W1DWO
Active1x3District 1
Competitive callsign — 3 applications filed with the FCC.
License HolderCosta, Matthew A
License ClassTechnician
Min. Class RequiredGeneral
LocationWindham, NH
Grant DateJan 6, 2026
Expiration DateJan 6, 2036
W1DWO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Costa, Matthew A in Windham, NH. 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 Costa, Matthew A on Dec 17, 2025. W1DWO has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- .---- -.. .-- ---
CW Weight: 41 units(Heavy (slower to send))
Voice Phonetics
Whiskey One Delta Whiskey Oscar
Readability: 8/10(High readability)
License History
- License IssuedJan 6, 2026
- Vanity Callsign GrantedJan 6, 2026
Vanity Application Activity
Competing applications filed with the FCC for this callsign.