Traditional Culture Encyclopedia - Weather inquiry - Ink weather supports the weather forecast of 3000 cities across the country. With so much data, through what channels did ink collect these data sources?

Ink weather supports the weather forecast of 3000 cities across the country. With so much data, through what channels did ink collect these data sources?

Ink weather supports the weather forecast of 3000 cities across the country. With so much data, through what channels did ink collect these data sources? So many cities, and it is updated in real time, how is ink realized? Do you build your own base station locally? Or through the link, directly participate in what interface to obtain data sources (such as local meteorological stations)