Nec Toshiba Space Systems, Ltd.

Masaya Mine

Broadcast signal c is transmitted from a broadcast transmitterto an artificial satellitefor predetermined signal conversion, whereby broadcast signals ato aare transmitted to all of Japan. On-earth stations-to-are installed for weather forecast data. These on-earth stations receive the broadcast signals ato a, respectively, transmitted from the artificial satellite, and transmit receiving state data bto b, respectively, based on receiving level data to the artificial satellite. The receiving state signals are changed with variations of their radio wave attenuation according to whether it is cloudy, rainy, snowy, the cloud density, etc. The receiving state data are collectively sent back to a weather forecast center. Weather forecast data e obtained by analysis in the weather forecast centeris transmitted to the artificial satellite, which in turn sends weather forecast data f back to all of Japan.

Weather forecast data distributing system and method

A communication terminal which communicates with a communication device includes a position detecting section which detects a current position of the communication terminal, and a control section which automatically notifies the communication device of the current position obtained from the position detecting section, in response to an instruction from the communication device.

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Kanagawa, Japan

Masaya Mine