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KK4VDO

Available2x3District 4

No competing applications on record.

License HolderO'BRIEN, DAVID J

License ClassTechnician

Min. Class RequiredTechnician

LocationWINSTON SALEM, NC

Grant DateNov 12, 2013

Expiration DateMar 5, 2024

Cancellation DateMay 7, 2026

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KK4VDO

Available2x3District 4

No competing applications on record.

License HolderO'BRIEN, DAVID J

License ClassTechnician

Min. Class RequiredTechnician

LocationWINSTON SALEM, NC

Grant DateNov 12, 2013

Expiration DateMar 5, 2024

Cancellation DateMay 7, 2026

Available for ApplicationsMar 6, 2026

KK4VDO is a 2x3 format amateur radio callsign. It is currently registered to O'BRIEN, DAVID J in WINSTON SALEM, 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: 41 units(Heavy (slower to send))

Voice Phonetics

Kilo Kilo Four Victor Delta Oscar

Readability: 7.5/10(High readability)

This callsign is available now

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

License History

License ExpiredMay 7, 2026
Administrative Update AppliedMay 20, 2014
System-Generated GrantNov 12, 2013
License IssuedNov 12, 2013

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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← KK4VDN KK4VDP →

FCC data as of Jul 31, 2026

Is KK4VDO Available? FCC Vanity Status & Watchlist