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KO4YO

Available2x2District 4

Competitive callsign — 1 application filed with the FCC.

License HolderDIBELKA, KRISTY G

License ClassGeneral

Min. Class RequiredGeneral

LocationROCHESTER, NY

Grant DateMar 30, 2002

Expiration DateJun 2, 2012

Cancellation DateJan 10, 2006

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KO4YO

Available2x2District 4

Competitive callsign — 1 application filed with the FCC.

License HolderDIBELKA, KRISTY G

License ClassGeneral

Min. Class RequiredGeneral

LocationROCHESTER, NY

Grant DateMar 30, 2002

Expiration DateJun 2, 2012

Cancellation DateJan 10, 2006

Available for ApplicationsJan 11, 2008

KO4YO is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by DIBELKA, KRISTY G in ROCHESTER, NY. 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 Mathews, Yolanda on Dec 22, 2014. KO4YO has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

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

Voice Phonetics

Kilo Oscar Four Yankee Oscar

Readability: 8/10(High readability)

This callsign is available now

Requires General license or higher to apply for this callsign format (2x2).

License History

License CanceledJan 10, 2006
License RenewedMar 30, 2002

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Mathews, YolandaFiled Dec 22, 2014
Not awardedFCC ↗

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FCC data as of Sep 4, 2026

KO4YO FCC Vanity Status: 1 Competing Application & History