DARPA projects to either improve GPS or remove vulnerability to loss of satellites
DARPA has its budget for 2014. Basic Photon Science FY 2012 21.5 million FY 2013 25.2 million FY 2014 18.9 million FY 2014 Plans: – Demonstrate a 10 Gigahertz (GHz) oscillator using optical frequency division with a micro-frequency comb. – Demonstrate free space time transfer over 10 km with timing error 1000 times better than …