K4HAX
Active1x3District 4
Competitive callsign — 5 applications filed with the FCC.
License HolderMach, Darwin L
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationCentreville, VA
Grant DateAug 14, 2024
Expiration DateNov 7, 2034
K4HAX is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Mach, Darwin L in Centreville, VA. 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 Cardona, Herminio F on Apr 1, 2025. K4HAX has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- .... .- -..-
CW Weight: 30 units(Light (fast to send))
Voice Phonetics
Kilo Four Hotel Alpha X-ray
Readability: 8/10(High readability)
License History
- License RenewedAug 14, 2024
- Administrative Update AppliedNov 8, 2014
- License IssuedNov 7, 2014
- Vanity Callsign GrantedNov 7, 2014
Vanity Application Activity
Competing applications filed with the FCC for this callsign.