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W4DBZ

Active1x3District 4

Competitive callsign — 2 applications filed with the FCC.

License HolderByrne, Douglas P

License ClassGeneral

Min. Class RequiredGeneral

LocationDunedin, FL

Grant DateApr 8, 2025

Expiration DateApr 7, 2035

W4DBZ is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Byrne, Douglas P in Dunedin, FL. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Byrne, Douglas P on Mar 20, 2015. W4DBZ has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 33 units(Moderate)

Voice Phonetics

Whiskey Four Delta Bravo Zulu

Readability: 8/10(High readability)

License History

License RenewedApr 8, 2025
License IssuedApr 7, 2015
Vanity Callsign GrantedApr 7, 2015

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Byrne, Douglas PFiled Mar 20, 2015
Not awardedFCC ↗
KROENING, JOHN LFiled Jul 19, 2011
Not awardedFCC ↗

Search external databases

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FCC data as of Sep 3, 2026

W4DBZ FCC Vanity Status: 2 Competing Applications & History