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KP4SR

Active2x2District 4

Competitive callsign — 2 applications filed with the FCC.

License HolderSOTO, WILFREDO

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationBayamon, PR

Grant DateAug 29, 2018

Expiration DateNov 1, 2028

KP4SR is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by SOTO, WILFREDO in Bayamon, PR. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by SOTO, WILFREDO on Oct 14, 2008. KP4SR has 6 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

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

Voice Phonetics

Kilo Papa Four Sierra Romeo

Readability: 7/10(Good readability)

License History

License RenewedAug 29, 2018
License ModifiedApr 30, 2014
License IssuedNov 1, 2008
Vanity Callsign GrantedNov 1, 2008
Internal Correction AppliedAug 15, 2002
Internal Correction AppliedAug 15, 2002

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

SOTO, WILFREDOFiled Oct 14, 2008
Not awardedFCC ↗
RODRIGUEZ-FELICIANO, JOSE AFiled Dec 22, 2003
Not awardedFCC ↗

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FCC data as of Sep 3, 2026

KP4SR FCC Vanity Status: 2 Competing Applications & History