antenna tracking
71Lunar Prospector — LunarOrbiter Name=Lunar Prospector Organization=NASA Contractors=Discovery Program MissionType=Planetary Science LaunchDate=January 7, 1998 at 02:28:44 UTC LaunchVehicle=Athena II MissionHighlight=Entered lunar orbit January 11, 1998, 10:28 UTC… …
72Mount Pleasant Radio Observatory — 26 metre Radio Telescope …
73Minitrack — The Minitrack Network, was the first U.S. satellite tracking network to become operational, in 1957. It was used to track the flights of Sputnik, Vanguard, Explorer, and other early space efforts. Minitrack was the progenitor of Spacecraft… …
74Chinese space program — This article is about the Chinese space program in general. For the current Chinese space agency since 1993, see China National Space Administration. The launch of Tianlian, Xichang Center The space program of the People s Republic of China is… …
75List of radars — This is a list of radars. A radar is an electronic system used to detect, range (determine the distance of), and map various types of targets. United States Military Naval Early S band RADAR DesignationsMacintyre, Donald, CAPT RN Shipborne Radar… …
7622d Space Operations Squadron — The 22d Space Operations Squadron (22 SOPS) is a United States Air Force unit of the 50th Network Operations Group, itself a part of the 50th Space Wing, and is located at Schriever Air Force Base, Colorado. 22 SOPS develops, publishes, executes …
77Phased array — This article is about general theory and electromagnetic phased array. For the ultrasonic and medical imaging application, see phased array ultrasonics. In wave theory, a phased array is a group of antennas in which the relative phases of the… …
78Ultra-wideband — (aka UWB, ultra wide band, ultraband, etc.) is a radio technology that can be used at very low energy levels for short range high bandwidth communications by using a large portion of the radio spectrum. UWB has traditional applications in non… …
79Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
80Near-field electromagnetic ranging — (NFER) refers to any radio technology employing the near field properties of radio waves as a Real Time Location System (RTLS). Contents 1 Overview 2 Technical Discussion 2.1 Advantages …
