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KD4WBU

Available2x3District 4

No competing applications on record.

License HolderSULLIVAN JR, JOHN J

License ClassTechnician

Min. Class RequiredTechnician

LocationFLUSHING, NY

Grant DateApr 13, 1993

Expiration DateApr 13, 2003

Cancellation DateApr 14, 2005

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KD4WBU

Available2x3District 4

No competing applications on record.

License HolderSULLIVAN JR, JOHN J

License ClassTechnician

Min. Class RequiredTechnician

LocationFLUSHING, NY

Grant DateApr 13, 1993

Expiration DateApr 13, 2003

Cancellation DateApr 14, 2005

Available for ApplicationsApr 14, 2005

KD4WBU is a 2x3 format amateur radio callsign. It is currently registered to SULLIVAN JR, JOHN J in FLUSHING, NY. 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: 37 units(Moderate)

Voice Phonetics

Kilo Delta Four Whiskey Bravo Uniform

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 ExpiredApr 14, 2005

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.

Search external databases

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FCC data as of Sep 4, 2026

Is KD4WBU Available? FCC Vanity Status & Watchlist