AD0SS
Cancelled2x2District 0
Competitive callsign — 1 application filed with the FCC.
License HolderValliant, William F
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationGrandview, MO
Grant DateFeb 24, 2016
Cancellation DateJun 17, 2025
Available for ApplicationsJun 18, 2027
AD0SS is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Valliant, William F in Grandview, MO. 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 DOSS, ROBERT D on Nov 13, 2007. AD0SS has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- -.. ----- ... ...
CW Weight: 30 units(Light (fast to send))
Voice Phonetics
Alpha Delta Zero Sierra Sierra
Readability: 6.5/10(Good readability)
Available Jun 18, 2027 (280 days remaining)
Requires General license or higher to apply for this callsign format (2x2).
License History
- License CanceledJun 17, 2025
- System-Generated GrantFeb 24, 2016
- License IssuedFeb 24, 2016
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- DOSS, ROBERT DFiled Nov 13, 2007Not awardedFCC ↗