K1SEX
Expired1x3District 1
Competitive callsign — 6 applications filed with the FCC.
License HolderKobrin, Michael D
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationGlendale, CA
Grant DateNov 25, 2014
Expiration DateNov 25, 2024
Available for ApplicationsNov 26, 2026
K1SEX is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Kobrin, Michael D in Glendale, CA. This callsign has attracted significant interest in the amateur radio community, with 6 vanity applications filed with the FCC. The most recent was submitted by Henschke Jr, Ernest G on Nov 5, 2014. K1SEX has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .---- ... . -..-
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo One Sierra Echo X-ray
Readability: 7.5/10(High readability)
Available Nov 26, 2026 (83 days remaining)
Requires General license or higher to apply for this callsign format (1x3).
License History
- License IssuedNov 25, 2014
- Vanity Callsign GrantedNov 25, 2014
Vanity Application Activity
Competing applications filed with the FCC for this callsign.