“We have so much junk in orbit that we have to track anyway. “Angular measurements can turn into GPS level accuracy,” Gabriel said. Dubbed “celestial object sighting system,” it measures the position of satellites relative to stars. “We’re excited about this system that is designed to be in GPS denied environments,” he said.
Gabriel has offered the military a Draper-developed celestial navigation technology also known as a star tracker. There will be a need for multiple solutions all operating at the same time.” “I think you’re going to see many approaches,” he said. satellite signals ever were disrupted, the military needs back-up options. In a recent interview with SpaceNews, Gabriel - a former deputy director of the Defense Advanced Research Projects Agency - cautioned that there will never be a single “silver bullet” that can replace a system as capable at GPS, but if U.S. military and NASA contracts.ĭraper has worked for decades on alternative technologies to GPS but the Pentagon only in recent years has expressed interest in exploring them amid warnings that military satellites are being targeted by enemies. “People don’t realize how weak the signal is,” said Kaigham “Ken” Gabriel, president and CEO of Draper Laboratories, a non-profit research and development firm with U.S. WASHINGTON - The Pentagon is spending tens of billions of dollars on a new constellation of more secure GPS satellites and a stronger anti-jam signal in anticipation of a future conflict where adversaries will try to disrupt access to this critical global navigation system.īut even as the military is counting on a modernized GPS to be more resilient to electronic attacks, it is eyeing alternative means to get vital positioning, navigation and timing data, just in the event that GPS is denied.
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