CFCallsignFinder

Search Watchlist

Track FCC amateur radio vanity callsign availability. Data updated daily.

Legal & Info

Pricing FAQ Terms of Service Privacy Policy

© 2026 CallsignFinder. All rights reserved.

FCC data sourced from FCC Universal Licensing System. Not affiliated with the FCC.

Watchlist Search Account

Home/Search/K4DMJ

← Back to results

K4DMJ

Active1x3District 4

Competitive callsign — 5 applications filed with the FCC.

License HolderMATTHEWS JR, DAVID

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationOak Island, NC

Grant DateAug 12, 2020

Expiration DateOct 19, 2030

K4DMJ is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by MATTHEWS JR, DAVID in Oak Island, NC. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by MATTHEWS JR, DAVID on Sep 29, 2010. K4DMJ has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

-.- ....- -.. -- .---

CW Weight: 35 units(Moderate)

Voice Phonetics

Kilo Four Delta Mike Juliet

Readability: 8/10(High readability)

License History

License RenewedAug 12, 2020
License IssuedOct 19, 2010
Vanity Callsign GrantedOct 19, 2010

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

MATTHEWS JR, DAVIDFiled Sep 29, 2010
Not awardedFCC ↗
BELCHER, TABITHA CFiled Dec 13, 1999
Not awardedFCC ↗
JOHNSTON, DAVID MFiled Dec 13, 1999
Not awardedFCC ↗
HINMAN, ALVIN RFiled Nov 17, 1999

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← K4DMI K4DMK →

FCC data as of Sep 3, 2026

Dismissed

JOHNSTON, DAVID MFiled Nov 17, 1999

DismissedFCC ↗

K4DMJ FCC Vanity Status: 5 Competing Applications & History