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KD4MZA

Available2x3District 4

No competing applications on record.

License HolderCALDER, AUBREY J

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationSAN JOSE, CA

Grant DateFeb 20, 2002

Expiration DateApr 14, 2012

Cancellation DateApr 15, 2014

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KD4MZA

Available2x3District 4

No competing applications on record.

License HolderCALDER, AUBREY J

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationSAN JOSE, CA

Grant DateFeb 20, 2002

Expiration DateApr 14, 2012

Cancellation DateApr 15, 2014

Available for ApplicationsApr 15, 2014

KD4MZA is a 2x3 format amateur radio callsign. It is currently registered to CALDER, AUBREY J in SAN JOSE, CA. 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 Mike Zulu Alpha

Readability: 8/10(High readability)

This callsign is available now

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

License History

License ExpiredApr 15, 2014
License RenewedFeb 20, 2002

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 KD4MZA Available? FCC Vanity Status & Watchlist