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KO4KFT

Available2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderAntonoff, Stephen C

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationMarietta, GA

Grant DateDec 15, 2020

Expiration DateDec 15, 2030

Cancellation DateFeb 2, 2021

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KO4KFT

Available2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderAntonoff, Stephen C

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationMarietta, GA

Grant DateDec 15, 2020

Expiration DateDec 15, 2030

Cancellation DateFeb 2, 2021

Available for ApplicationsFeb 3, 2023

KO4KFT is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Antonoff, Stephen C in Marietta, GA. 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 Thomas, Stephen G on Jun 12, 2020. KO4KFT has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 39 units(Moderate)

Voice Phonetics

Kilo Oscar Four Kilo Foxtrot Tango

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 CanceledFeb 2, 2021
License ModifiedJan 11, 2021
System-Generated GrantDec 15, 2020
License IssuedDec 15, 2020

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Thomas, Stephen GFiled Jun 12, 2020
Not awardedFCC ↗

Search external databases

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FCC data as of Sep 4, 2026

KO4KFT FCC Vanity Status: 1 Competing Application & History