K4VTX
Active1x3District 4
Competitive callsign — 5 applications filed with the FCC.
License HolderSULPHUR MOUNTAIN REPEATER ASSN INC
Min. Class RequiredGeneral
LocationCamarillo, CA
Grant DateApr 13, 2018
Expiration DateApr 13, 2028
K4VTX is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by SULPHUR MOUNTAIN REPEATER ASSN INC in Camarillo, CA. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Clark, Randall S on Oct 9, 2024. K4VTX has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- ...- - -..-
CW Weight: 31 units(Moderate)
Voice Phonetics
Kilo Four Victor Tango X-ray
Readability: 8/10(High readability)
License History
- Administrative Update AppliedNov 20, 2025
- License IssuedApr 13, 2018
- Vanity Callsign GrantedApr 13, 2018
Vanity Application Activity
Competing applications filed with the FCC for this callsign.