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KA3OSI

Expired2x3District 3

No competing applications on record.

License HolderWARDELL, ROBERT O

License ClassTechnician

Min. Class RequiredTechnician

LocationWILMINGTON, DE

Grant DateJan 7, 2016

Expiration DateJan 22, 2026

Available for ApplicationsJan 23, 2028

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KA3OSI

Expired2x3District 3

No competing applications on record.

License HolderWARDELL, ROBERT O

License ClassTechnician

Min. Class RequiredTechnician

LocationWILMINGTON, DE

Grant DateJan 7, 2016

Expiration DateJan 22, 2026

Available for ApplicationsJan 23, 2028

KA3OSI is a 2x3 format amateur radio callsign. It is currently registered to WARDELL, ROBERT O in WILMINGTON, DE. 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: 34 units(Moderate)

Voice Phonetics

Kilo Alpha Three Oscar Sierra India

Readability: 6.5/10(Good readability)

Available Jan 23, 2028 (562 days remaining)

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

License History

License RenewedJan 7, 2016
Tax ID (TIN) AddedJan 10, 2006
License RenewedJan 10, 2006

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 Jul 10, 2026

Is KA3OSI Available? FCC Vanity Status & Watchlist