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KC1OTB

Active2x3District 1

Competitive callsign — 1 application filed with the FCC.

License HolderDuran, James L

License ClassTechnician

Min. Class RequiredTechnician

LocationChelsea, MA

Grant DateFeb 22, 2021

Expiration DateFeb 22, 2031

KC1OTB is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Duran, James L in Chelsea, MA. 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 Casey, Kerry T on Oct 21, 2019. KC1OTB has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 46 units(Heavy (slower to send))

Voice Phonetics

Kilo Charlie One Oscar Tango Bravo

Readability: 7.5/10(High readability)

License History

System-Generated GrantFeb 22, 2021
License IssuedFeb 22, 2021

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Casey, Kerry TFiled Oct 21, 2019
Not awardedFCC ↗

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← KC1OTA KC1OTC →

FCC data as of Sep 3, 2026

KC1OTB FCC Vanity Status: 1 Competing Application & History