Badr Satellite Program
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Home > Art, Film & Photography > Badr Satellite Program: Badr-1, Badr-4, Badr-6
Badr Satellite Program: Badr-1, Badr-4, Badr-6

Badr Satellite Program: Badr-1, Badr-4, Badr-6


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About the Book

Purchase includes free access to book updates online and a free trial membership in the publisher's book club where you can select from more than a million books without charge. Not illustrated. Excerpt: Badr-1 was a first digital communication satellite launched by Pakistan's SUPARCO in 1990. Badr-1 Communication Satellite was Pakistan's first indigenously developed Digital Communications Experimental satellite. Badr-1 which means "New Moon-1" in Urdu language; the satellite was planned to launch in 1986 from Sonmiani Satellite Launch Center but was postponed due to political and economic reasons. The Satellite was finally launched in 1990 from Xichang Satellite Launch Center, China, aboard a Long March 2E. According to the SUPARCO's Media Center, the satellite successfully completed its designed life. The satellite was slightly bigger than Soviet Sputnik 1 satellite in size. Badr-1 was a indigeniously built and developed satellite of Pakistan. The major contractor was SUPARCO. The satellite shaped as a polyhedron with 26 surfaces or facets, was about 20 inches in diameter. The power supply, with a mass of 52 kg. The satellite was powered with solar power panels with a 12.5 W electricity. The satellite was designed in SUPARCO Satellite Control Center at Lahore. The satellite had one radio channel for digital store-and-forward communications. A transponder uplink was near 435 MHz, and the downlink was near 145 MHz. The telemetry beacon was near 145 MHz. Data from 32 telemetry channels, including information from 9 temperature sensors, 16 current sensors, and 5 voltage sensors, was stored in an 8k memory bank and transmitted at 1200, 600, 300 and 150 baud. Originally designed for a circular orbit at 250-300 miles altitude, Badr-1 actually was inserted by the Long March rocket into an elliptical orbit of 127-615 miles. The cost of development and preparation of satellite was no more than Rs. 1.2 million. The satellite was plan... More: http://booksllc.net/?id=4318261


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Product Details
  • ISBN-13: 9781158303502
  • Publisher: Books LLC
  • Publisher Imprint: Books LLC
  • Height: 152 mm
  • No of Pages: 22
  • Spine Width: 1 mm
  • Weight: 45 gr
  • ISBN-10: 1158303505
  • Publisher Date: 20 Jun 2010
  • Binding: Paperback
  • Language: English
  • Returnable: N
  • Sub Title: Badr-1, Badr-4, Badr-6
  • Width: 229 mm


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