Home/Search/KO4YZR

KO4YZR

Available2x3District 4

No competing applications on record.

License HolderYost, William C

License ClassTechnician

Min. Class RequiredTechnician

LocationCulleoka, TN

Grant DateMar 24, 2022

Expiration DateMar 24, 2032

Cancellation DateApr 12, 2022

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KO4YZR

Available2x3District 4

No competing applications on record.

License HolderYost, William C

License ClassTechnician

Min. Class RequiredTechnician

LocationCulleoka, TN

Grant DateMar 24, 2022

Expiration DateMar 24, 2032

Cancellation DateApr 12, 2022

Available for ApplicationsApr 13, 2024

KO4YZR is a 2x3 format amateur radio callsign. It is currently registered to Yost, William C in Culleoka, TN. There are currently no competing vanity applications or pending FCC filings on record for this callsign. Add it to your watchlist to receive an immediate alert if another operator files a vanity application.

CW & Voice Analysis

Morse Code

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

CW Weight: 46 units(Heavy (slower to send))

Voice Phonetics

Kilo Oscar Four Yankee Zulu Romeo

Readability: 7/10(Good readability)

This callsign is available now

Requires Technician license or higher to apply for this callsign format (2x3).

License History

License CanceledApr 12, 2022
System-Generated GrantMar 24, 2022
License IssuedMar 24, 2022

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

No competing applications on record. Verify on the FCC ULS application search before filing.

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← KO4YZQ KO4YZS →

FCC data as of Jul 10, 2026

Is KO4YZR Available? FCC Vanity Status & Watchlist