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     On October 9, 2023, Triton, the first weather satellite made in Taiwan successfully entered space. It is also the fourth satellite in the world to use GNSS-R instrument to collect weather data. Its purpose is to help us predict the weather more accurately.
      This satellite is named after Triton, an ancient Greek god of the sea. The sea god commands the wind and waves. The satellite Triton is able to gather such data as wave heights and sea wind speeds. Triton uses a technique that collects signals reflected from the Earth’s surface. It carries GNSS-R instrument to receive signals which are sent back from sea surfaces. The calmer the sea, the stronger the signal, indicating weaker winds. This information is valuable as wind speed data is not easy to collect. Such information improves the prediction of typhoon strengths and movements. Triton observes weather changes mainly in the Atlantic Ocean, Indian Ocean, and central Pacific Ocean.
      Triton, started in 2014, is the fruitful cooperation between Taiwan Space Agency (TASA) and local companies. TASA developed GNSS-R instrument and key components such as the Onboard Computer and GPS Receiver. More than 20 local research groups and manufacturers participated in developing the ground station equipment. The satellite is 82% developed and produced in Taiwan.
       Now that Triton is in space, we can expect it to provide more accurate information and support disaster prevention. The success of Triton contributes to global weather forecasting. It is also an important step forward for Taiwan’s space engineering.