WD4DDT
Available2x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderTROBAUGH JR, ROBERT L
License ClassAdvanced
Min. Class RequiredTechnician
LocationBETHESDA, MD
Grant DateOct 3, 1989
Expiration DateOct 3, 1999
Cancellation DateOct 4, 2001
Available for ApplicationsOct 4, 2001
WD4DDT is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by TROBAUGH JR, ROBERT L in BETHESDA, MD. 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 TATUM, DANNY D on Jul 21, 2025. WD4DDT has 1 recorded FCC license history event.
CW & Voice Analysis
Morse Code
.-- -.. ....- -.. -.. -
CW Weight: 32 units(Moderate)
Voice Phonetics
Whiskey Delta Four Delta Delta Tango
Readability: 7.5/10(High readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ExpiredOct 4, 2001
Vanity Application Activity
Competing applications filed with the FCC for this callsign.