KA1OS
Active2x2District 1
Competitive callsign — 1 application filed with the FCC.
License HolderIkeda, Timothy P
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationHudson, MA
Grant DateJan 3, 2026
Expiration DateFeb 4, 2036
KA1OS is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Ikeda, Timothy P in Hudson, 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 Ikeda, Timothy P on Jan 17, 2006. KA1OS has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .- .---- --- ...
CW Weight: 36 units(Moderate)
Voice Phonetics
Kilo Alpha One Oscar Sierra
Readability: 7.5/10(High readability)
License History
- License RenewedJan 3, 2026
- License RenewedNov 25, 2015
- License IssuedFeb 4, 2006
- Vanity Callsign GrantedFeb 4, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Ikeda, Timothy PFiled Jan 17, 2006Not awardedFCC ↗