W4DMO
Cancelled1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderO STEEN SR, DAVID M
License ClassTechnician
Min. Class RequiredGeneral
LocationJACKSONVILLE, FL
Grant DateOct 23, 2018
Cancellation DateDec 23, 2025
Available for ApplicationsDec 24, 2027
W4DMO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by O STEEN SR, DAVID M in JACKSONVILLE, FL. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by O STEEN SR, DAVID M on Nov 7, 2008. W4DMO has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- -.. -- ---
CW Weight: 34 units(Moderate)
Voice Phonetics
Whiskey Four Delta Mike Oscar
Readability: 8.5/10(High readability)
Available Dec 24, 2027 (475 days remaining)
Requires General license or higher to apply for this callsign format (1x3).
License History
- License CanceledDec 23, 2025
- License RenewedOct 23, 2018
- License IssuedNov 25, 2008
- Vanity Callsign GrantedNov 25, 2008
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- O STEEN SR, DAVID MFiled Nov 7, 2008Not awardedFCC ↗