N9TPB FCC License Search

🕒 FCC license data updated yesterday 6:02 am CDT (FCC files through Oct 2, 2026) · next update today 7:15 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

W4DMX HAM

Technician class licensed since 2004 (22 yrs) W4DMX since 2016 · previously KI4HXZ Winston Salem, NC

🔒 Not available — currently licensed, through Dec 2, 2026. If it isn't renewed, it opens for vanity requests Dec 3, 2028.

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

📝 W4DMX has filed vanity applications before — latest filed Nov 14, 2016 · what was requested

Currently held by MATTHEW R HARRISON · 2 holders on record

Current holder: MATTHEW R HARRISON

Held W4DMX Dec 2, 2016 → present · first licensed Dec 7, 2004 as KI4HXZ · 2 licenses · FRN 0012260097

W4DMX Active Technician · vanity Dec 2, 2016 → expires Dec 2, 2026

Licensee
MATTHEW R HARRISON

Address
Attn: Matt Harrison
PO Box 30284
WINSTON SALEM, NC 27130

FRN
0012260097

Previous call
KI4HXZ

Last granted
Dec 2, 2016

Effective
Feb 1, 2019

Last action
Feb 1, 2019
FCC actions (3)
- Feb 1, 2019 — Administrative update LIAUA
- Dec 2, 2016 — Vanity call sign granted VANGRT
- Dec 2, 2016 — License issued LIISS
KI4HXZ Canceled Technician Dec 7, 2004 → Dec 2, 2016 (canceled)

Licensee
MATTHEW R HARRISON

Address
140 ENDSLEY AVE
WINSTON SALEM, NC 27106
36.1439, -80.3232 (ZIP center) · Grid EM96ud · CQ 5 · ITU 8 · map ↗

FRN
0012260097

Last granted
Dec 3, 2014

Effective
Dec 3, 2014

Last action
Dec 2, 2016
FCC actions (4)
- Dec 2, 2016 — License canceled LICAN
- Dec 3, 2014 — License renewed LIREN
- Dec 7, 2004 — License issued LIISS
- Dec 7, 2004 — 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 6, 2019 → Sep 27, 2026 · 13 snapshots · as W4DMX
MATTHEW R HARRISON
Attn: Matt Harrison
PO Box 30284
WINSTON SALEM, NC 27130
Seen May 27, 2010 → Sep 27, 2026 · 56 snapshots · as KI4HXZ
MATTHEW R HARRISON
140 ENDSLEY AVE, WINSTON SALEM, NC 27106
36.1439, -80.3232 (ZIP center) · Grid EM96ud · CQ 5 · ITU 8 · map ↗

Previous holder: HERBERT G EIDSON JR

Held W4DMX Jul 31, 1995 → Jul 31, 2005 · first licensed Jul 31, 1995 as W4DMX · 1 license · no FRN on file (pre-2001 records)

W4DMX Expired Advanced Jul 31, 1995 → Jul 31, 2005 (expired)

Licensee
HERBERT G EIDSON JR

Address
1231 WEDGEWOOD DR
WINSTON SALEM, NC 27103-4211
36.0582, -80.3215 (ZIP center) · Grid EM96ub · CQ 5 · ITU 8 · map ↗

Last granted
Jul 31, 1995

Effective
Jul 31, 1995

Last action
Aug 1, 2007
FCC actions (1)
- Aug 1, 2007 — License expired LIEXP

Address history

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

Seen Nov 7, 2004 → Sep 27, 2026 · 47 snapshots · as W4DMX
HERBERT G EIDSON JR
1231 WEDGEWOOD DR, WINSTON SALEM, NC 27103-4211
36.0582, -80.3215 (ZIP center) · Grid EM96ub · CQ 5 · ITU 8 · map ↗

Vanity applications filed by W4DMX

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 Nov 14, 2016 Granted Dec 2, 2016 0007551803	KI4HXZ · MATTHEW R HARRISON · Technician 140 ENDSLEY AVE, WINSTON SALEM, NC 27106 36.1439, -80.3232 (ZIP center) · Grid EM96ud · CQ 5 · ITU 8 · map ↗	1.W4DMX ✓ granted 2.W4EOF	Granted got W4DMX

Others requesting W4DMX

2 applications listed W4DMX as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Nov 14, 2016	Dec 2, 2016	KI4HXZ · MATTHEW R HARRISON · WINSTON SALEM, NC	1	Granted
Oct 5, 2015	Oct 23, 2015	KW4MX · Jeffrey S Krenz · Covington, GA	4	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for W4DMX in the last 24 hours. They show up here within seconds of W4DMX beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.