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WA9DU

Active2x2District 9

Competitive callsign — 1 application filed with the FCC.

License HolderUnderhill, David E

License ClassAdvanced

Min. Class RequiredGeneral

LocationBrownsburg, IN

Grant DateOct 26, 2022

Expiration DateJan 4, 2033

WA9DU is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Underhill, David E in Brownsburg, IN. 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 UNDERHILL, DAVID E on Dec 17, 2002. WA9DU has 6 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 34 units(Moderate)

Voice Phonetics

Whiskey Alpha Nine Delta Uniform

Readability: 7.5/10(High readability)

License History

Administrative Update AppliedNov 9, 2023
License RenewedOct 26, 2022
License RenewedOct 11, 2012
Administrative Update AppliedSep 7, 2006
License IssuedJan 4, 2003
Vanity Callsign GrantedJan 4, 2003

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

UNDERHILL, DAVID EFiled Dec 17, 2002
Not awardedFCC ↗

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FCC data as of Jul 10, 2026

WA9DU FCC Vanity Status: 1 Competing Application & History