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KM4SBB

Expired2x3District 4

No competing applications on record.

License HolderHART, STEVEN C

License ClassNovice

Min. Class RequiredTechnician

LocationNOBLESVILLE, IN

Grant DateMar 8, 2016

Expiration DateMar 8, 2026

Available for ApplicationsMar 9, 2028

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KM4SBB

Expired2x3District 4

No competing applications on record.

License HolderHART, STEVEN C

License ClassNovice

Min. Class RequiredTechnician

LocationNOBLESVILLE, IN

Grant DateMar 8, 2016

Expiration DateMar 8, 2026

Available for ApplicationsMar 9, 2028

KM4SBB is a 2x3 format amateur radio callsign. It is currently registered to HART, STEVEN C in NOBLESVILLE, IN. 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: 35 units(Moderate)

Voice Phonetics

Kilo Mike Four Sierra Bravo Bravo

Readability: 7.5/10(High readability)

Available Mar 9, 2028 (543 days remaining)

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

License History

System-Generated GrantMar 8, 2016
License IssuedMar 8, 2016

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 12, 2026

Is KM4SBB Available? FCC Vanity Status & Watchlist