SPOT satelliteAs the first human exploration of the Earth resources satellites of Europe developed based on international cooperation of the national space Institute, France (Centre NATIONAL D ' E'TUDES SPTIALS-CNES) with Belgium and Sweden. Satellite SPOT HRV data recording devices contain 2 or more cameras in orbit at different height. The satellite is designed to be capable of providing better ground-details. That is, different areas in multiple camera systems range 20-metre waves and the wave range system.10 metre Side imaging devices, so it can take several days repeating the original phapboriwen can be made 3D (Stereo image). in addition, it can also be compared to a map scale of 1: 50000 automatically.During this current until 2529 (1986) There are four SPOT satellites sent into orbit, respectively. As follows:SPOT-1 sent into orbit on February 22, there are approximately 1750 kg weight, 2529 (1986) size 2x2xNN3D5 m has long been Sun's energy Panel 15.6 meters. orbital order in relation to the Sun. 97-degree tilt angle in elevation 830 km, orbiting over the Equator at about 10.30 pm and khotroklap from the original recording, there are 26 days phapboriwen every khotronop band 1 369-SPOT cycle world contains a satellite. Camera system and a remote signal system. Camera system consists of a camera system HRV is several ranges of 2 waves and wave-only range can be used to record both the 2 systems simultaneously.SPOT-2 sent into orbit on January 22 2533 (1990) has properties similar to SPOT-SPOT section 1-3 obstacles cannot perform since 2529 (1986) was until the apical 2539 (1996) image data received from the satellite SPOT 5 million both this samduang more images covering an area of 60 x 60 km 2. In the period of 12 years service.SPOT-4 has been developed to use in the present and is designed to have better performance in earlier versions of the SPOT satellites are.-Add Infrared waves range shortwave (Short wave infrared) came to be divided.Plants out of the soil better.-Added ability to save data.-Add a device for recording information about plants in wide angle (angle Wide vegetation instrument) can be traced to the world's rainforest, and is covered in a short period is on a daily basis.-Improve data recording position. The data recorder's satellite system, DORISEnvironmental scientists interested in adding a mirror to SPOT because of the system on the HRV devices, recording devices. Point angle + 27° c with dose surveys Cause an advantage to three reasons:
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