What is MTSAT (multifunctional transport satellite)?

Multifunctional Transport Satellites (MTSAT) were a series of climate and aeronautics control satellites. It is managed by the Japanese Ministry of Land, Infrastructure, Transport and Tourism (MLIT) and the Japan Meteorological Agency (JMA). The Multifunctional Transport Satellites (MTSAT) are the replacements to the GMS 1-5 satellite series. It has two fundamental missions, for example meteorological and aeronautical missions.