K4RXX
Active1x3District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderFREW, REX A
License ClassTechnician
Min. Class RequiredGeneral
LocationSHELBYVILLE, KY
Grant DateMar 27, 2025
Expiration DateApr 8, 2034
K4RXX is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by FREW, REX A in SHELBYVILLE, KY. 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 FREW, REX A on Mar 20, 2014. K4RXX has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- .-. -..- -..-
CW Weight: 35 units(Moderate)
Voice Phonetics
Kilo Four Romeo X-ray X-ray
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedMar 28, 2025
- License RenewedMar 27, 2025
- Administrative Update AppliedJun 18, 2015
- License IssuedApr 8, 2014
- Vanity Callsign GrantedApr 8, 2014
- License ExpiredSep 30, 1999
Vanity Application Activity
Competing applications filed with the FCC for this callsign.