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KP4SIS

Active2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderSANTANA, SASHA I

License ClassTechnician

Min. Class RequiredTechnician

LocationARECIBO, PR

Grant DateFeb 24, 2018

Expiration DateFeb 24, 2028

KP4SIS is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by SANTANA, SASHA I in ARECIBO, 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 SANTANA, SASHA I on Feb 6, 2018. KP4SIS has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 30 units(Light (fast to send))

Voice Phonetics

Kilo Papa Four Sierra India Sierra

Readability: 6/10(Good readability)

License History

License IssuedFeb 24, 2018
Vanity Callsign GrantedFeb 24, 2018

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

SANTANA, SASHA IFiled Feb 6, 2018
Not awardedFCC ↗

Search external databases

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FCC data as of Sep 4, 2026

KP4SIS FCC Vanity Status: 1 Competing Application & History