A terminal of Compass Navigation Satellite System (CNSS), which can not only support Bei Dou-1 and BeiDou-2 but also support\nGlobal Positioning System (GPS), is designed to research the activities of the migrant birds, with our novel design of a multi band\nantenna. By a high-density integration, this terminal is designed with a compact size and light weight. When the terminal is\nassembled to a whooper swan, its flying trace is recorded by the CNSS, which is in agreement with that of GPS. The flying route\nmap based on the CNSS is useful to check the situation and habit of the migrant bird, which is important for animal protection and\nbird flu outbreak prediction.
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