K4OS
Active1x2District 4
Competitive callsign — 29 applications filed with the FCC.
License HolderStokes, Thomas M
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationFt Lauderdale, FL
Grant DateMar 28, 2017
Expiration DateJun 22, 2027
K4OS is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by Stokes, Thomas M in Ft Lauderdale, FL. This callsign has attracted significant interest in the amateur radio community, with 29 vanity applications filed with the FCC. The most recent was submitted by Nigrosh, Maya on Sep 15, 2016. K4OS has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- --- ...
CW Weight: 26 units(Light (fast to send))
Voice Phonetics
Kilo Four Oscar Sierra
Readability: 8/10(High readability)
License History
- License RenewedMar 28, 2017
- License IssuedJun 22, 2007
- Vanity Callsign GrantedJun 22, 2007
- Internal Correction AppliedJan 12, 2007
- Internal Correction AppliedJan 12, 2007
Vanity Application Activity
Competing applications filed with the FCC for this callsign.