K5KSU
Cancelled1x3District 5
Competitive callsign — 2 applications filed with the FCC.
License HolderKorsak, Andrew J
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationEmerald Hills, CA
Grant DateFeb 8, 2025
Cancellation DateApr 7, 2026
Available for ApplicationsApr 8, 2028
K5KSU is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Korsak, Andrew J in Emerald Hills, CA. 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 Horak, Arkady M on Jan 21, 2025. K5KSU has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ..... -.- ... ..-
CW Weight: 27 units(Light (fast to send))
Voice Phonetics
Kilo Five Kilo Sierra Uniform
Readability: 7/10(Good readability)
Available Apr 8, 2028 (581 days remaining)
Requires General license or higher to apply for this callsign format (1x3).
License History
- License CanceledApr 7, 2026
- License IssuedFeb 8, 2025
- Vanity Callsign GrantedFeb 8, 2025
- License ExpiredMar 31, 2009
Vanity Application Activity
Competing applications filed with the FCC for this callsign.