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We describe performance of a new two-channel Fabry-Perot interferometer (FPI) with two thermoelectric-cooled CCD detectors to measure neutral winds for both the 558-nm (mesopause region) and 630-nm (thermosphere) airglow emissions simultaneously at Shigaraki (34.8°N, 136.1°E), Japan. The employment of the thermoelectric cooling system enables us continuous automatic operation of the FPI since October...
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