The NMA in Japan consists of six transportable 10 m antennas, equipped with cryogenically cooled SIS receivers, covering three wavelength bands: 3 mm (85-116 GHz), 2mm (126-152 GHz), and 1mm (213-237 GHz), respectively (Figure 7.21). A 45 m dish is also at the site. There are 30 antenna stations located along two tracks, one extending 560 m in the east-west direction, and another 520 m long inclined at an angle of 33° from the north-south direction. The antennas may be arranged in a number of configurations.
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