What does SDRS stand for?

Seaward-Dipping Reflector Sequence (SAUS)

Shuttle Display Reconfiguration System

Signal Data Recording Set (MCD)

Social Dysfunction Rating Scale - Psychology (DB)

Spache's Diagnostic Reading Scales (EDAC)

Splash Detection RADAR System (MCD)

Square Deal Recordings and Supplies - Commercial firm

Standardized Delay Reporting System - FAA (TAG)