KS1ZAC
Active2x3District 1
Competitive callsign — 1 application filed with the FCC.
License HolderSeto, Zachary J
License ClassTechnician
Min. Class RequiredTechnician
LocationEncinitas, CA
Grant DateDec 2, 2025
Expiration DateJan 15, 2036
KS1ZAC is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Seto, Zachary J in Encinitas, CA. 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 Seto, Zachary J on Dec 28, 2015. KS1ZAC has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ... .---- --.. .- -.-.
CW Weight: 43 units(Heavy (slower to send))
Voice Phonetics
Kilo Sierra One Zulu Alpha Charlie
Readability: 7/10(Good readability)
License History
- License RenewedDec 2, 2025
- License IssuedJan 15, 2016
- Vanity Callsign GrantedJan 15, 2016
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Seto, Zachary JFiled Dec 28, 2015Not awardedFCC ↗