Question: The China National Space Administration said the satellite navigation system would be developed in how many steps?
Answer: three

Question: What was the name of the first satellite launched for the system?
Answer: BeiDou-1A

Question: When was BeiDou-1A launched?
Answer: 20 December 2000

Question: What was the name of the third satellite launched for the system?
Answer: BeiDou-1C

Question: What was the purpose of launching the BeiDou-1C satellite?
Answer: a backup satellite

Question: When was the BeiDou-1C satellite launched?
Answer: 25 May 2003

Question: When did China announce service plans for the BeiDou system?
Answer: 2 November 2006

Question: What was the accuracy range that China promised to offer in 2008 with the BeiDou system?
Answer: 10 meters

Question: What was the timing and speed that China promised to offer in 2008 with the BeiDou system?
Answer: timing of 0.2 microseconds, and speed of 0.2 meters/second

Question: When was the fourth satellite for the BeiDou-1 system launched?
Answer: February 2007

Question: What is the name of the fourth BeiDou-1 satellite?
Answer: BeiDou-1D

Question: What is the BeiDou-1D satellite sometimes called?
Answer: BeiDou-2A

Question: What is the purpose of the BeiDou-1D satellite?
Answer: serving as a backup satellite

Question: What happened to the BeiDou-1D satellite that needed to be repaired?
Answer: a control system malfunction

Question: When was the first satellite for the BeiDou-2 system launched?
Answer: April 2007

Question: What is the the first satellite for the BeiDou-2 system called?
Answer: Compass-M1

Question: What is the purpose of the Compass-M1 satellite?
Answer: to validate frequencies for the BeiDou-2 constellation

Question: When was the second satellite for the BeiDou-2 system launched?
Answer: 15 April 2009

Question: When was the third satellite for the BeiDou-2 system launched?
Answer: 17 January 2010

Question: How much was China going to invest in the European Galileo positioning system project?
Answer: €230 million (USD296 million, GBP160 million)

Question: In 2003, what was the planned purpose of the BeiDou navigation system?
Answer: only be used by its armed forces

Question: When did China join the Galileo project?
Answer: October 2004

Question: When was China Galileo Industries (CGI) founded?
Answer: December 2004

Question: Who said in 2008 that China was unsatisfied with its involvement in the Galileo project?
Answer: the Hong Kong-based South China Morning Post

Question: What is the BeiDou-1?
Answer: an experimental regional navigation system

Question: The BeiDou-1 is made up of how may satellites?
Answer: four

Question: How many satellites in the BeiDou-1 system is used for back up?
Answer: one

Question: What were the BeiDou-1 system satellites based on?
Answer: the Chinese DFH-3 geostationary communications satellite

Question: How much did each satellite for the BeiDou-1 system weigh?
Answer: 1,000 kilograms (2,200 pounds) each

Question: What type of satellites does the American GPS system use?
Answer: medium Earth orbit satellites

Question: What type of satellites does the BeiDou-1 system use?
Answer: satellites in geostationary orbit

Question: What is the purpose of the BeiDou-1 system using stallites in geostationary orbit?
Answer: the system does not require a large constellation of satellites

Question: What service area is covered by the BeiDou-1 system?
Answer: from longitude 70°E to 140°E and from latitude 5°N to 55°N

Question: What is the frequency of the BeiDou-1 system?
Answer: 2491.75 MHz

Question: When was the first satellite for the BeiDou-1 system launched?
Answer: October 31, 2000

Question: What was the first satellite for the BeiDou-1 system called?
Answer: BeiDou-1A

Question: When was the second satellite for the BeiDou-1 system launched?
Answer: December 21, 2000

Question: What was the second satellite for the BeiDou-1 system called?
Answer: BeiDou-1B

Question: When was the last satellite for the BeiDou-1 system launched?
Answer: May 25, 2003

Question: In 2007, what was the reported resolution of the BeiDou system?
Answer: as high as 0.5 metres

Question: What is the calibrated accuracy of the BeiDou system?
Answer: 20m

Question: What is the uncalibrated accuracy of the BeiDou system?
Answer: 100m

Question: Who reported the resolution of the BeiDou system in 2007?
Answer: the official Xinhua News Agency

Question: How much did a BeiDou-1 ground terminal cost in 2008?
Answer: around CN¥20,000RMB (US$2,929)

Question: How much more did a BeiDou-1 ground terminal cost than a current GPS terminal?
Answer: almost 10 times the price

Question: Why is a BeiDou-1 ground terminal so expensive?
Answer: due to the cost of imported microchips

Question: Where was the ELEXCON fair held in 2009?
Answer: Shenzhen

Question: What was presented at the ELEXCON fair in 2009?
Answer: a BeiDou terminal priced at CN¥3,000RMB

Question: Who is the chief designer of the BeiDou navigation system?
Answer: Sun Jiadong

Question: What did Sun Jiadong have to say about the BeiDou navigation system?
Answer: "Many organizations have been using our system for a while, and they like it very much."

Question: Who is Sun Jiadong?
Answer: the chief designer of the navigation system

Question: What was the BeiDou-2 system previously known as?
Answer: COMPASS

Question: How may satellites will the BeiDou-2 system have?
Answer: 35

Question: How many geostationary orbit satellites will the BeiDou-2 system have?
Answer: 5

Question: How many non-geostationary orbit satellites will the BeiDou-2 system have?
Answer: 30

Question: What is the purpose of the geostationary orbit satellites in the BeiDou-2 system?
Answer: for backward compatibility with BeiDou-1

Question: What are the ranging signals of the BeiDou system based on?
Answer: the CDMA principle

Question: What positioning levels will the BeiDou system offer?
Answer: open and restricted (military)

Question: Where will the public service for the BeiDou system be available?
Answer: globally to general users

Question: Who designed the COMPASS navigation system?
Answer: Sun Jiadong

Question: How many satellites will the COMPASS navigation system use?
Answer: 75+ satellites

Question: What types of services will be offered by the BeiDou system?
Answer: a free service to civilians and licensed service to the Chinese government and military

Question: What is the range of accuracy for the free service offered to civilians?
Answer: 10-meter location-tracking accuracy

Question: What is the range of accuracy for the licensed service used by Chinese government and military?
Answer: 10 centimetres

Question: As of right now, who uses the licensed military service?
Answer: the People's Liberation Army and to the Military of Pakistan

Question: What is something the licensed military service can be used for?
Answer: communication

Question: How many frequencies does the COMPASS system use?
Answer: four bands

Question: What are the four bands of frequencies used by the COMPASS system called?
Answer: E1, E2, E5B, and E6

Question: Which frequency bands are most likely to cause issues of inter-system interference with the Galileo system?
Answer: E1 and E2

Question: Which bands are used by the Galileo system for their public service?
Answer: E1 and E2

Question: According to International Telecommunication Union (ITU) policies, who is given higher priority to a specific frequency band?
Answer: the first nation to start broadcasting in a specific frequency

Question: How much information about the COMPASS system did Chinese authorities release?
Answer: little was officially announced

Question: What is one thing launching the first COMPASS satellite enable researchers to do?
Answer: to study general characteristics of the signals

Question: What is another thing launching the first COMPASS satellite enable researchers to do?
Answer: to build a COMPASS receiver