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Chain

technology Maturity 11-13 Next article →

The word chain can mean many different things. One kind of chain helps planes fly safely. It is called the CAHIN. This stands for Controlled and Harmonised Aeronautical Information Network. It is a way to make flight data better. This helps people fly in the sky.

Another chain is found in the sky. This is the Canadian High Arctic Ionospheric Network. People call it CHAIN too. It is a group of radio tools on the ground. These tools are in the cold north. They watch the air.

These tools help us study the air. They use radio waves to learn things. This helps us know more about the sky. A chain can have many uses. It can be a tool for flight. It can be a way to study the air. It is a word that means many things.

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