W4JSK
Active1x3District 4
Competitive callsign — 4 applications filed with the FCC.
License HolderSCHOLTON, SANFORD G
License ClassTechnician
Min. Class RequiredGeneral
LocationSAN PEDRO, CA
Grant DateDec 23, 2025
Expiration DateJan 5, 2036
W4JSK is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by SCHOLTON, SANFORD G in SAN PEDRO, CA. This callsign has attracted significant interest in the amateur radio community, with 4 vanity applications filed with the FCC. The most recent was submitted by KING, JAMES S on Dec 15, 2015. W4JSK has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- .--- ... -.-
CW Weight: 34 units(Moderate)
Voice Phonetics
Whiskey Four Juliet Sierra Kilo
Readability: 7/10(Good readability)
License History
- License RenewedDec 23, 2025
- License IssuedJan 5, 2016
- Vanity Callsign GrantedJan 5, 2016
- License ExpiredMay 22, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.