Search wiki using Sphinx

Jump to: navigation, search

... /67,1,15)'' US. officials were studying possibility of live television coverage via Intelsat II-C comsat of Latin American summit conference in Punta del Este, Uruguay, April 12 ... John H. Chapman, Deputy Superintendent of the Defence Research Telecommunications Establishment, told Toronto Globe & Mail. Isis-A would measure characteristics of the ionosphere. ''(Toronto Globe & Mail, 3/24/67,29)'' ...

... successfully completed first of two planned orbit adjustments to place NASA's LUNAR ORBITER II and III spacecraft in favorable position for major lunar eclipse April 24. Adjustment, ... Defence Research Telecommunications Establishment experiment to determine in conjunction with an overpass of an Isis satellite: vertical distribution of flux and energy spectra of soft electrons during a mild ...

... they orbited in close proximity, Both the 323-lb. ALOUETTE II and the 218-lb. EXPLORER XXXI were performing well. Called Isis-X, the double-launch project was first in a new NASA-DRB (Canadian Defense Research Board) program for International Satellites for Ionospheric Studies (Isis). ''( NASA Release 65-355; Goddard Space Flight Center GSFC )'' Lights flashing earthward from 1,000 ...

... ) perigee, 113.5-min period, and 88.2° inclination. Primary NASA objectives were to place Isis 2 into circular earth orbit that would permit study of topside of ionosphere above electron ... was operating satisfactorily and was expected to be fully operational by April 17. Canadian-built Isis 2 was eight-sided spheroid that weighed 264 kg (582 lbs), was 127 cm (50 ... ) had orbited Canada's Alouette 2 and U.S. Explorer 31 . Isis 1 had been launched Jan. 30, 1969. Isis program was joint undertaking of NASA and Canadian Defence Research Board (DRB ...

... announced reaching agree­ment for joint multi-satellite ionosphere-monitoring research program, designated Isis (International Satellites for Ionospheric Studies). Agreement called for orbiting of a second Alouette ... obtain coordinated direct measurements. ''(NASA Release 64-6)'' Static test-firing of Titan II at Cape Kennedy postponed for a week, this second postponement due to failure ...

... Alouette 1 Sept. 28, 1962. All four spacecraft were operational and were providing useful data. Isis program had acquired wealth of knowledge on worldwide morphology of topside ionosphere, virtually unknown region before Alouette-Isis program, and in discoveries in plasma physics and radio-wave propagation. ''(NASA proj off)'' Bellcomm ...

... include three Tiros weather satellites, Explorer (IMP-G), Canadian International Satellite for Ionospheric Studies (ISIS), Nimbus weather satellite, and Thor-Agena (OGO-F) mission to test experimental ion-thruster. ... 3.760 billion. ''(CR, 1/22/69, S659-60)'' Saturn V 2nd stage ( SATURN II S-II -7) was successfully captive fired for full flight duration, 369 secs, by North American ...

... , 1; Wilford, NYT, 12/11/65, 1, C54)'' NASA announced EXPLORER XXXI and Canadian ALOUETTE II , launched together on the same booster Nov. 28, were functioning as planned. EXPLORER XXXI 's apogee was less than a mile higher than ALOUETTE II 's and its perigee less than a mile lower. Orbits were some 1,850 mi ... .5 km.) at apogee and 310 (499 km) at perigee. The 13 experiments on the ISIS satellites were working well with excellent data on the ionosphere being obtained. ''(NASA Release 65 ...

... come in to handle simulations and human factors, and DSMA would handle the test equipment. ii Despite NASA having instigated this foreign involvement in the shuttle, American industry was dead set ... this new satellite would operate on some of the principles already well understood from the ISIS and Alouette top-sounders. Certainly the wavelengths were different, but the principle of reflecting an ...

... check out instrumentation to be carried later in 1968 on International Satellite for Ionospheric Studies ''(ISIS A)'', Canada's third ionosphere-probing satellite, and to confirm results of similar 1967 launch ... thermal gradients in vicinity of a skin depression. Launch was conducted when Canada's Alouette II was passing overhead, to permit comparison of data telemetered to earth by both vehicles. ...

Powered by Sphinx