KP4CSI
Active2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderREYES BENITEZ, FREDDY L
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationCAROLINA, PR
Grant DateOct 22, 2021
Expiration DateDec 10, 2031
KP4CSI is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by REYES BENITEZ, FREDDY L in CAROLINA, 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 Reyes Benitez, Fredy L on Nov 22, 2011. KP4CSI has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .--. ....- -.-. ... ..
CW Weight: 35 units(Moderate)
Voice Phonetics
Kilo Papa Four Charlie Sierra India
Readability: 6.5/10(Good readability)
License History
- Administrative Update AppliedSep 9, 2025
- Administrative Update AppliedSep 6, 2025
- License RenewedOct 22, 2021
- License IssuedDec 10, 2011
- Vanity Callsign GrantedDec 10, 2011
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Reyes Benitez, Fredy LFiled Nov 22, 2011Not awardedFCC ↗