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KO4TBS

Active2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderSisson, Timothy B

License ClassGeneral

Min. Class RequiredTechnician

LocationKENNESAW, GA

Grant DateFeb 8, 2020

Expiration DateFeb 8, 2030

KO4TBS is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Sisson, Timothy B in KENNESAW, 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 Sisson, Timothy B on Jan 21, 2020. KO4TBS has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 35 units(Moderate)

Voice Phonetics

Kilo Oscar Four Tango Bravo Sierra

Readability: 7/10(Good readability)

License History

License ModifiedOct 20, 2021
License IssuedFeb 8, 2020
Vanity Callsign GrantedFeb 8, 2020

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Sisson, Timothy BFiled Jan 21, 2020
Not awardedFCC ↗

Search external databases

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FCC data as of Sep 4, 2026

KO4TBS FCC Vanity Status: 1 Competing Application & History