KR4TO
Available2x2District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderVIGLIONE, SALVATORE
License ClassAdvanced
Min. Class RequiredGeneral
Cancellation DateFeb 25, 1998
Available for ApplicationsFeb 26, 2000
KR4TO is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by VIGLIONE, SALVATORE. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by Strawn, Chad A on Jun 13, 2025.
CW & Voice Analysis
Morse Code
-.- .-. ....- - ---
CW Weight: 31 units(Moderate)
Voice Phonetics
Kilo Romeo Four Tango Oscar
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (2x2).
Vanity Application Activity
Competing applications filed with the FCC for this callsign.