某些地方，这种将工作频道与闲置频率分隔开的“空白频段”，统共占到了电视广播全部可用带宽的差不多70%。

In some places, this "white space" of unused frequencies separating working channels amounted to as much as 70% of the total bandwidth available for television broadcasting.

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首先，空白频段发射机必须避免与本地电视台互相干扰，也得防止同会议室、运动场、剧院和教堂使用的无线麦克风相互干扰。

For one thing, white-space transmitters have to avoid interfering with both local television stations and the wireless microphones used in conference halls, sports arenas, theatres and churches.

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方案：兰维尔·钱德拉把微软位于雷蒙德市的园区作为自己的实验室，组建了第一个大规模的网络，以便演示潜在地利用空白电视信号频段来实现宽带无线传输。

SOLUTION: Ranveer Chandra made the Microsoft campus in Redmond, WA, his laboratory for the first large-scale network to demonstrate the potential of using white Spaces to deliver broadband wireless.

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