The SPOT Satellite Messenger is a personal satellite communication device designed to provide users with a means of communication when they are outside of traditional cellular coverage areas. It allows users to send messages and alerts for various purposes, such as notifying friends and family of their location, requesting assistance, or checking in during outdoor activities like hiking, camping, or boating.
SWEPOS, or the Swedish Permanent GNSS Network, is a network of permanent Global Navigation Satellite System (GNSS) stations in Sweden. It is designed to provide accurate, real-time positioning information for various applications, including surveying, mapping, construction, and geospatial studies. The network helps users access high-quality positioning data through differential GPS (DGPS) and Real-Time Kinematic (RTK) positioning techniques.
SailTimer is a marine navigation technology that aids sailors in optimizing their routes and improving sailing efficiency. Developed by a company called SailTimer Inc., the system typically includes devices such as wind and GPS sensors that provide real-time data on wind speed, direction, and the boat's position. This information helps sailors make informed decisions about the best sailing routes, taking into account factors like current, wind conditions, and tide.
Satmap is a brand known for producing outdoor navigation devices, particularly handheld GPS units designed for activities like hiking, cycling, and mountaineering. Their devices often feature high-resolution maps, route planning capabilities, and long battery life, making them suitable for outdoor enthusiasts needing reliable navigation tools in remote areas. Satmap products are typically rugged and weather-resistant, catering to the needs of adventurers who require accurate tracking and mapping services while exploring various terrains.
Securus, Inc. is a technology company that provides communication and software solutions primarily for the correctional and public safety sectors. The company is best known for its telecommunication services offered to inmates and their families, which include phone calls, video visitation, and messaging services. Securus also provides emergency response systems and investigative tools for law enforcement agencies.
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.
Shadow matching is a perceptual and cognitive task or technique often used in psychology and cognitive science. In this context, it typically refers to activities where individuals must identify or match an object, image, or pattern based on its silhouette or shadow rather than its full visual features.
SiRF, which stands for "Silicon GPS Receiver," refers to a company that specialized in the design and manufacturing of GPS (Global Positioning System) receiver chipsets and related technologies. Founded in the late 1990s, SiRF made significant contributions to the integration of GPS functionality into mobile devices, allowing them to determine their location using satellite signals. The company developed several notable GPS chipset solutions that were widely used in consumer electronics, automotive navigation systems, and various applications requiring location-based services.
SiRFstarIII is a GPS (Global Positioning System) navigation chipset developed by SiRF Technology, which was acquired by Qualcomm in 2009. It is part of the SiRFstar series of GPS chipsets and is known for its high sensitivity, low power consumption, and improved performance in urban environments and areas with obstructed signals, such as between tall buildings or under foliage. The SiRFstarIII chipset utilizes advanced signal processing techniques to enhance the accuracy and reliability of GPS positioning.
SiReNT, which stands for "Silicon Reservoir Nanochannel Transistor," is a type of transistor technology that is being explored for applications in advanced electronic devices. It is often discussed in the context of semiconductor research and development, particularly for its potential to enhance the performance and efficiency of transistors in integrated circuits. The concept involves utilizing silicon-based materials and structures to create nanochannels that can improve the flow of electrical current and reduce power consumption.
The Spartan Packet Radio Experiment, often referred to as Spartan or SPARTAN, was a project developed to demonstrate the feasibility of using packet radio technology for communication and data transfer in a space environment. Specifically, it was linked to various educational and outreach initiatives, enabling students and amateur radio operators to engage in hands-on learning and experimentation with radio communications.
Telematics is a field that combines telecommunications, vehicle technology, and monitoring systems to collect and transmit data from remote objects, such as vehicles, to a central system for analysis and management. It encompasses the use of GPS (Global Positioning System) to track vehicle location, as well as various onboard sensors and systems that monitor aspects such as speed, fuel consumption, engine performance, and driver behavior.
Telogis is a software company that provides fleet management and location intelligence solutions. Founded in 2001 and headquartered in Aliso Viejo, California, Telogis specializes in GPS vehicle tracking, telematics, and field service management. Its platform helps businesses optimize their fleet operations by offering tools for route optimization, driver behavior monitoring, compliance, and vehicle maintenance.
Time to First Fix (TTFF) is a term commonly used in the context of satellite navigation systems, such as GPS, to describe the duration it takes for a receiver to establish a location fix after it is turned on or loses its signal. In detail, TTFF can be influenced by various factors, including: 1. **Cold Start:** This is when the receiver has no prior information about its location or the current satellite positions.
TopoFusion is a software application designed for outdoor enthusiasts, particularly those involved in hiking, mountain biking, and other outdoor activities. It provides users with tools to plan, analyze, and navigate trails and routes using topographic maps and satellite imagery. Key features of TopoFusion may include: - **Map Visualization**: Users can view and interact with detailed topographic maps, satellite imagery, and aerial photographs to better understand the terrain.
US Fleet Tracking is a company that provides GPS fleet tracking and vehicle management solutions. It offers various services that help businesses keep track of their vehicles in real time, optimize fleet operations, and improve overall efficiency. The features typically include vehicle location tracking, route optimization, driver behavior monitoring, maintenance alerts, and reporting tools. The systems are designed to help companies, especially those with large vehicle fleets, reduce operational costs, enhance safety, improve customer service, and ensure compliance with regulations.
United States v. Jones (2012) is a significant Supreme Court case that addressed the issue of privacy and the Fourth Amendment in the context of GPS tracking by law enforcement. The case involved Antoine Jones, who was suspected of drug trafficking. The FBI placed a GPS tracking device on his vehicle without a warrant while he was in Washington, D.C. The FBI monitored Jones's movements for 28 days, which helped them gather evidence to support criminal charges against him.