W4DYR
Active1x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderO'Brien, Michael D
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationW Melbourne, FL
Grant DateMay 25, 2017
Expiration DateJul 28, 2027
W4DYR is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by O'Brien, Michael D in W Melbourne, FL. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Barry, Steven M on Dec 8, 2022. W4DYR has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- -.. -.-- .-.
CW Weight: 34 units(Moderate)
Voice Phonetics
Whiskey Four Delta Yankee Romeo
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedMar 28, 2018
- License RenewedMay 25, 2017
- License IssuedJul 28, 2007
- Vanity Callsign GrantedJul 28, 2007
Vanity Application Activity
Competing applications filed with the FCC for this callsign.