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KA1OSA

Available2x3District 1

No competing applications on record.

License HolderESPOSITO, MICHAEL R

License ClassGeneral

Min. Class RequiredTechnician

LocationEAST HAVEN, CT

Grant DateNov 14, 2006

Expiration DateFeb 7, 2017

Cancellation DateFeb 12, 2019

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KA1OSA

Available2x3District 1

No competing applications on record.

License HolderESPOSITO, MICHAEL R

License ClassGeneral

Min. Class RequiredTechnician

LocationEAST HAVEN, CT

Grant DateNov 14, 2006

Expiration DateFeb 7, 2017

Cancellation DateFeb 12, 2019

Available for ApplicationsFeb 8, 2019

KA1OSA is a 2x3 format amateur radio callsign. It is currently registered to ESPOSITO, MICHAEL R in EAST HAVEN, CT. 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 Alpha One Oscar Sierra Alpha

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 ExpiredFeb 12, 2019
Administrative Update AppliedJan 9, 2013
License RenewedNov 14, 2006
License ModifiedMay 11, 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.

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FCC data as of Jul 29, 2026

Is KA1OSA Available? FCC Vanity Status & Watchlist