KR4RT
Available2x2District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderKALEN, KEVIN L
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationFORT LAUDERDALE, FL
Grant DateApr 28, 1999
Expiration DateMay 17, 2004
Cancellation DateApr 15, 2003
Available for ApplicationsApr 16, 2005
KR4RT is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by KALEN, KEVIN L in FORT LAUDERDALE, FL. 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 Stines, David R on Mar 4, 2026. KR4RT has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .-. ....- .-. -
CW Weight: 27 units(Light (fast to send))
Voice Phonetics
Kilo Romeo Four Romeo Tango
Readability: 7/10(Good readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (2x2).
License History
- License CanceledApr 15, 2003
- Administrative Update AppliedMar 18, 2003
- License ModifiedApr 25, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.