K1FEI
Available1x3District 1
Competitive callsign — 2 applications filed with the FCC.
License HolderHe, Yifei
License ClassTechnician
Min. Class RequiredGeneral
LocationCupertino, CA
Grant DateDec 14, 2021
Expiration DateDec 14, 2031
Cancellation DateOct 11, 2023
Available for ApplicationsOct 12, 2025
K1FEI is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by He, Yifei in Cupertino, 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 He, Yifei on Nov 26, 2021. K1FEI has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .---- ..-. . ..
CW Weight: 29 units(Light (fast to send))
Voice Phonetics
Kilo One Foxtrot Echo India
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License CanceledOct 11, 2023
- Administrative Update AppliedSep 26, 2023
- License IssuedDec 14, 2021
- Vanity Callsign GrantedDec 14, 2021
Vanity Application Activity
Competing applications filed with the FCC for this callsign.