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K7DU

Active1x2District 7

Competitive callsign — 2 applications filed with the FCC.

License HolderCummings, Gregory S

License ClassAmateur Extra

Min. Class RequiredAmateur Extra

LocationWoodinville, WA

Grant DateOct 3, 2017

Expiration DateNov 9, 2027

K7DU is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by Cummings, Gregory S in Woodinville, WA. 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 Cummings, Gregory S on Oct 22, 2007. K7DU has 6 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 26 units(Light (fast to send))

Voice Phonetics

Kilo Seven Delta Uniform

Readability: 7.5/10(High readability)

License History

License RenewedOct 3, 2017
License IssuedNov 9, 2007
Vanity Callsign GrantedNov 9, 2007
Internal Correction AppliedOct 15, 2007
Internal Correction AppliedOct 15, 2007
License RenewedFeb 28, 2005

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Cummings, Gregory SFiled Oct 22, 2007
Not awardedFCC ↗
Cummings, Gregory SFiled Jun 18, 2007
DismissedFCC ↗

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FCC data as of Jul 30, 2026

K7DU FCC Vanity Status: 2 Competing Applications & History