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K0TBW

Active1x3District 0

Competitive callsign — 4 applications filed with the FCC.

License HolderWILLIAMS, MARK

License ClassTechnician

Min. Class RequiredGeneral

LocationROXBURY CROSSING, MA

Grant DateAug 20, 2024

Expiration DateAug 20, 2034

K0TBW is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by WILLIAMS, MARK in ROXBURY CROSSING, MA. This callsign has attracted significant interest in the amateur radio community, with 4 vanity applications filed with the FCC. The most recent was submitted by Bowman, Riley T on Aug 2, 2024. K0TBW has 7 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 38 units(Moderate)

Voice Phonetics

Kilo Zero Tango Bravo Whiskey

Readability: 7.5/10(High readability)

License History

Vanity Callsign GrantedAug 20, 2024
License IssuedAug 20, 2024
License CanceledDec 27, 2018
Administrative Update AppliedNov 8, 2018
License RenewedJul 13, 2010
License ModifiedOct 10, 2001
License IssuedSep 30, 2000

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Bowman, Riley TFiled Aug 2, 2024
Not awardedFCC ↗
WHEELER, THOMAS BFiled Jun 4, 2020
Not awardedFCC ↗
SUPPES SR, RICHARD BFiled Sep 12, 2000
Not awardedFCC ↗
White, Thomas BFiled Sep 12, 2000

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← K0TBV K0TCA →

FCC data as of Sep 4, 2026

Not awarded

K0TBW FCC Vanity Status: 4 Competing Applications & History