K4UAS
Available1x3District 4
Competitive callsign — 4 applications filed with the FCC.
License HolderBernath, Walter A
License ClassAdvanced
Min. Class RequiredGeneral
LocationCharlotte, NC
Grant DateMar 25, 2009
Expiration DateMar 25, 2019
Cancellation DateMar 26, 2021
Available for ApplicationsMar 26, 2021
K4UAS is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Bernath, Walter A in Charlotte, NC. 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 Thibadeau, Robert H on May 28, 2025. K4UAS has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- ..- .- ...
CW Weight: 26 units(Light (fast to send))
Voice Phonetics
Kilo Four Uniform Alpha Sierra
Readability: 7/10(Good readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredMar 26, 2021
- License RenewedMar 25, 2009
- Tax ID (TIN) AddedMay 4, 2006
- Administrative Update AppliedMay 4, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.