W4CSO
Available1x3District 4
Competitive callsign — 9 applications filed with the FCC.
License HolderSO, CAMILO D
License ClassAdvanced
Min. Class RequiredGeneral
LocationMIAMI, FL
Grant DateNov 10, 2012
Expiration DateDec 13, 2022
Cancellation DateDec 14, 2024
Available for ApplicationsDec 14, 2024
W4CSO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by SO, CAMILO D in MIAMI, FL. This callsign has attracted significant interest in the amateur radio community, with 9 vanity applications filed with the FCC. The most recent was submitted by OLDFIELD, CLIVE S on Aug 17, 2026. W4CSO has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- -.-. ... ---
CW Weight: 34 units(Moderate)
Voice Phonetics
Whiskey Four Charlie Sierra Oscar
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredDec 14, 2024
- License RenewedNov 10, 2012
- Administrative Update AppliedDec 8, 2003
- License IssuedDec 13, 2002
- Vanity Callsign GrantedDec 13, 2002
Vanity Application Activity
Competing applications filed with the FCC for this callsign.