DS/GS stands for Direct Support/General Support
DS/FH-CDMA stands for Direct-Sequence/Frequency-Hopping Code Division Multiple Access
DS/FH SSMA stands for Direct-Sequence/Frequency-Hopped Spread Spectrum Multiple Access
DS/FH stands for Direct-Sequence/Frequency-Hopping
DS/FFH stands for Direct Sequence/Fast Frequency Hopping
DS/SFH stands for Direct Sequence/Slow Frequency Hopping
DS/SSMA stands for Direct Sequence/Spread Spectrum Multiple Access
DS/USA stands for Disabled Sports USA
DS0 stands for Digital Signal 0 - 64 Kbps channel