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KP4FOX

Active2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderRuiz, Enrique

License ClassTechnician

Min. Class RequiredTechnician

LocationSan Juan, PR

Grant DateNov 4, 2020

Expiration DateJan 19, 2031

KP4FOX is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Ruiz, Enrique in San Juan, 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 Ruiz, Enrique on Dec 28, 2010. KP4FOX has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 45 units(Heavy (slower to send))

Voice Phonetics

Kilo Papa Four Foxtrot Oscar X-ray

Readability: 7.5/10(High readability)

License History

License RenewedNov 4, 2020
License IssuedJan 19, 2011
Vanity Callsign GrantedJan 19, 2011

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Ruiz, EnriqueFiled Dec 28, 2010
Not awardedFCC ↗

Search external databases

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← KP4FOF KP4FPS →

FCC data as of Sep 3, 2026

KP4FOX FCC Vanity Status: 1 Competing Application & History