AI7SI
Active2x2District 7
Competitive callsign — 1 application filed with the FCC.
License HolderStewart, Justin J
License ClassTechnician
Min. Class RequiredGeneral
LocationSalt Lake City, UT
Grant DateApr 7, 2018
Expiration DateApr 7, 2028
AI7SI is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Stewart, Justin J in Salt Lake City, UT. 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 KUMM, KEITH on Mar 20, 2018. AI7SI has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- .. --... ... ..
CW Weight: 20 units(Ultra-light (very fast to send))
Voice Phonetics
Alpha India Seven Sierra India
Readability: 6/10(Good readability)
License History
- Administrative Update AppliedDec 30, 2025
- License IssuedApr 7, 2018
- Vanity Callsign GrantedApr 7, 2018
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- KUMM, KEITHFiled Mar 20, 2018Not awardedFCC ↗