All-aspect

•  Global Positioning System

  The Global Positioning System (GPS) is a U.S. space-based global navigation satellite system. It provides reliable positioning, navigation, and timing services to worldwide users on a continuous basis in all weather, day and night, anywhere on or near the Earth which has an unobstructed view of four or more GPS satellites. GPS is made up of three segments: Space, Control and User.

  

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•  MISTRAM

  MISTRAM (MISsile TRAjectory Measurement) was a high-resolution tracking system used by the United States Air Force to provide highly detailed trajectory analysis of rocket launches. A "classic" ranging system used since the 1960s uses radar to time a radio signal's travel to a target (in this case, the rocket) and back. This technique is accurate to approximately 1%.

  

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•  Inertial navigation system

  An Inertial Navigation System (INS) is a navigation aid that uses a computer, motion sensors and rotation sensors to continuously calculate via dead reckoning the position, orientation, and velocity (direction and speed of movement) of a moving object without the need for external references. It is used on vehicles such as ships, aircraft, submarines, guided missiles, and spacecraft.

  

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•  Wire-guided missile

  A wire-guided missile is a missile that is guided by signals sent to it via thin wires connected to both the missile and its guidance mechanism, which is located somewhere near the launch site. As the missile flies, the wires are reeled out behind it. This guidance system is most commonly used in anti-tank missiles, where its ability to be used in areas of limited line-of-sight make it useful, while the range limit imposed by the length of the wire is not a serious concern.

  

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•  SACLOS

  SACLOS (short for Semi-Automatic Command to Line of Sight) is a second-generation method of missile guidance. In SACLOS, the operator has to continually point a sighting device at the target while the missile is in flight. Electronics in the sighting device and/or the missile then guide it to the target. There are two common ways SACLOS can work:

  

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•  MCLOS

  MCLOS (short for Manual Command to Line of Sight) is a first-generation method for guiding guided missiles. With an MCLOS missile, the operator must track the missile and the target simultaneously and guide the missile to the target. Typically the missile is steered with a joystick, and its path is observed through a periscope-type telescopic sight.

  

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•  Semi-active radar homing

  Semi-active radar homing, or SARH, is a common type of missile guidance system, perhaps the most common type for longer range air-to-air and surface-to-air missile systems. The name refers to the fact that the missile itself is only a passive detector of a radar signal – provided by an external (“offboard”) source — as it reflects off the target. NATO brevity code for a semi-active radar homing missile launch is Fox One.

  

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•  Missile guidance

  Missile guidance refers to a variety of methods of guiding a missile or a guided bomb to its intended target. The missile's target accuracy is a critical factor for its effectiveness. Guidance systems improve missile accuracy by improving its "Single Shot Kill Probability" (SSKP). These guidance technologies can generally be divided up into a number of categories, with the broadest categories being "active," "passive" and "preset" guidance.

  

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•  Laser designator

  A laser designator is a laser light source which is used to designate a target. Laser designators provide targeting for laser guided bombs, missiles, or precision artillery munitions, such as the Paveway series of bombs, Lockheed-Martin's Hellfire, or the Copperhead round, respectively. When a target is marked by a designator, the beam is invisible and does not shine continuously. Instead, a series of coded pulses of laser-light are fired.

  

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•  Beam riding

  Beam-riding, also known as beam guidance, is a technique of directing a missile to its target by means of radar or a laser beam. It is one of the simplest forms of guidance using radar or lasers. The main use of this kind of system is to destroy airplanes or tanks. First, an aiming station (possibly mounted in a vehicle) in the launching area directs a narrow radar or laser beam at the enemy aircraft or tank.

  

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•  Jeep four wheel drive systems

  Command-Trac (NP/NV-231 or NP-207) was introduced along with the Jeep Cherokee (XJ) in 1984. The system offers a chain-driven, aluminum, "shift-on-the-fly" transfer case. The "shift-on-the-fly" feature provides manual ease and assist while engaging 4wd. Command-Trac should only be driven in 4wd on low traction surfaces due to the front and rear axles being locked together (no differential action in the transfer case). Driving in 4wd on dry pavement causes excessive wheel and drivetrain wear.

  

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•  Shijiazhuang TV Tower

  Shijiazhuang TV-tower is a 280 metres (919 feet) tall free standing lattice tower used for communication built in 1998 in the city of Shijiazhuang, China.

  

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•  Mick Murphy (Tipperary hurler)

  Michael 'Mick' Murphy (born 1940) is a former Irish sportsperson. He played senior hurling with Tipperary from 1960 until 1964.

  

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• Universities in Bhutan by likeorhate
•  Rhayader Town FC

  

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