Chinese global navigation system Beidou nears completion

China's Bado satellite system is nearing completion with 35 satellites by June 2020. The system, which has been launching satellites since 2000, aims to improve location accuracy to within centimeters by next year. This advancement will aid in search and rescue missions, enhance technology for self-driving vehicles, and offer a text messaging service for communication.

How many satellites will complete the Bado navigation network by June 2020?

• 45 satellites

• 30 satellites

• 35 satellites

• 40 satellites

What is the current level of location accuracy for the Bado navigation system?

• Within 10 meters

• Within 5 meters

• Within 50 meters

• Within 1 meter

By the end of next year, the Bado system's accuracy is expected to improve to what level?

• Within centimeters

• Within 1 meter

• Within 10 centimeters

• Within millimeters

Which of the following is NOT a potential application of the Bado navigation system?

• Cell phone technology

• Search and rescue missions

• Self-driving vehicles

• Weather forecasting

What additional feature will Bado include to enhance user communication?

• Text messaging service

• Video conferencing service

• Email service

• Voice calling service