"Xinnuo 1" satellite is the first commercial communication satellite operated by Xinnuo Satellite Communications Co., Ltd. It is equipped with 24 c-band transponders and 14 Ku-band transponders, covering the Asia-Pacific region, including China and surrounding countries. It mainly provides multiple services for users such as the National Financial Electronicization Project, the National Air Traffic Control System, and the Shanghai Information Port Project; the satellite's design life is 15 years.
Before the launch of the "Xinnuo 1" communication satellite, my country successfully launched a total of 10 foreign geosynchronous orbit communication satellites and 6 low-orbit "Iridium satellites" using the Long March launch vehicle, all of which were made in the United States.
In Hong Kong, in the late 1980s and early 1990s, two special satellite operation service companies were established, namely Asia Satellite and Asia Pacific Satellite.
AsiaSat, whose full name is AsiaSat Corporation, is a Sino-foreign joint venture limited liability company established by CITIC Group and General Electric Company on February 24, 1988. It is headquartered in Xiangjiang and is the first regional commercial satellite in Asia. Operational organization.
AsiaSat is a pioneer in satellite communications throughout Asia.
On April 7, 1990, AsiaSat successfully launched Asia's first commercial communications satellite, the "Asia-1" satellite, providing 24 c-band transponders.
On November 28, 1995, the Asia-2 satellite was successfully launched, equipped with 20 C-band transponders with 36 MHz and 4 72 MHz bandwidth, and 9 Ku-band transponders with 54 MHz bandwidth.
AsiaSat-3 is scheduled to be launched in the first half of 1999.
AsiaSat currently operates Asia's "Asia Satellite 1" and "Asia Satellite 2" satellites.
Asia Pacific Satellite, whose full name is Asia Pacific Satellite Holdings Co., Ltd., was born later than Asia Satellite. It was established in 1992 and its controlling shareholder is China Aerospace Science and Technology Corporation.
On July 21, 1994, the "Long March 3" carrier rocket took off smoothly from the Xichang Satellite Launch Center and successfully placed the first communications satellite "Asia Pacific 1" purchased by Asia Pacific Communications Satellite Co., Ltd. into the predetermined orbit.
"Asia-Pacific One" communication satellite is a spin-stabilized communication satellite model hS376 purchased by Asia-Pacific Communications Satellite Co., Ltd. from the American Hughes Company. It can provide users in the Asia-Pacific region with satellite program transmission, distribution, and language broadcast programs. Transmission, distribution, satellite video conferencing, satellite telephone, fax, data communication, data information broadcast, information collection and other services.
On October 17, 1997, the "Long March 3" B carrier rocket successfully launched the "Asia-Pacific 2" super large communications satellite into the predetermined orbit at the Xichang Satellite Launch Center.
The "Asia Pacific 2" satellite is a high-power communication satellite manufactured by Laura Space Systems of the United States and operated by Asia Pacific Communications Satellite Co., Ltd. The satellite weighs 3,700 kilograms, has 8 kilowatts of DC power, 28 C-band, and 16 Ku-band transponders. , with an on-orbit lifespan of 9 years. After being put into use, it will mainly provide language, image and data transmission communication services for the Asia-Pacific region.
Whether it is the state-owned China Communications and Broadcasting Satellite Corporation, Sino Satellite Communications Corporation, Asia Pacific Satellite Corporation, or the Sino-US joint venture Asia Satellite Corporation, they have no ability to develop and manufacture satellites. They can only purchase satellites manufactured by American companies and hand them over to The Long March launch vehicle launched into space and provided band transponders for users, but they did not have the technical strength to provide technical support for the early opening of 3G in China.
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Today, the institution that develops and manufactures communication satellites in China is the China Academy of Space Technology, which is affiliated to the China Aerospace Industry Corporation.
On February 20, 1968, the China Academy of Space Technology consisted of the Satellite Design Institute of the Chinese Academy of Sciences, the Institute of Automation, the Division of the Institute of Mechanics, the Institute of Applied Geophysics, the Institute of Electrical Engineering, the Southwest Electronics Research Institute, the Institute of Biophysics, and Lanzhou Based on the strength of the Institute of Physics, Jingcheng Scientific Instrument Factory, Shanghai Scientific Instrument Factory, Shanxi Taigu Scientific Instrument Factory, the Eighth Design Institute of the Seventh Ministry of Machinery Industry, the Third Research Institute of the Academy of Military Medical Sciences and other units engaged in space vehicle research It was established and Mr. Qian was appointed as the first dean.
Under the China Academy of Space Technology are the General Design Department, Space Control Technology Research Institute, Space Electronics Technology Research Institute, Space Physics and Detection Technology Research Institute, Electric Rocket Research Institute, Space Medicine and Engineering Research Institute, Vacuum Technology Research Institute, and Beijing Scientific Instruments. Factory, Shanghai Scientific Instrument Factory and other 12 units, with a total of 8,570 employees and a wealth of talents.
On April 24, 1970, the China Academy of Space Technology successfully developed and launched China's first artificial earth satellite, "Dongfanghong-1", ushering in a new era in China's exploration of outer space.
On November 26, 1975, China's first returnable satellite developed by the China Academy of Space Technology was successfully launched. China became the third country in the world to master satellite return technology after the United States and the Soviet Union.
On April 8, 1984, China's first experimental communication satellite, "Dongfanghong-2", developed by the institute, was successfully launched. China became the fifth country in the world to independently develop and launch geostationary satellites.
The "Dongfanghong-3" satellite was successfully launched on May 12, 1997, realizing a leap from China's geostationary orbit satellite from a spin-stabilized type to a three-axis stabilized type. As China's first civilian satellite for the whole society, It has completely reversed the situation in which China mainly relied on foreign communication satellites. The medium-capacity communication satellite platform developed by this satellite, referred to as the "Dongsan Platform", has become an important public satellite platform in our country.
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"Sun Jian, this flood has caused huge losses. All aspects of the country are short of money. China Satellite Communications Company's symmetrical plan can only be spent by Xingchen Commercial Satellite Company and temporarily recorded in the account. Waiting for China Satellite Communications Company If you make money, you will return it with interest to Xingchen Commercial Satellite Company."
President Song of the Chinese Academy of Sciences organized academicians and experts and professors from the Chinese Academy of Sciences, China Academy of Space Technology, Huaqing University, Yenching University, Beijing University of Aeronautics and Astronautics, Beijing University of Posts and Telecommunications and other scientific research institutes to fully demonstrate the "Symmetry Plan".
Starting in 1990, Motorola began to build the Iridium satellite project, which planned to cost more than 5 billion US dollars and consist of 66 satellites to form a global satellite mobile communication system.
As long as the funds are guaranteed, Mr. Qian also believes that the symmetric plan is feasible and strongly agrees with it.
The State Council approved the establishment of China Satellite Communications Corporation.
"Please rest assured, chief, even if I try to sell the pot, I will not let this huge systematic project come to an end."
As long as the country provides policies, Sun Jian will be confident to complete it.
"Sun Jian, I'm relieved now!"
Leader Zhu breathed a sigh of relief and felt relieved.
