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KO4OUL

Available2x3District 4

No competing applications on record.

License HolderReuter, Jeffery A

License ClassTechnician

Min. Class RequiredTechnician

LocationTucson, AZ

Grant DateMar 29, 2021

Expiration DateMar 29, 2031

Cancellation DateSep 17, 2022

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KO4OUL

Available2x3District 4

No competing applications on record.

License HolderReuter, Jeffery A

License ClassTechnician

Min. Class RequiredTechnician

LocationTucson, AZ

Grant DateMar 29, 2021

Expiration DateMar 29, 2031

Cancellation DateSep 17, 2022

Available for ApplicationsSep 18, 2024

KO4OUL is a 2x3 format amateur radio callsign. It is currently registered to Reuter, Jeffery A in Tucson, AZ. 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: 43 units(Heavy (slower to send))

Voice Phonetics

Kilo Oscar Four Oscar Uniform Lima

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 CanceledSep 17, 2022
License ModifiedAug 29, 2022
System-Generated GrantMar 29, 2021
License IssuedMar 29, 2021

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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← KO4OUK KO4OUM →

FCC data as of Sep 3, 2026

Is KO4OUL Available? FCC Vanity Status & Watchlist