SATELLITES-------
TIROS-TIROS III-------
TIROS-TIROS III-------
SPACECRAFT 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 then covered by 9260 solar cells. The solar cells served to charge the nickel-cadmium batteries.
Three major changes were made from the previous TIROS models. Two wide angle television cameras were housed in the craft in place of one high resolution and one low resolution camera. A new infrared experiment and improved remote control programmers were also new additions. This craft contained an electronic clock to control the operations of the infrared horizon sensor as well as the magnetic orientation 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 antennas were of the same configuration as both previous TIROS models.
The spacecraft was 42 inches in diameter, 19 inches high and weighed 285 pounds. The craft was made of aluminum alloy and stainless steel then covered by 9260 solar cells. The solar cells served to charge the nickel-cadmium batteries.
Three major changes were made from the previous TIROS models. Two wide angle television cameras were housed in the craft in place of one high resolution and one low resolution camera. A new infrared experiment and improved remote control programmers were also new additions. This craft contained an electronic clock to control the operations of the infrared horizon sensor as well as the magnetic orientation 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 antennas were of the same configuration as both previous TIROS models.
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