W4WTM
Active1x3District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderSadler, Alan
License ClassTechnician
Min. Class RequiredGeneral
LocationHesperia, CA
Grant DateSep 27, 2025
Expiration DateSep 27, 2035
W4WTM is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Sadler, Alan in Hesperia, CA. 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 Russell, Thomas A on Sep 9, 2025. W4WTM has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- .-- - --
CW Weight: 30 units(Light (fast to send))
Voice Phonetics
Whiskey Four Whiskey Tango Mike
Readability: 8.5/10(High readability)
License History
- License IssuedSep 27, 2025
- Vanity Callsign GrantedSep 27, 2025
- License ExpiredAug 26, 2025
- License RenewedJun 19, 2014
- License IssuedAug 23, 2003
- Vanity Callsign GrantedAug 23, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.