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KF4YDB

Available2x3District 4

No competing applications on record.

License HolderKING, DOUGLAS W

License ClassTechnician

Min. Class RequiredTechnician

LocationMAYPORT, FL

Grant DateApr 27, 1998

Expiration DateApr 27, 2008

Cancellation DateApr 28, 2010

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KF4YDB

Available2x3District 4

No competing applications on record.

License HolderKING, DOUGLAS W

License ClassTechnician

Min. Class RequiredTechnician

LocationMAYPORT, FL

Grant DateApr 27, 1998

Expiration DateApr 27, 2008

Cancellation DateApr 28, 2010

Available for ApplicationsApr 28, 2010

KF4YDB is a 2x3 format amateur radio callsign. It is currently registered to KING, DOUGLAS W in MAYPORT, FL. 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 Foxtrot Four Yankee Delta Bravo

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 ExpiredApr 28, 2010

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 Jul 31, 2026

Is KF4YDB Available? FCC Vanity Status & Watchlist