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WD4DAO

Available2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderCROWE, FINN M

License ClassGeneral

Min. Class RequiredTechnician

LocationANNISTON, AL

Grant DateSep 18, 1996

Expiration DateSep 18, 2006

Cancellation DateSep 19, 2008

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WD4DAO

Available2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderCROWE, FINN M

License ClassGeneral

Min. Class RequiredTechnician

LocationANNISTON, AL

Grant DateSep 18, 1996

Expiration DateSep 18, 2006

Cancellation DateSep 19, 2008

Available for ApplicationsSep 19, 2008

WD4DAO is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by CROWE, FINN M in ANNISTON, AL. 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 Hammond, Christopher A on Apr 19, 2021. WD4DAO has 1 recorded FCC license history event.

CW & Voice Analysis

Morse Code

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

CW Weight: 37 units(Moderate)

Voice Phonetics

Whiskey Delta Four Delta Alpha Oscar

Readability: 7.5/10(High readability)

This callsign is available now

Requires Technician license or higher to apply for this callsign format (2x3).

License History

License ExpiredSep 19, 2008

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Hammond, Christopher AFiled Apr 19, 2021
Not awardedFCC ↗

Search external databases

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FCC data as of Jul 29, 2026

WD4DAO FCC Vanity Status: 1 Competing Application & History