Telecommunications

Star Tracker Star Tracker is an optical attitude sensor that determines spacecraft orientation by identifying stars in its field of view and comparing observed star positions with an internal catalog to compute… Hardware Stateful Inspection Stateful Inspection is security inspection that evaluates traffic in the context of an existing connection or session state. It uses remembered context to guide policy. Software Stateless Communication Stateless Communication is communication in which each message is handled independently without relying on stored session context. Protocol Station Keeping Station Keeping is the operational process of maintaining a spacecraft or satellite within its assigned orbital position and attitude limits through periodic maneuvers and corrections. Operations Storm Avoidance Data Link Storm Avoidance Data Link is the communications link used to transmit storm-avoidance advisories, forecasts, or route changes to Maritime operators. It supports safety-aware navigation and enables timely operational response to… Protocol Submarine Cable A fiber-optic cable laid across an ocean or sea floor connecting continents or islands, using DWDM to maximize usable capacity per fiber pair, terminating at coastal landing stations that connect… Hardware Subnet Mask Subnet Mask is a bitmask used to separate the network and host portions of an IP address in IPv4 and similar address structures. It defines the subnet boundary. Protocol Synchronous Transmission Synchronous Transmission is transmission that uses a shared timing reference so sender and receiver remain aligned during communication. It depends on coordinated timing. Protocol System Noise Temperature System Noise Temperature is a measure of the total noise contribution of a receiver system expressed as an equivalent temperature. Hardware TCP-IP Stack TCP-IP Stack is the layered set of protocols used to transmit data across IP networks from application level down to network transport and routing functions. Protocol