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KA4OOB

Active2x3District 4

Competitive callsign — 2 applications filed with the FCC.

License HolderSALYERS, MARK

License ClassGeneral

Min. Class RequiredTechnician

LocationWake Forest, NC

Grant DateAug 27, 2026

Expiration DateOct 6, 2036

KA4OOB is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by SALYERS, MARK in Wake Forest, NC. 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 SALYERS, MARK on Sep 18, 2006. KA4OOB has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

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

Voice Phonetics

Kilo Alpha Four Oscar Oscar Bravo

Readability: 7.5/10(High readability)

License History

License RenewedAug 27, 2026
License RenewedSep 13, 2016
License IssuedOct 6, 2006
Vanity Callsign GrantedOct 6, 2006

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

SALYERS, MARKFiled Sep 18, 2006
Not awardedFCC ↗
Scott, Edward AFiled Sep 18, 2006
Not awardedFCC ↗

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FCC data as of Sep 3, 2026

KA4OOB FCC Vanity Status: 2 Competing Applications & History