WX4U
Active2x1District 4
Competitive callsign — 9 applications filed with the FCC.
License HolderRosenblum, David A
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationNew Smyrna Beach, FL
Grant DateDec 11, 2025
Expiration DateJan 10, 2036
WX4U is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Rosenblum, David A in New Smyrna Beach, FL. This callsign has attracted significant interest in the amateur radio community, with 9 vanity applications filed with the FCC. The most recent was submitted by BAKALOV, RUDY M on Jan 23, 2006. WX4U has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- -..- ....- ..-
CW Weight: 27 units(Light (fast to send))
Voice Phonetics
Whiskey X-ray Four Uniform
Readability: 8/10(High readability)
License History
- License RenewedDec 11, 2025
- License RenewedOct 23, 2015
- Administrative Update AppliedSep 17, 2015
- Administrative Update AppliedNov 11, 2010
- Administrative Update AppliedDec 19, 2006
- Vanity Callsign GrantedJan 10, 2006
- License IssuedJan 10, 2006
- License ExpiredJan 4, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.