W4CSX
Active1x3District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderAcosta, Cesar A
License ClassTechnician
Min. Class RequiredGeneral
LocationAllentown, PA
Grant DateAug 23, 2022
Expiration DateAug 23, 2032
W4CSX is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Acosta, Cesar A in Allentown, PA. 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 LEE, BRADFORD D on Aug 3, 2022. W4CSX has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- -.-. ... -..-
CW Weight: 33 units(Moderate)
Voice Phonetics
Whiskey Four Charlie Sierra X-ray
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedNov 19, 2025
- Administrative Update AppliedOct 31, 2024
- Administrative Update AppliedOct 17, 2023
- Vanity Callsign GrantedAug 23, 2022
- License IssuedAug 23, 2022
- License ExpiredJul 16, 2021
- License RenewedJul 22, 2009
- License ModifiedMay 3, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.