W1SDC
Active1x3District 1
Competitive callsign — 1 application filed with the FCC.
License HolderColburn, Samuel D
License ClassGeneral
Min. Class RequiredGeneral
LocationNorton, MA
Grant DateJul 24, 2018
Expiration DateJul 24, 2028
W1SDC is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Colburn, Samuel D in Norton, MA. 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 Colburn, Samuel D on Jul 6, 2018. W1SDC has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- .---- ... -.. -.-.
CW Weight: 36 units(Moderate)
Voice Phonetics
Whiskey One Sierra Delta Charlie
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedJun 16, 2022
- License IssuedJul 24, 2018
- Vanity Callsign GrantedJul 24, 2018
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Colburn, Samuel DFiled Jul 6, 2018Not awardedFCC ↗