KC1OOS
Available2x3District 1
Competitive callsign — 1 application filed with the FCC.
License HolderShell, Martin
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationSomerville, MA
Grant DateApr 16, 2021
Expiration DateApr 16, 2031
Cancellation DateMay 27, 2021
Available for ApplicationsMay 28, 2023
KC1OOS is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Shell, Martin in Somerville, MA. 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 Shell, Martin on Mar 29, 2021. KC1OOS has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.-. .---- --- --- ...
CW Weight: 49 units(Heavy (slower to send))
Voice Phonetics
Kilo Charlie One Oscar Oscar Sierra
Readability: 7/10(Good readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledMay 27, 2021
- License ModifiedMay 26, 2021
- License IssuedApr 16, 2021
- Vanity Callsign GrantedApr 16, 2021
- License CanceledMar 23, 2021
- License ModifiedFeb 10, 2021
- System-Generated GrantFeb 3, 2021
- License IssuedFeb 3, 2021
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Shell, MartinFiled Mar 29, 2021Not awardedFCC ↗