Selective Availability Anti-Spoofing Module (SAASM) is a system used primarily in the context of Global Positioning System (GPS) technology, specifically in military applications. It enhances the security and reliability of GPS signals. Here are some key points about SAASM: 1. **Selective Availability (SA)**: Initially, GPS signals included a feature called Selective Availability, which intentionally degraded the accuracy of civilian GPS signals to protect military operations.
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