KA5SIO
Available2x3District 5
Competitive callsign — 2 applications filed with the FCC.
License ClassTechnician
Min. Class RequiredTechnician
Expiration DateSep 21, 1996
Available for ApplicationsSep 22, 1998
KA5SIO is a highly sought-after 2x3 format amateur radio callsign. 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 Camp, Griffin P on Jul 30, 2025.
CW & Voice Analysis
Morse Code
-.- .- ..... ... .. ---
CW Weight: 30 units(Light (fast to send))
Voice Phonetics
Kilo Alpha Five Sierra India Oscar
Readability: 6.5/10(Good readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
Vanity Application Activity
Competing applications filed with the FCC for this callsign.