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KD3BDU

Cancelled2x3District 3

No competing applications on record.

License HolderCho, Mason

License ClassTechnician

Min. Class RequiredTechnician

LocationGaithersburg, MD

Grant DateApr 25, 2025

Cancellation DateMay 20, 2025

Available for ApplicationsMay 21, 2027

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KD3BDU

Cancelled2x3District 3

No competing applications on record.

License HolderCho, Mason

License ClassTechnician

Min. Class RequiredTechnician

LocationGaithersburg, MD

Grant DateApr 25, 2025

Cancellation DateMay 20, 2025

Available for ApplicationsMay 21, 2027

KD3BDU is a 2x3 format amateur radio callsign. It is currently registered to Cho, Mason in Gaithersburg, MD. 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 Three Bravo Delta Uniform

Readability: 7/10(Good readability)

Available May 21, 2027 (258 days remaining)

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

License History

License CanceledMay 20, 2025
System-Generated GrantApr 25, 2025
License IssuedApr 25, 2025

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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← KD3BDT KD3BDV →

FCC data as of Sep 4, 2026

Is KD3BDU Available? FCC Vanity Status & Watchlist