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KD4OOR

Available2x3District 4

No competing applications on record.

License HolderBRANDHORST, WILLIAM D

License ClassTechnician

Min. Class RequiredTechnician

LocationSAN ANTONIO, TX

Grant DateMay 19, 1992

Expiration DateMay 19, 2002

Cancellation DateMay 20, 2004

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KD4OOR

Available2x3District 4

No competing applications on record.

License HolderBRANDHORST, WILLIAM D

License ClassTechnician

Min. Class RequiredTechnician

LocationSAN ANTONIO, TX

Grant DateMay 19, 1992

Expiration DateMay 19, 2002

Cancellation DateMay 20, 2004

Available for ApplicationsMay 20, 2004

KD4OOR is a 2x3 format amateur radio callsign. It is currently registered to BRANDHORST, WILLIAM D in SAN ANTONIO, TX. 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: 42 units(Heavy (slower to send))

Voice Phonetics

Kilo Delta Four Oscar Oscar Romeo

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 ExpiredMay 20, 2004

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 KD4OOR Available? FCC Vanity Status & Watchlist