W3CMS
Active1x3District 3
Competitive callsign — 1 application filed with the FCC.
License HolderSylvester, Christopher
License ClassGeneral
Min. Class RequiredGeneral
LocationLouisville, KY
Grant DateMar 31, 2026
Expiration DateMar 31, 2036
W3CMS is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Sylvester, Christopher in Louisville, KY. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Sylvester, Christopher on Mar 13, 2026. W3CMS has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ...-- -.-. -- ...
CW Weight: 33 units(Moderate)
Voice Phonetics
Whiskey Three Charlie Mike Sierra
Readability: 8/10(High readability)
License History
- Vanity Callsign GrantedMar 31, 2026
- License IssuedMar 31, 2026
- License ExpiredMar 19, 2024
- License RenewedDec 21, 2011
- Administrative Update AppliedJul 27, 2010
- Administrative Update AppliedMay 20, 2005
- License RenewedJan 12, 2002
- Administrative Update AppliedDec 15, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Sylvester, ChristopherFiled Mar 13, 2026Not awardedFCC ↗