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KO6DF

Available2x2District 6

Competitive callsign — 1 application filed with the FCC.

License HolderSUMNER, GARY W

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationNEVADA CITY, CA

Grant DateJun 30, 1994

Expiration DateMay 3, 2004

Cancellation DateJul 7, 2000

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KO6DF

Available2x2District 6

Competitive callsign — 1 application filed with the FCC.

License HolderSUMNER, GARY W

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationNEVADA CITY, CA

Grant DateJun 30, 1994

Expiration DateMay 3, 2004

Cancellation DateJul 7, 2000

Available for ApplicationsJul 8, 2002

KO6DF is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by SUMNER, GARY W in NEVADA CITY, CA. 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 FIAMINGO, DAVID A on Jan 27, 2015. KO6DF has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 34 units(Moderate)

Voice Phonetics

Kilo Oscar Six Delta Foxtrot

Readability: 8/10(High readability)

This callsign is available now

Requires General license or higher to apply for this callsign format (2x2).

License History

License CanceledJul 7, 2000
License ModifiedMay 25, 2000

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

FIAMINGO, DAVID AFiled Jan 27, 2015
Not awardedFCC ↗

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FCC data as of Jul 10, 2026

KO6DF FCC Vanity Status: 1 Competing Application & History