License issued LIISS
- May 6, 2014 — 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 Apr 16, 2022 → Oct 4, 2026 · 13 snapshots · as AD0Q
Trevor S White
278 Taylor Rd., Lyons, CO 80540
40.1911, -105.4880 (street) · Grid DN70ge · CQ 4 · ITU 7 · map ↗
Seen May 7, 2018 → Oct 4, 2026 · 17 snapshots · as NA4WX
Trevor S White
6590 Finley Pl. #303, Boulder, CO 80301
40.0457, -105.2009 (ZIP center) · Grid DN70jb · CQ 4 · ITU 7 · map ↗
Seen May 22, 2014 → Oct 4, 2026 · 56 snapshots · as KV4XX
Trevor S White
1600 Pine Shadow Ct, Henrico, VA 23238
37.5925, -77.6417 (ZIP center) · Grid FM17eo · CQ 5 · ITU 8 · map ↗

Others requesting KV4XX

1 application listed KV4XX as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Feb 17, 2026	Mar 7, 2026	KZ4ZQ · Larry E Gray · Arab, AL	3	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KV4XX in the last 24 hours. They show up here within seconds of KV4XX beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.