"The closest will be adjusted when we are through the commissioning phase, " explained Dr Zink, who is project manager for the TanDEM-X ground segment.

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"The two metres is what we call the relative accuracy, " explained Dr Manfred Zink, the project manager for the TanDEM-X ground segment at DLR.

BBC: Mapping Earth's surface in 3D

Soon they were working on a related project: providing treatment for older people, a neglected segment of the alcoholic population.

FORBES: Money -- and management