K4OAX
Active1x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderWU, YINAN
License ClassTechnician
Min. Class RequiredGeneral
LocationSANTA CLARA, CA
Grant DateApr 19, 2019
Expiration DateApr 19, 2029
K4OAX is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by WU, YINAN in SANTA CLARA, 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 WU, YINAN on Apr 1, 2019. K4OAX has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- --- .- -..-
CW Weight: 35 units(Moderate)
Voice Phonetics
Kilo Four Oscar Alpha X-ray
Readability: 8/10(High readability)
License History
- Administrative Update AppliedJan 25, 2023
- License IssuedApr 19, 2019
- Vanity Callsign GrantedApr 19, 2019
Vanity Application Activity
Competing applications filed with the FCC for this callsign.