Television Infrared Observation Satellite (TIROS)
2021-03-11 13:31:44.0 [tstevens] update Definition (https://science.nasa.gov/missions/tiros);
2021-11-30 09:35:01.0 [tstevens] Move Concepts delete broader relation (null); add broader relation (TIROS-4 [d6369522-f750-4946-9946-2d2ed6ce56b5,826788] - Earth Observation Satellites [3466eed1-2fbb-49bf-ab0b-dc08731d502b,826121]);
2021-03-11 13:31:21.0 [tstevens] insert AltLabel (id: null category: primary text: Television Infrared Observation Satellite-4 language code: en); insert Definition (id: null text: Objectives: Continued research into and development of the meteorological satellite information system. This mission was designed to maintain an operational TIROS in orbit for an extended period of time and to obtain improved data for operational use in weather forecasting during the northern hemisphere hurricane season. Description: The spacecraft was 42 inches in diameter, 19 inches high and weighed 285 pounds. The craft was made of aluminum alloy and stainless steel and was then covered by 9260 solar cells. The solar cells served to charge the 63 on-board batteries. A new lens system was implemented for this launch. The lens was designed to reduce distortion and improve resolution. This craft also contained an electronic clock to control the operations of the infrared horizon sensor as well as the magnetic orientation control system. A magnetic tape recorder was still provided for each camera to store photographs while the satellite was out of range of the ground station network. One scanning and two non-scanning radiometers were also on board. The transmitting and receiving antennas were of the same configuration as the previous TIROS models. TIROS-4 pictures were the best to date, allowing the US Weather Bureau to initiate an international facsimile transmission network in order to share the cloud pictures with weather services around the world. language code: en);
TIROS-4
Objectives: Continued research into and development of the meteorological satellite information system. This mission was designed to maintain an operational TIROS in orbit for an extended period of time and to obtain improved data for operational use in weather forecasting during the northern hemisphere hurricane season. Description: The spacecraft was 42 inches in diameter, 19 inches high and weighed 285 pounds. The craft was made of aluminum alloy and stainless steel and was then covered by 9260 solar cells. The solar cells served to charge the 63 on-board batteries. A new lens system was implemented for this launch. The lens was designed to reduce distortion and improve resolution. This craft also contained an electronic clock to control the operations of the infrared horizon sensor as well as the magnetic orientation control system. A magnetic tape recorder was still provided for each camera to store photographs while the satellite was out of range of the ground station network. One scanning and two non-scanning radiometers were also on board. The transmitting and receiving antennas were of the same configuration as the previous TIROS models. TIROS-4 pictures were the best to date, allowing the US Weather Bureau to initiate an international facsimile transmission network in order to share the cloud pictures with weather services around the world.