Search results
Results from the WOW.Com Content Network
Argos is a global satellite-based system that collects, processes, and disseminates (spreads, distributes) environmental data from fixed and mobile platforms around the world. [1] The worldwide tracking and environmental monitoring system is the results from Franco-American cooperation.
The Argos crew included Sarmento de Beires , Duvalle Portugal , Jorge de Castilho and Manuel Gouveia . The Argos took off from the Tagus river near the Alverca military airbase , on the March 7, 1927 and arrived in Casablanca , Morocco on the same day.
Gyro gunsights developed for aircraft of the Second World War displayed a reticle that compensated for target lead. Modern fighter aircraft have automated deflection sights, where a computer calculates lead and projects the solution onto a head-up display (HUD). The visual assistance with targeting the gun is offset by the speed and agility of ...
The Adcock antenna is an antenna array consisting of four equidistant vertical elements which can be used to transmit or receive directional radio waves. The Adcock array was invented and patented by British engineer Frank Adcock and since his August 1919 British Patent No. 130,490, the 'Adcock Aerial' has been used for a variety of ...
The 10-meter band was allocated on a worldwide basis by the International Radiotelegraph Conference in Washington, DC, on 4 October 1927. [2] Its frequency allocation was then 28-30 MHz.
A gyro gunsight (G.G.S.) is a modification of the non-magnifying reflector sight in which target lead (the amount of aim-off in front of a moving target) and bullet drop are calculated automatically. The first examples were developed in Britain just before the Second World War for use during aerial combat , and more advanced models were common ...
Before he embarked on a 13-season NFL career that included a Super Bowl title and a Pro Football Hall of Fame recognition, Bettis played three seasons at Notre Dame as a fullback from 1990-93.
The Cornell University Satellite (CUSat) is a nanosatellite developed by Cornell University that launched on 29 September 2013. It used a new algorithm called Carrier-phase Differential GPS (CDGPS) to calibrate global positioning systems to an accuracy of 3 millimeters.