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KK4RFB

Available2x3District 4

No competing applications on record.

License HolderDensmore, Richard W

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationValencia, CA

Grant DateMar 18, 2013

Expiration DateMar 18, 2023

Cancellation DateMar 19, 2025

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KK4RFB

Available2x3District 4

No competing applications on record.

License HolderDensmore, Richard W

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationValencia, CA

Grant DateMar 18, 2013

Expiration DateMar 18, 2023

Cancellation DateMar 19, 2025

Available for ApplicationsMar 19, 2025

KK4RFB is a 2x3 format amateur radio callsign. It is currently registered to Densmore, Richard W in Valencia, 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: 38 units(Moderate)

Voice Phonetics

Kilo Kilo Four Romeo Foxtrot Bravo

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 ExpiredMar 19, 2025
License ModifiedApr 11, 2014
License IssuedMay 16, 2013
System-Generated GrantMay 16, 2013

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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← KK4RFA KK4RFC →

FCC data as of Jul 31, 2026

Is KK4RFB Available? FCC Vanity Status & Watchlist