KA1ST
Active2x2District 1
Competitive callsign — 2 applications filed with the FCC.
License HolderSAKURADA, YOICHI
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationMERCER ISLAND, WA
Grant DateJun 4, 2026
Expiration DateJun 4, 2036
KA1ST is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by SAKURADA, YOICHI in MERCER ISLAND, WA. 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 Stier, Steven A on Mar 2, 2016. KA1ST has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .- .---- ... -
CW Weight: 30 units(Light (fast to send))
Voice Phonetics
Kilo Alpha One Sierra Tango
Readability: 7.5/10(High readability)
License History
- License RenewedJun 4, 2026
- License IssuedMar 22, 2016
- Vanity Callsign GrantedMar 22, 2016
- Internal Correction AppliedMay 12, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.