W4OS
Active1x2District 4
Competitive callsign — 25 applications filed with the FCC.
License HolderKELLEY, RONNIE G
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationJACK, AL
Grant DateJun 8, 2018
Expiration DateAug 8, 2028
W4OS is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by KELLEY, RONNIE G in JACK, AL. This callsign has attracted significant interest in the amateur radio community, with 25 vanity applications filed with the FCC. The most recent was submitted by McCarthy, Dennis D on Aug 12, 2008. W4OS has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- --- ...
CW Weight: 26 units(Light (fast to send))
Voice Phonetics
Whiskey Four Oscar Sierra
Readability: 8/10(High readability)
License History
- Administrative Update AppliedNov 26, 2025
- License RenewedJun 8, 2018
- License IssuedAug 8, 2008
- Vanity Callsign GrantedAug 8, 2008
- License ExpiredJul 19, 2008
Vanity Application Activity
Competing applications filed with the FCC for this callsign.