[Pick 사이언스] '초정밀' 위치정보를 확보하라!..한국 ‘독자개발’! 미국 GPS보다 정확한 ‘한국형 위성항법시스템’의 정체?

Summary

The video script delves into the critical role of satellite navigation systems, exploring their evolution, with a focus on South Korea’s development of its own satellite navigation system, KPS. The script covers the historical context, including the tragic 1983 Korean Air Flight 007 incident that led to advancements in GPS technology, and the global competition in satellite navigation. It highlights South Korea's efforts to enhance precision with its KPS and CAS systems, which are poised to revolutionize industries such as transportation, autonomous vehicles, and disaster management, marking a significant milestone in technological and national advancement.

Takeaways

• 😀 The tragic downing of Korean Air Flight 007 in 1983 occurred when a Soviet missile struck the plane, mistaking it for an intruder in their airspace. This led to the death of 269 passengers and crew members.
• 😀 The incident was caused by a malfunction in the plane's inertial navigation system, which caused it to veer off course and enter Soviet airspace, which was mistaken as a threat.
• 😀 The disaster led to the development of GPS for civilian use, as the U.S. allowed free access to military GPS for civilians, enabling widespread use of location-based services.
• 😀 GPS, the Global Positioning System, is not exclusive to the U.S. – Russia (GLONASS), Europe (Galileo), and China (Beidou) also developed their own satellite navigation systems.
• 😀 Advances in GPS and satellite technology are essential for the implementation of emerging technologies like autonomous vehicles, smart cities, and disaster management.
• 😀 China completed the development of its Beidou satellite system in 2020, providing global high-precision location services and planning to use it as a strategic tool for international influence.
• 😀 South Korea is developing its own satellite navigation system called KPS (Korean Positioning System), aimed to be operational by 2035, becoming the seventh country to have its own system.
• 😀 The KPS system will be crucial for improving the accuracy of GPS-based services within South Korea, supporting industries like automotive, navigation, and aviation.
• 😀 South Korea’s KPS system will rely on precise satellite positioning technology, which will significantly reduce errors in location-based services and optimize the operation of autonomous vehicles.
• 😀 The development of satellite navigation systems such as KPS and CAS (Korean Aerospace Service) will improve the reliability and safety of air travel, reduce carbon emissions, and enable efficient disaster response.
• 😀 The KPS and CAS will be integral for the future of smart transportation, including Urban Air Mobility (UAM), by providing accurate location information for safety and efficiency in flying vehicles.

Q & A

What happened on September 1, 1983, involving Korean Airlines flight 007?

On September 1, 1983, Korean Airlines flight 007, a Boeing 747, was shot down by a Soviet fighter jet after accidentally entering Soviet airspace due to a malfunctioning navigation system. The incident resulted in the deaths of 269 passengers and crew members.

How did the GPS technology development relate to the Korean Airlines flight 007 incident?

The Korean Airlines flight 007 incident highlighted the critical need for accurate navigation systems. Following the tragedy, the U.S. government authorized the use of GPS for civilian purposes to prevent such incidents in the future.

What is GPS, and how is it used worldwide?

GPS stands for Global Positioning System, a satellite-based navigation system used to determine precise locations globally. It is widely used for personal navigation, aviation, maritime, and even by governments for public safety.

What other countries have their own satellite navigation systems besides the U.S. GPS?

Other countries with their own satellite navigation systems include Russia's GLONASS, the European Union's Galileo, and China's BeiDou. Each system provides global positioning services.

Why is accurate satellite navigation information becoming more important in the modern era?

Accurate satellite navigation is crucial for the implementation of technologies in the 4th Industrial Revolution, such as autonomous vehicles, drones, smart cities, and precision agriculture. These advancements require highly accurate location data.

What is the significance of China’s BeiDou satellite system?

China's BeiDou satellite system, developed over 26 years, provides high-precision global positioning services and aims to compete with other satellite navigation systems like GPS by offering services with an accuracy of 5 to 10 meters.

What is the KPS, and how does it benefit South Korea?

KPS stands for the Korean Positioning System, South Korea's own satellite navigation system. The KPS aims to enhance the accuracy of positioning services within South Korea, complementing GPS and improving location data reliability.

How does the KPS system’s design ensure better service within South Korea?

The KPS system is designed with satellites in inclined orbits, which allows them to stay above the Korean Peninsula for extended periods, ensuring more accurate and stable positioning services.

What role does CAS play in enhancing GPS data accuracy?

CAS (Correction and Augmentation System) helps improve the accuracy of GPS signals by correcting errors in satellite signals caused by atmospheric factors, reducing positioning errors from 15-33 meters to as low as 1 meter.

How is the KPS system related to future technologies like UAM and autonomous vehicles?

The KPS system is essential for the development of future technologies like Urban Air Mobility (UAM) and autonomous vehicles, as it provides accurate location data critical for safe navigation and operation in these advanced transportation systems.