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K4RIN

Active1x3District 4

Competitive callsign — 5 applications filed with the FCC.

License HolderSmith, Luke

License ClassGeneral

Min. Class RequiredGeneral

LocationHarmony, FL

Grant DateJan 10, 2026

Expiration DateJan 10, 2036

K4RIN is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Smith, Luke in Harmony, FL. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Smith, Luke on Dec 23, 2025. K4RIN has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 25 units(Light (fast to send))

Voice Phonetics

Kilo Four Romeo India November

Readability: 6.5/10(Good readability)

License History

License IssuedJan 10, 2026
Vanity Callsign GrantedJan 10, 2026

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Smith, LukeFiled Dec 23, 2025
Not awardedFCC ↗
SIMPSON, KAREN HFiled Jul 1, 2024
Not awardedFCC ↗
IRVIN, JACOB RFiled Oct 2, 2012
Not awardedFCC ↗
Hughes, Karin JFiled Jun 19, 2000

Search external databases

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Explore nearby callsigns

← K4RIM K4RIO →

FCC data as of Sep 3, 2026

Not awarded

MANKIN, PAUL TFiled Jun 19, 2000

Not awardedFCC ↗

K4RIN FCC Vanity Status: 5 Competing Applications & History