K4SDM
Unknown1x3Zone 4
License HolderSPRAGUE, DAVID M
License ClassGeneral
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ModifiedOct 18, 2021
- License IssuedJun 13, 2020
- Vanity Callsign GrantedJun 13, 2020
- License CanceledMar 1, 2011
- License ModifiedFeb 8, 2011
- License ModifiedJan 6, 2011
- License IssuedJan 4, 2011
- Vanity Callsign GrantedJan 4, 2011
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
No competing applications detected. Monitor the FCC ULS application search to verify before filing.