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... and within large sec- dons of magnetosphere. Secondary objectives were to demonstrate technological capability of OGO's three-axis stabilization system in highly elliptical orbit for extended operations of 135 days ... ; four Government centers; and two private companies. Ogo V joined three other operational OGOs-Ogo I ''(launched Sept. 4, 1964)'', Ogo III ''(launched June 6, 1966)'', and Ogo IV ''(launched July 28, 1967)''-in providing ...

... , and 5 private companies. OGO VI joined four other operational OGO's - OGO I (launched Sept. 4, 1964), OGO III (launched June 6, 1966), OGo IV (launched July 28, 1967), and OGO V (launched March 4 ... trapped radiation regions; first observation of daylight auroras; and first worldwide map of airglow distribution. OGO program was managed by Goddard Space Flight Center GSFC under OSSA direction. Lewis Research Center ...

... Orbiting Geophysical Observatory ( Orbiting Geophysical Observatory OGO ) program. Orbiting Geophysical Observatory OGO I was launched Sept. 4,1964; Orbiting Geophysical Observatory OGO II, Oct. 14, 1965; and Ogo III, June 7, 1966. To date ... environment and had resulted in over 100 scientific papers and published reports. Orbiting Geophysical Observatory OGO program was managed by Goddard Space Flight Center GSFC under Office of Space Science and ...

... 20 onboard experiments were not expected to be affected by the malfunction; Orbiting Geophysical Observatory OGO II's solar panels and instrumented booms deployed as planned and the spacecraft achieved three ... stabilization, Second of the seven spacecraft programed for NASA's Orbiting Geophysical Observatory OGO program, Orbiting Geophysical Observatory OGO II weighed 1,150 lb, and contained more than 100,000 parts, including ...

... ABM system." ''(CRY 9/19/67, S13207-9)'' Orbiting Geophysical Observatory ( Orbiting Geophysical Observatory OGO ) satellites, Ogo I , II, III, and IV, transmitted data simultaneously for the first time. Launching dates for four satellites had been : Ogo I, Sept. 4,1964; Ogo II, Oct. 14,1965; Ogo III, June 6, 1966; and Ogo IV, July 28, 1967. ''(NASA Release 67-252 ...

... the time of the eclipse." He said that the Orbiting Geophysical Observatory ( Orbiting Geophysical Observatory OGO ) program would make a major contribution to our understanding of earth-sun- environment relationships and ... of the investigation, design modifications and additional tests are planned for future Orbiting Geophysical Observatory OGO spacecraft. The modifications include: (1) relocation of the horizon scanner and certain boom appendages to ...

... interdisciplinary measurements and global coverage for studies of the near-earth environment. Orbiting Geophysical Observatory OGO I, II, and III were functioning and had obtained useful data. On Sept. 19, all ... at widely separated spatial locations within the magnetosphere. The period of coordinated operation of four OGOs would continue for the next several weeks. ''(NASA Proj Off)'' USAF launched unidentified satellite from ...

... onboard data storage. . . . Good quality magnetic field data” were contributed by the Orbiting Geophysical Observatory OGO II mission to the World Magnetic Survey of the International Quiet Sun Year ( International Quiet Sun Year IQSY ). Results of Orbiting Geophysical Observatory OGO I and Orbiting Geophysical Observatory OGO II missions had proven the operational capability of the spacecraft and underscored the ...

... -hr. period; and 31ø inclination. Third of seven spacecraft in NASA's Orbiting Geophysical Observatory OGO program and first to successfully operate three-axis stabilized in highly elliptical orbit, Orbiting Geophysical ... disturbances, radiation belt particles, aurora events, ionization, and variations in atmospheric density. Orbiting Geophysical Observatory OGO program was managed by NASA Goddard Space Flight Center . ''(NASA Proj. Off.; NASA Release 66 ...

... Committee's NASA Oversight Subcommittee had begun separate inquiries into failures of Orbiting Geophysical Observatory OGO I, II, III, Orbiting Astronomical Observatory OAO I, and NIMBUS I. Questions under investigation included ... " associated with the failures. "Scientifically, we have not had a failure in Orbiting Geophysical Observatory OGO . Something less than 100 percent but more than 75 percent of Orbiting Geophysical Observatory ...

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