KR4R
Expired2x1District 4
Competitive callsign — 8 applications filed with the FCC.
License HolderRITTER JR, JOHNNIE M
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationDover, FL
Grant DateMar 14, 2016
Expiration DateJun 6, 2026
Available for ApplicationsJun 7, 2028
KR4R is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by RITTER JR, JOHNNIE M in Dover, FL. This callsign has attracted significant interest in the amateur radio community, with 8 vanity applications filed with the FCC. The most recent was submitted by Ingrande, Nicholas on Oct 20, 2026. KR4R has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .-. ....- .-.
CW Weight: 24 units(Light (fast to send))
Voice Phonetics
Kilo Romeo Four Romeo
Readability: 7.5/10(High readability)
Available Jun 7, 2028 (587 days remaining)
Requires Amateur Extra license or higher to apply for this callsign format (2x1).
License History
- License RenewedMar 14, 2016
- Administrative Update AppliedAug 4, 2010
- License IssuedJun 6, 2006
- Vanity Callsign GrantedJun 6, 2006
- Internal Correction AppliedMay 30, 2006
- Internal Correction AppliedMay 30, 2006
- License ExpiredMay 25, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.