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KC4KMK

Available2x3District 4

No competing applications on record.

License HolderFORMENTI, RANDALL C

License ClassGeneral

Min. Class RequiredTechnician

LocationSunnyvale, CA

Grant DateSep 2, 2010

Expiration DateNov 30, 2020

Cancellation DateDec 1, 2022

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KC4KMK

Available2x3District 4

No competing applications on record.

License HolderFORMENTI, RANDALL C

License ClassGeneral

Min. Class RequiredTechnician

LocationSunnyvale, CA

Grant DateSep 2, 2010

Expiration DateNov 30, 2020

Cancellation DateDec 1, 2022

Available for ApplicationsDec 1, 2022

KC4KMK is a 2x3 format amateur radio callsign. It is currently registered to FORMENTI, RANDALL C in Sunnyvale, 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: 42 units(Heavy (slower to send))

Voice Phonetics

Kilo Charlie Four Kilo Mike Kilo

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 ExpiredDec 1, 2022
License RenewedSep 2, 2010
License RenewedNov 30, 2000

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

QRZ ↗HamQTH ↗

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← KC4KMJ KC4KMM →

FCC data as of Sep 15, 2026

Is KC4KMK Available? FCC Vanity Status & Watchlist