W4PX
Active1x2District 4
Competitive callsign — 34 applications filed with the FCC.
License HolderTsuchiya, Sadao
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationHonolulu, HI
Grant DateFeb 26, 2025
Expiration DateMay 21, 2035
W4PX is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by Tsuchiya, Sadao in Honolulu, HI. This callsign has attracted significant interest in the amateur radio community, with 34 vanity applications filed with the FCC. The most recent was submitted by Kreps, Aaron on Nov 1, 2021. W4PX has 9 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- .--. -..-
CW Weight: 30 units(Light (fast to send))
Voice Phonetics
Whiskey Four Papa X-ray
Readability: 8.5/10(High readability)
License History
- License RenewedFeb 26, 2025
- License RenewedMar 6, 2015
- License IssuedMay 21, 2005
- Vanity Callsign GrantedMay 21, 2005
- License CanceledMay 2, 2003
- License IssuedJan 31, 2003
- Vanity Callsign GrantedJan 31, 2003
- Internal Correction AppliedJan 16, 2003
- Internal Correction AppliedJan 16, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.