Search wiki using Sphinx

Jump to: navigation, search

... payloads in 22 successive launchings. "The Vanguard Program Vanguard program, too, besides giving birth to Delta was probably one of the most economical buys of the U.S. space program. Originally ... but also for setting up the worldwide Minitrack network used in Project Mercury , "Improvements in Delta from 1960 to the present involved using more energetic propellants, lengthening the second-stage tanks ...

... . NASA Administrator James C. Fletcher and Deputy Administrator George M. Low participated in the event. Delta placed NASA's first communications satellite (Echo 1) into orbit 12 Aug. 1960; through January 1976, 119 Deltas had been launched. The Delta's reliability and economy had made it the primary vehicle for commercial spacecraft ...

... _3\end bmatrix ^T is the three-element angular rate and \Omega(\omega) \overset \Delta = \begin bmatrix - \begin bmatrix \omega \times \end bmatrix &\omega\\- \omega^T&0\end bmatrix '''(II ... >E \begin Bmatrix \cdot \end Bmatrix is the expectation operator, \ \delta (t - \tau) is the Diract delta function, \sigma_ \upsilon,u ^2 are the noise variances and ...

... based on findings of Failure Review Board which had investigated failures of Delta 71 (July 25) and Delta 73 (Aug. 27). Delta 71, carrying Intelsat-III F-5, had failed because of motor case rupture or nozzle failure; Delta 73, carrying Pioneer E, had failed because of vibrating relief valve which caused hydraulic oil ... tested and selected valves, and new acceptance tests of hydraulic system. Next mission scheduled with Delta was U.K.'s Skynet comsat Nov. 21. ''(NASA Release 69-152)'' NASA announced selection ...

... : Bell Telephone Laboratories design and build satellites at own expense; AT&T reimburse NASA for Delta launch vehicles, launch, and tracking services (approximately $3 million per launch); Bell System conduct the ... Technology. Launching of TELSTAR marked tenth straight successful flight of the 3-stage Delta rocket. The history of Delta goes back to the Thor-Able and the earlier Vanguard, from which it ...

... House Committee on Science and Astronautics' Subcommittee on Space Science and Applications that the Thor-Delta launch vehicle improvement program begun in 1971 was nearing completion. The most modern Thor ... , but RCA Corp. had determined that a 30% to 35% increase in the 2914 Thor-Delta capability would permit a 24-channel, rather than the usual 12-channel, satellite to be ... reimburse NASA for technical direction. NASA had not agreed to make the new 3914 Thor-Delta a part of its launch family but probably would do so following successful proof flight ...

... , Vice President for the Boeing Evolved Expendable Launch Vehicle and Delta IV Programs. Since 1996, Kennedy had been Vice President of Delta III and had shown "his ability to manage launch vehicle ... Titan Programs. Kennedy had joined Boeing in 1970, working on the Skylab , Saturn SIVB, Titan, Delta, SPACEHAB , and ISS programs. February 1998 February March 1998 March Mar 1 1998 1 Mar ...

... . (EST) at Cape Canaveral Air Force Station in Florida. The Delta 4 , a “Medium+” configuration of Boeing 's five-member Delta 4 family of rockets, deployed Eutelsat's (European Telecommunications Satellite Organization's) commercial telecommunications satellite W5 into geosynchronous transfer orbit. During the next scheduled Delta 4 launch~the first mission for the EELV program~the Air Force planned to use ...

... = \textbf J \begin Bmatrix \frac k 2 \begin bmatrix \parallel\delta q\parallel (\omega_c - \omega) - sign (\delta q) \delta e \times (\omega + \omega_c) \end bmatrix + \overset\cdot \omega _c - \textbf G \overline s ... _\omega '''(IV.4a)''' \textbf s = (\omega - \omega_c) + ksign (\delta q) \delta e '''(IV.4b)''' Here, \delta q = q \otimes q_c^ -1 is the error quaternion,

... -F Squared Crew Compartment Fit and Function - CCIG Cold Cathode Ion Gauge experiment - CDH Constant Delta Height - CDR Commander - CDU Coupling Data Unit - CERES Clouds and the Earth's Radient Energy ... Degree - degrees C degrees Celsius (centigrade) - degrees F degrees Fahrenheit - Delta H Height Difference - Delta P Pressure Difference - Delta T Time Difference - Delta V Change in Velocity - DESC Descent - DET Detent or Detector or ...

Powered by Sphinx