W4DBT
Active1x3District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderTumser, David B
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationMelbourne, FL
Grant DateMay 9, 2018
Expiration DateMay 9, 2028
W4DBT is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Tumser, David B in Melbourne, 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 Knopf, Kenneth J on May 17, 2021. W4DBT has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- -.. -... -
CW Weight: 28 units(Light (fast to send))
Voice Phonetics
Whiskey Four Delta Bravo Tango
Readability: 8/10(High readability)
License History
- License RenewedMay 9, 2018
- License ModifiedFeb 18, 2009
- License IssuedJan 4, 2008
- Vanity Callsign GrantedJan 4, 2008
- License ExpiredJul 15, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.