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KO6DDF

Active2x3District 6

Competitive callsign — 1 application filed with the FCC.

License HolderSouth, John E

License ClassGeneral

Min. Class RequiredTechnician

LocationHALF MOON BAY, CA

Grant DateFeb 6, 2024

Expiration DateFeb 6, 2034

KO6DDF is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by South, John E in HALF MOON BAY, 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 Schiefer, Scott on Apr 10, 2026. KO6DDF has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 39 units(Moderate)

Voice Phonetics

Kilo Oscar Six Delta Delta Foxtrot

Readability: 7.5/10(High readability)

License History

License ModifiedJun 3, 2024
System-Generated GrantFeb 6, 2024
License IssuedFeb 6, 2024

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Schiefer, ScottFiled Apr 10, 2026
Not awardedFCC ↗

Search external databases

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FCC data as of Jul 10, 2026

KO6DDF FCC Vanity Status: 1 Competing Application & History