全美17个城市大约有30家电视台已经在电视转播塔安装了额外的传输仪，传送本地实况节目到移动信号接收器，而且几乎免费。
Some 30 television stations in 17 cities across the country have now installed additional transmitters on their towers to beam live local broadcasts to mobile receivers mostly for nothing.
虽然安装在下面的照片中一台挖掘机，最终版本将坐在一辆卡车，使其更容易移动，从地方到另一个地方。
Though mounted on an excavator in the photo below, the finished version will sit on a truck, allowing it easier movement from place to place.
在系统同步后，移动台通过物理层特征标识连接的小区，并执行到系统的初始接入。
After system synchronization, the mobile stations identify the connected cell through a physical layer characteristic, and perform initial access to the system.
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