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KP4JJR

Active2x3District 4

Competitive callsign — 2 applications filed with the FCC.

License HolderROSADO, JESUS J

License ClassTechnician

Min. Class RequiredTechnician

LocationARECIBO, PR

Grant DateAug 28, 2018

Expiration DateAug 28, 2028

KP4JJR is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by ROSADO, JESUS J in ARECIBO, 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 JIMENEZ, JUAN R on Oct 4, 2019. KP4JJR has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 47 units(Heavy (slower to send))

Voice Phonetics

Kilo Papa Four Juliet Juliet Romeo

Readability: 6/10(Good readability)

License History

License IssuedAug 28, 2018
Vanity Callsign GrantedAug 28, 2018

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

JIMENEZ, JUAN RFiled Oct 4, 2019
Not awardedFCC ↗
ROSADO, JESUS JFiled Aug 8, 2018
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← KP4JJO KP4JJV →

FCC data as of Sep 4, 2026

KP4JJR FCC Vanity Status: 2 Competing Applications & History