The International Telecommunications Union reserves a special radio band in the 1400-1427 MHz range, called the L-band, especially for Earth-observing satellites and space astronomy.

国际电信联盟保留了1400 - 1427 MHz范围内的特殊无线电频段，亦称L -频段，特别供地球探测卫星和太空天文使用。

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Outer space systems play a vital role in many important areas such as telecommunications, navigation, meteorology and remote sensing.

空间系统在通讯、导航、气象、遥感等许多重要领域都发挥着至关重要的作用。

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Solar flares threaten all of the artificial objects orbiting our planet including GPS and telecommunications satellites occupied spacecraft and the International space Station.

太阳风暴威胁着所有的围绕地球运行的人造天体，包括GPS定位和通讯卫星，载人航天飞机和国际空间站。

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Multibillion-dollar budgets have parked people in space, allowed global telecommunications and brought Star Wars military systems within reach.

WSJ: A Cosmic Question: How to Get Rid Of All That Orbiting Space Junk?

Consumers will see a benefit in clearer pictures, more programming and more broadband space for other telecommunications services.

FORBES: Magazine Article

Our investment in space exploration helped to create our satellite telecommunications network and the Global Positioning System.

CNN: Bush: 'It is time for America to take the next steps' in space