K2COS
Expired1x3District 2
Competitive callsign — 2 applications filed with the FCC.
License HolderXu, Keshuai
License ClassTechnician
Min. Class RequiredGeneral
LocationBaltimore, MD
Grant DateApr 16, 2016
Expiration DateApr 16, 2026
Available for ApplicationsApr 17, 2028
K2COS is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Xu, Keshuai in Baltimore, MD. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Xu, Keshuai on Mar 29, 2016. K2COS has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ..--- -.-. --- ...
CW Weight: 38 units(Moderate)
Voice Phonetics
Kilo Two Charlie Oscar Sierra
Readability: 7.5/10(High readability)
Available Apr 17, 2028 (648 days remaining)
Requires General license or higher to apply for this callsign format (1x3).
License History
- Administrative Update AppliedFeb 7, 2019
- License IssuedApr 16, 2016
- Vanity Callsign GrantedApr 16, 2016
Vanity Application Activity
Competing applications filed with the FCC for this callsign.