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KO5C

Active2x1District 5

Competitive callsign — 6 applications filed with the FCC.

License HolderSCHULZE, RUBY M

License ClassTechnician

Min. Class RequiredAmateur Extra

LocationLA MIRADA, CA

Grant DateApr 20, 2020

Expiration DateJul 18, 2030

KO5C is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by SCHULZE, RUBY M in LA MIRADA, CA. This callsign has attracted significant interest in the amateur radio community, with 6 vanity applications filed with the FCC. The most recent was submitted by ANSLEY JR, CARLTON L on Jun 27, 2000. KO5C has 5 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

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

Voice Phonetics

Kilo Oscar Five Charlie

Readability: 8.5/10(High readability)

License History

License RenewedApr 20, 2020
Administrative Update AppliedApr 9, 2020
License RenewedApr 20, 2010
Administrative Update AppliedMar 2, 2010
License IssuedJul 18, 2000

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

ANSLEY JR, CARLTON LFiled Jun 27, 2000
Not awardedFCC ↗
ELWELL, CHRISTOPHER MFiled Jun 27, 2000
Not awardedFCC ↗
HARKER, KENNETH EFiled May 30, 2000
Not awardedFCC ↗
VALDES, DIEGOFiled May 30, 2000

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← KO5B KO5D →

FCC data as of Jul 10, 2026

Not awarded

BOSS, BENSON BFiled Dec 27, 1999

Not awardedFCC ↗

JOHNSON, CHRISTOPHER LFiled Dec 27, 1999

Not awardedFCC ↗

KO5C FCC Vanity Status: 6 Competing Applications & History