KR4RW
Available2x2District 4
Competitive callsign — 7 applications filed with the FCC.
License HolderMCKAY, WILLIAM,A
License ClassAdvanced
Min. Class RequiredGeneral
Cancellation DateSep 26, 1997
Available for ApplicationsSep 27, 1999
KR4RW is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by MCKAY, WILLIAM,A. This callsign has attracted significant interest in the amateur radio community, with 7 vanity applications filed with the FCC. The most recent was submitted by Stines, David R on Mar 4, 2026.
CW & Voice Analysis
Morse Code
-.- .-. ....- .-. .--
CW Weight: 31 units(Moderate)
Voice Phonetics
Kilo Romeo Four Romeo Whiskey
Readability: 7/10(Good 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.