Boeing demonstrates digital GPS III signals
Boeing has successfully demonstrated digital Global Positioning System (GPS) III navigation signals in a development that could be critical to the modernisation of the GPS service, the company announced on 20 July.
The digital version of the GPS navigation signal overcomes the limitations of analogue signal payloads, such as combining multiple signals and accommodating future requirements. According to the company, the advancement has fewer components and costs and weighs less.
Boeing is developing a digital waveform generator in support of a solicitation by the US Air Force for alternative GPS III sources. The recent demonstration validates that basic signals can be digitally generated in various code combinations and power levels and meet signal requirements.
Dan Hart, vice president, Boeing Government Space Systems, said: 'Our investment in GPS digital payload technology builds on a track record of more than 40 other satellites launched with digital payloads and expands our commitment to making the US GPS constellation the best that it can be, not just today, but 20 years from now.'
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