Many choose to simply pay the fine, but their flights can cause Pandemonium when the planes crop up on airport radar screens.

很多人干脆选择直接付罚款，但当他们的飞机突然出现在机场的雷达屏幕上时，这种飞行就会引起一阵混乱。

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K-Band sensors are also less susceptible to interference from airport landing systems and air or sea craft radar.

K波段传感器也更不易于受到来自机场着陆系统以及飞机和舰船雷达的干扰。

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France Info radio quoted an airport authority source as saying that its absence from the radar could be a question of a transmitter failure, but that this would be a very rare occurrence.

法国资讯电台援引一名机场管理局消息人士的话说，飞机从雷达上消失可能是发射失败的问题，但是这种现象是非常罕见的。

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The air travel agency is currently testing a radar system at the international airport in Seattle,Washington.

VOA: special.2009.04.01

He noticed that every time he passed the Aberdeen Airport radar he could never hear any.

BBC: NEWS | UK | Scotland | North East/N Isles | Radar 'saves bats at wind farms'

Thales believes that the large number of TV transmitters means the system could provide a more reliable infrastructure than the current one which typically relies on one radar per airport.

BBC: UK mulls 'radical' shake-up of air traffic control

One of the stories that I enjoy the most was the guy from Harris Corporation who was indexing all the information off the radar tower at JFK airport.

FORBES: Using Machine Data Beyond IT