W4ZYX
Active1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderKriksin, Sergey
License ClassTechnician
Min. Class RequiredGeneral
LocationSan Francisco, CA
Grant DateMar 17, 2020
Expiration DateJun 4, 2030
W4ZYX is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Kriksin, Sergey in San Francisco, CA. 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 Gottlieb, Matthew on May 17, 2010. W4ZYX has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- --.. -.-- -..-
CW Weight: 40 units(Moderate)
Voice Phonetics
Whiskey Four Zulu Yankee X-ray
Readability: 8/10(High readability)
License History
- License RenewedMar 17, 2020
- Administrative Update AppliedMar 12, 2019
- Administrative Update AppliedJan 24, 2017
- Administrative Update AppliedOct 22, 2013
- License ModifiedAug 19, 2010
- License IssuedJun 4, 2010
- Vanity Callsign GrantedJun 4, 2010
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Gottlieb, MatthewFiled May 17, 2010Not awardedFCC ↗