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KK4ISD

Available2x3District 4

No competing applications on record.

License HolderMaison, Robert C

License ClassGeneral

Min. Class RequiredTechnician

LocationMarathon, FL

Grant DateApr 20, 2012

Expiration DateApr 20, 2022

Cancellation DateApr 23, 2024

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KK4ISD

Available2x3District 4

No competing applications on record.

License HolderMaison, Robert C

License ClassGeneral

Min. Class RequiredTechnician

LocationMarathon, FL

Grant DateApr 20, 2012

Expiration DateApr 20, 2022

Cancellation DateApr 23, 2024

Available for ApplicationsApr 21, 2024

KK4ISD is a 2x3 format amateur radio callsign. It is currently registered to Maison, Robert C in Marathon, FL. 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 Kilo Four India Sierra Delta

Readability: 6.5/10(Good readability)

This callsign is available now

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

License History

License ExpiredApr 23, 2024
License ModifiedJul 17, 2012
System-Generated GrantApr 20, 2012
License IssuedApr 20, 2012

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 14, 2026

Is KK4ISD Available? FCC Vanity Status & Watchlist