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/WD4MDA

← Back to results

WD4MDA

Active2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderSTANG JR, HAROLD

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationJACKSONVILLE, FL

Grant DateSep 6, 2019

Expiration DateDec 4, 2029

WD4MDA is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by STANG JR, HAROLD in JACKSONVILLE, FL. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by STANG JR, HAROLD on Nov 16, 2009. WD4MDA has 8 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 34 units(Moderate)

Voice Phonetics

Whiskey Delta Four Mike Delta Alpha

Readability: 8/10(High readability)

License History

License RenewedSep 6, 2019
Administrative Update AppliedJul 18, 2012
License IssuedDec 4, 2009
Vanity Callsign GrantedDec 4, 2009
License CanceledAug 28, 2009
License RenewedMar 13, 2007
Administrative Update AppliedJul 19, 2002
Administrative Update AppliedMar 8, 2000

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

STANG JR, HAROLDFiled Nov 16, 2009
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← WD4MCX WD4MDB →

FCC data as of Jul 29, 2026

WD4MDA FCC Vanity Status: 1 Competing Application & History