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KC4ASA

Active2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderACOSTA, RUBEN

License ClassNovice

Min. Class RequiredTechnician

LocationSAN GERMAN, PR

Grant DateJun 23, 2022

Expiration DateJul 21, 2032

KC4ASA is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by ACOSTA, RUBEN in SAN GERMAN, PR. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Carter, Asa W on Feb 1, 2021. KC4ASA has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

-.- -.-. ....- .- ... .-

CW Weight: 33 units(Moderate)

Voice Phonetics

Kilo Charlie Four Alpha Sierra Alpha

Readability: 7/10(Good readability)

License History

License RenewedJun 23, 2022
License RenewedJul 6, 2012
License RenewedJul 2, 2002

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Carter, Asa WFiled Feb 1, 2021
Not awardedFCC ↗

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← KC4ARX KC4ASB →

FCC data as of Sep 15, 2026

KC4ASA FCC Vanity Status: 1 Competing Application & History