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Identification, friend or foe ( IFF) is a combat identification system designed for command and control. It uses a transponder that listens for an interrogation signal and then sends a response that identifies the broadcaster. IFF systems usually use radar frequencies, but other electromagnetic frequencies, radio or infrared, may be used. [1]
The AN/PSN-13 Defense Advanced GPS Receiver ( DAGR; colloquially, " dagger ") is a handheld GPS receiver used by the United States Department of Defense and select foreign military services. It is a military-grade, dual-frequency receiver, and has the security hardware necessary to decode the encrypted P (Y)-code GPS signals .
The Global Positioning System ( GPS ), originally Navstar GPS, [2] is a satellite-based radio navigation system owned by the United States government and operated by the United States Space Force. [3] It is one of the global navigation satellite systems (GNSS) that provide geolocation and time information to a GPS receiver anywhere on or near ...
GLONASS ( ГЛОНАСС, IPA: [ɡɫɐˈnas]; Russian: Глобальная навигационная спутниковая система, romanized: Global'naya Navigatsionnaya Sputnikovaya Sistema, lit. 'Global Navigation Satellite System') is a Russian satellite navigation system operating as part of a radionavigation-satellite service ...
Called 2024 MK, the space rock will make its closest approach to Earth Saturday morning, passing by at about three-quarters the distance from Earth to the moon. A 7,579-foot (2,310-meter) asteroid ...
Apple unveiled a host of software updates for its most important software offerings, including iOS, the operating system that powers the iPhone, iPadOS, watchOS, macOS, and more.
Officials said the driving agenda behind the call on Sunday, which was organized at the request of the U.S., was to encourage the G7 countries to use any tactic available to them to push Iran and ...
Automatic Packet Reporting System ( APRS) is an amateur radio -based system for real time digital communications of information of immediate value in the local area. [1] Data can include object Global Positioning System (GPS) coordinates Non-directional beacon, weather station telemetry, text messages, announcements, queries, and other telemetry.