KR4SIS
Active2x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderTurner, Mary M
License ClassTechnician
Min. Class RequiredTechnician
LocationOzark, AL
Grant DateJun 21, 2025
Expiration DateJun 21, 2035
KR4SIS is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Turner, Mary M in Ozark, AL. 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 Turner, Mary M on Jun 2, 2025. KR4SIS has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .-. ....- ... .. ...
CW Weight: 27 units(Light (fast to send))
Voice Phonetics
Kilo Romeo Four Sierra India Sierra
Readability: 5.5/10(Moderate readability)
License History
- License IssuedJun 21, 2025
- Vanity Callsign GrantedJun 21, 2025
Vanity Application Activity
Competing applications filed with the FCC for this callsign.