201009 September 2010

July 27, 2010

GNSS Simulators

FIGURE 1: GNSS multi-channel signal simulator 10 years ago on its own (left) and with its ever-growing family (right)

For the complete story, including figures, graphs, and images, please download the PDF of the article, above.

In this article we describe the design and operation of a generic GNSS RF simulator. We also will look at the main types of GNSS RF simulators, their designs and specifics, their advantages and disadvantages.

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By Inside GNSS

Help from Above

During flight testing, Boeing technical personnel have historically used a differential GPS (DGPS) system as the position truth reference for validating various production systems on the airplane. The majority of those tests occur on or near remote runways to capture specific environmental conditions.

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By Inside GNSS