K4ADU
Available1x3District 4
Competitive callsign — 5 applications filed with the FCC.
License HolderWaters, Christophe D
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationPowhatan, VA
Grant DateJul 9, 2011
Expiration DateAug 24, 2021
Cancellation DateAug 25, 2023
Available for ApplicationsAug 25, 2023
K4ADU is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Waters, Christophe D in Powhatan, 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 Hayes, Scott A on Apr 22, 2026. K4ADU has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- .- -.. ..-
CW Weight: 28 units(Light (fast to send))
Voice Phonetics
Kilo Four Alpha Delta Uniform
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredAug 25, 2023
- License RenewedJul 9, 2011
- Administrative Update AppliedMay 7, 2008
- License ModifiedJun 4, 2007
- Administrative Update AppliedAug 17, 2006
- License IssuedAug 24, 2001
Vanity Application Activity
Competing applications filed with the FCC for this callsign.