KS4XO
Unknown2x2Zone 4
License HolderARMSTRONG JR, RICHARD W
License ClassAdvanced
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (2x2).
License History
- License RenewedDec 28, 2021
- Administrative Update AppliedMar 14, 2020
- License RenewedNov 22, 2011
- License ModifiedApr 12, 2004
- Administrative Update AppliedJul 9, 2002
- Tax ID (TIN) AddedOct 2, 2001
- License RenewedOct 2, 2001
- Tax ID (TIN) AddedOct 2, 2001
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.