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KA0JAX

Active2x3District 0

Competitive callsign — 1 application filed with the FCC.

License HolderHelwig, Brandon

License ClassTechnician

Min. Class RequiredTechnician

LocationBroomfield, CO

Grant DateMay 9, 2025

Expiration DateMay 9, 2035

KA0JAX is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Helwig, Brandon in Broomfield, CO. 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 Helwig, Brandon on Apr 21, 2025. KA0JAX has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 48 units(Heavy (slower to send))

Voice Phonetics

Kilo Alpha Zero Juliet Alpha X-ray

Readability: 6.5/10(Good readability)

License History

License IssuedMay 9, 2025
Vanity Callsign GrantedMay 9, 2025
License ExpiredNov 5, 2008

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Helwig, BrandonFiled Apr 21, 2025
Not awardedFCC ↗

Search external databases

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← KA0JAW KA0JBC →

FCC data as of Jul 29, 2026

KA0JAX FCC Vanity Status: 1 Competing Application & History