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KK4DRO

Available2x3District 4

No competing applications on record.

License HolderCASTRO, OLIVIA R

License ClassTechnician

Min. Class RequiredTechnician

LocationSUMMERVILLE, SC

Grant DateAug 18, 2011

Expiration DateAug 18, 2021

Cancellation DateAug 19, 2023

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KK4DRO

Available2x3District 4

No competing applications on record.

License HolderCASTRO, OLIVIA R

License ClassTechnician

Min. Class RequiredTechnician

LocationSUMMERVILLE, SC

Grant DateAug 18, 2011

Expiration DateAug 18, 2021

Cancellation DateAug 19, 2023

Available for ApplicationsAug 19, 2023

KK4DRO is a 2x3 format amateur radio callsign. It is currently registered to CASTRO, OLIVIA R in SUMMERVILLE, SC. 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: 40 units(Moderate)

Voice Phonetics

Kilo Kilo Four Delta Romeo Oscar

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 ExpiredAug 19, 2023
System-Generated GrantAug 18, 2011
License IssuedAug 18, 2011

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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← KK4DRN KK4DRP →

FCC data as of Oct 30, 2026

Is KK4DRO Available? FCC Vanity Status & Watchlist