AI6SV
Active2x2District 6
Competitive callsign — 2 applications filed with the FCC.
License HolderCheng, Lei
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationSunnyvale, CA
Grant DateJun 17, 2026
Expiration DateSep 8, 2036
AI6SV is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Cheng, Lei in Sunnyvale, CA. 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 Silicon Valley Emergency Communications System on Jul 13, 2006. AI6SV has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- .. -.... ... ...-
CW Weight: 22 units(Light (fast to send))
Voice Phonetics
Alpha India Six Sierra Victor
Readability: 7/10(Good readability)
License History
- License RenewedJun 17, 2026
- System-Generated GrantSep 8, 2016
- License IssuedSep 8, 2016
Vanity Application Activity
Competing applications filed with the FCC for this callsign.