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KB5UZ

Available2x2District 5

No competing applications on record.

License HolderMartens III, Charles F

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationFlagstaff, AZ

Cancellation DateSep 17, 1997

Available for ApplicationsSep 18, 1999

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KB5UZ

Available2x2District 5

No competing applications on record.

License HolderMartens III, Charles F

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationFlagstaff, AZ

Cancellation DateSep 17, 1997

Available for ApplicationsSep 18, 1999

KB5UZ is a 2x2 format amateur radio callsign. It is currently registered to Martens III, Charles F in Flagstaff, AZ. 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: 31 units(Moderate)

Voice Phonetics

Kilo Bravo Five Uniform Zulu

Readability: 7.5/10(High readability)

This callsign is available now

Requires General license or higher to apply for this callsign format (2x2).

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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QRZ ↗HamQTH ↗

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FCC data as of Sep 3, 2026

Is KB5UZ Available? FCC Vanity Status & Watchlist