W4XXI
Active1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderMartin, William W
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationNipomo, CA
Grant DateJan 10, 2020
Expiration DateJan 10, 2030
W4XXI is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Martin, William W in Nipomo, 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 Evans, Joseph M on Dec 23, 2019. W4XXI has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- -..- -..- ..
CW Weight: 32 units(Moderate)
Voice Phonetics
Whiskey Four X-ray X-ray India
Readability: 7.5/10(High readability)
License History
- License IssuedJan 10, 2020
- Vanity Callsign GrantedJan 10, 2020
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Evans, Joseph MFiled Dec 23, 2019Not awardedFCC ↗