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789
5G网络使用的射频,可能干扰气象卫星观测地球的能力。
全球各国积极建设5G电信网络,但气象专家警告,5G网络可能严重干扰气象专家用来观察大气变化的精密仪器,进而影响天气预报,使重大风暴来袭前的警示不足,恐因此危及人命。
英国《卫报》报道,5G网络使用的射频,可能干扰气象卫星观测地球的能力。这些气象卫星上的仪器随时观测着大气中的水蒸气、降雨、降雪、云层覆盖、含冰量等,这些都是影响天气的因素。
其中一个例子是23.8 GHz频段。水蒸气会在这个频段上释出微弱信号,气象卫星随时都会观测这些数据,气象专家再利用这些数据,研判风暴或天气系统将如何发展。
但是,某些5G电信网络可能在相近频段上释出讯号,与水蒸气释出的信号混淆。欧洲中程气象预报中心的专家波尔曼说,如此一来,专家将无法分辨讯号,因此就不能使用相关数据。
他说,这些数据是独特的天然资讯来源,“对我们的预报能力很重要,如果我们失去了这些数据,天气预报准确度将大幅恶化”。
该中心另一位专家麦纳利表示,5G网络推出,“可能严重削弱我们对重大风暴的预测能力,最终造成的影响可能攸关生死,我们对此非常忧虑”。
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