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“Pardon Me, Soldier, but Would You Happen to Have the Atomic Time?”

by Ward Carroll on October 3, 2012

Military​.com is running an an item that reports that the U.S. Army has begun the final phase for manufacturing a microchip-sized prototype that will support efforts to provide highly accurate location and battlefield situational awareness for the dismounted soldier, even in the temporary absence of GPS capability.

The goal is to provide complete atomic clock capabilities for weapons, weapon systems and the dismounted Soldier, and to do this with low power and drastically reduced cost, noted John Del Colliano, chief for the Positioning, Navigation and Timing branch of CERDEC’s Command, Power & Integration directorate.

“An atomic clock, which is recognized for its accuracy, is used by the military in larger systems; however, the typical atomic clock is large, heavy and requires lots of power. Large systems/platforms like bombers have the advantage of having more power and space to accommodate a full-scale atomic clock, but that’s not true for a Soldier on the battlefield or for munitions being fired,” Del Colliano said.

The chip-scale atomic clock or “CSAC,” which is approximately 15 cubic centimeters, could be integrated into a platform, weapon or a device worn by a soldier and will be completely transparent to the user, said Paul M. Olson, acting associate director, Systems Engineering, for CERDEC CP&I.

“The CSAC is a critical tool for systems that require very accurate time synchronization, such as communication, navigation, radar and weapon systems. When used in conjunction with other sensors, the CSAC can help these systems provide highly accurate location and battlefield SA to units and commanders,” Olson said.  “If GPS is disrupted or jammed, a CSAC could provide precise time to the GPS receiver to enable rapid recovery or to protect receivers from GPS spoofing, a condition where false GPS signals are broadcast to fool GPS receivers with erroneous information. The hope is that the Soldier wouldn’t even know that his GPS is being jammed.”

Read the full story here.

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