W4THX
Active1x3District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderDE SARIO, MARIO P
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationBRADENTON, FL
Grant DateMar 12, 2025
Expiration DateMay 24, 2035
W4THX is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by DE SARIO, MARIO P in BRADENTON, FL. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by DE SARIO, MARIO P on May 4, 2005. W4THX has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- - .... -..-
CW Weight: 29 units(Light (fast to send))
Voice Phonetics
Whiskey Four Tango Hotel X-ray
Readability: 8/10(High readability)
License History
- License RenewedMar 12, 2025
- License RenewedMar 3, 2015
- License ModifiedJul 29, 2011
- Administrative Update AppliedMar 20, 2008
- License IssuedMay 24, 2005
- Vanity Callsign GrantedMay 24, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.