K4RLX
Active1x3District 4
Competitive callsign — 4 applications filed with the FCC.
License HolderDowning, Karl R
License ClassGeneral
Min. Class RequiredGeneral
LocationVenice, FL
Grant DateJan 23, 2026
Expiration DateJan 23, 2036
K4RLX is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Downing, Karl R in Venice, FL. This callsign has attracted significant interest in the amateur radio community, with 4 vanity applications filed with the FCC. The most recent was submitted by Downing, Karl R on Jan 5, 2026. K4RLX has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- .-. .-.. -..-
CW Weight: 33 units(Moderate)
Voice Phonetics
Kilo Four Romeo Lima X-ray
Readability: 7.5/10(High readability)
License History
- License IssuedJan 23, 2026
- Vanity Callsign GrantedJan 23, 2026
Vanity Application Activity
Competing applications filed with the FCC for this callsign.