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Institute of Navigation releases GNSS SDR Metadata Standard

Logo: ION

The Institute of Navigation (ION) has published its Global Navigation Satellite Systems (GNSS) Software Defined Radio Metadata Standard document.

According to ION, The standard is the product of a three-year long effort of the ION GNSS SDR Standard Working Group and defines parameters and schema to express the contents of SDR sample data files. The standard promotes the interoperability of GNSS SDR data collection systems and processors, ION added.

“In recent years there has been a proliferation of software defined radio data collection systems and processing platforms designed for Global Navigation Satellite System receiver applications or those that support GNSS bands,” ION said in a press release. “For post-processing, correctly interpreting the GNSS SDR sampled datasets produced or consumed by these systems has historically been a cumbersome and error-prone process. This is because these systems necessarily produce datasets of various formats, the subtleties of which are often lost in translation when communicating between the producer and consumer of these datasets. This specification standardizes the metadata associated with GNSS SDR sampled data files and the layout of the binary sample files.”

The standard is free and can be found here.

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