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KO4SDE

Available2x3District 4

No competing applications on record.

License HolderHolman Sr, Donald L

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationFranklinton, NC

Grant DateJul 26, 2021

Expiration DateJul 26, 2031

Cancellation DateJun 4, 2024

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KO4SDE

Available2x3District 4

No competing applications on record.

License HolderHolman Sr, Donald L

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationFranklinton, NC

Grant DateJul 26, 2021

Expiration DateJul 26, 2031

Cancellation DateJun 4, 2024

Available for ApplicationsJun 5, 2026

KO4SDE is a 2x3 format amateur radio callsign. It is currently registered to Holman Sr, Donald L in Franklinton, NC. 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: 32 units(Moderate)

Voice Phonetics

Kilo Oscar Four Sierra Delta Echo

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 CanceledJun 4, 2024
Administrative Update AppliedMay 25, 2024
System-Generated GrantJul 26, 2021
License IssuedJul 26, 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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FCC data as of Sep 4, 2026

Is KO4SDE Available? FCC Vanity Status & Watchlist