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KJ6OBS

Active2x3District 6

Competitive callsign — 2 applications filed with the FCC.

License HolderSandal, Matthew

License ClassTechnician

Min. Class RequiredTechnician

LocationSan Francisco, CA

Grant DateFeb 22, 2021

Expiration DateApr 18, 2031

KJ6OBS is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Sandal, Matthew in San Francisco, CA. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Underwood, John E on Apr 6, 2010. KJ6OBS has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 42 units(Heavy (slower to send))

Voice Phonetics

Kilo Juliet Six Oscar Bravo Sierra

Readability: 6.5/10(Good readability)

License History

License RenewedFeb 22, 2021
System-Generated GrantApr 18, 2011
License IssuedApr 18, 2011

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Underwood, John EFiled Apr 6, 2010
DismissedFCC ↗
Underwood, John EFiled Mar 22, 2010
Not awardedFCC ↗

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FCC data as of Sep 11, 2026

KJ6OBS FCC Vanity Status: 2 Competing Applications & History