"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

According to a survey by Spectrem Group, financial advisors are largely treading water with many wealthy investors, and worse, have lost significant ground with a key wealth segment, the company said in a press release.

FORBES: In Volatile Markets, Wealthy Unhappy With Financial Advisors

The narrow-body aircraft segment is shaping up to be the next important battle ground for global aircraft manufacturers.

FORBES: Boeing Can Climb To $91 With 737 Max

Sales fell nearly 15 percent last year, and the CTS lost ground to the 5-Series and the Mercedes E-Class in the important midsize-luxury segment.

WSJ: Hot Wheels: Cadillac to challenge BMW with CTS