也许先于德国的最有名的准全球星载数据集，是2000年来自美国的航天飞机雷达地形测绘任务(SRTM)。
Perhaps the best-known, near-global, space-borne data-set prior to the German venture came from the US Shuttle Radar Topography Mission (SRTM) of 2000.
地形数据来自于搭载在奋进号航天飞机上的飞船雷达地形测绘任务平台(the Shuttle Radar Topography Mission)，于2002年2月中旬获得的数据。
The topography is based on radar data collected during the Shuttle radar topography Mission, which flew onboard Space Shuttle.
最后，赫德召集起来一个足够大的、由有资历的人组成的团体来承担这一任务。 1817年1月7日，他成立了“测绘官军团”。
In time Hurd assembled a large enough group of qualified men to take on the task and on 7 January 1817 he established the "Corps of Surveying Officers."
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