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K1SDX

Active1x3District 1

Competitive callsign — 2 applications filed with the FCC.

License HolderNAKARI, TIM J

License ClassTechnician

Min. Class RequiredGeneral

LocationBROOMFIELD, CO

Grant DateSep 6, 2025

Expiration DateOct 20, 2035

K1SDX is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by NAKARI, TIM J in BROOMFIELD, CO. 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 Kustov, Vladimir M on Oct 2, 2015. K1SDX has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 36 units(Moderate)

Voice Phonetics

Kilo One Sierra Delta X-ray

Readability: 7.5/10(High readability)

License History

License RenewedSep 6, 2025
License IssuedOct 20, 2015
Vanity Callsign GrantedOct 20, 2015

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Kustov, Vladimir MFiled Oct 2, 2015
Not awardedFCC ↗
Adlard, MatthewFiled Dec 19, 2011
Not awardedFCC ↗

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FCC data as of Sep 4, 2026

K1SDX FCC Vanity Status: 2 Competing Applications & History