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KC5O

Active2x1District 5

Competitive callsign — 4 applications filed with the FCC.

License HolderSchrienk, Robert J

License ClassAmateur Extra

Min. Class RequiredAmateur Extra

LocationRomance, AR

Grant DateJun 5, 2026

Expiration DateJun 5, 2036

KC5O is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Schrienk, Robert J in Romance, AR. 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 Voronov, Anton S on Jun 15, 2026. KC5O has 6 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 29 units(Light (fast to send))

Voice Phonetics

Kilo Charlie Five Oscar

Readability: 8.5/10(High readability)

License History

License IssuedJun 5, 2026
Vanity Callsign GrantedJun 5, 2026
License ExpiredMay 19, 2026
License RenewedMay 8, 2014
Tax ID (TIN) AddedApr 2, 2004
License RenewedApr 2, 2004

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Voronov, Anton SFiled Jun 15, 2026
DismissedFCC ↗
Schrienk, Robert JFiled May 18, 2026
Not awardedFCC ↗
Poindexter, JonFiled May 18, 2026
Not awardedFCC ↗
Clarke, Joseph AFiled Jun 29, 2020

Search external databases

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Explore nearby callsigns

← KC5N KC5P →

FCC data as of Sep 3, 2026

Not awarded

KC5O FCC Vanity Status: 4 Competing Applications & History