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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

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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.

Strawn, Chad AFiled Jun 13, 2025
Not awardedFCC ↗
ALLIGOOD, RICHARD EFiled Sep 28, 2011
Not awardedFCC ↗
Viglione, SalvatoreFiled Jan 25, 2006
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

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FCC data as of Sep 3, 2026

KR4TO FCC Vanity Status: 3 Competing Applications & History