KW4IDX
Available2x3District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderWalls Jr, Mack W
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationHudson, FL
Grant DateAug 1, 2006
Expiration DateAug 1, 2016
Cancellation DateOct 20, 2006
Available for ApplicationsOct 21, 2008
KW4IDX is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Walls Jr, Mack W in Hudson, FL. 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 HUBBARD, LAURELINE J on Jul 14, 2025. KW4IDX has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .-- ....- .. -.. -..-
CW Weight: 36 units(Moderate)
Voice Phonetics
Kilo Whiskey Four India Delta X-ray
Readability: 7/10(Good readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledOct 20, 2006
- License ModifiedSep 14, 2006
- License IssuedAug 1, 2006
- Vanity Callsign GrantedAug 1, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.