CIRED 2009. Prague Congress Centre Czech Republic 8 - 11 June 2009.
Using NCCP’s Family Resource Simulator to Improve Policies for Low-Income Families Nancy K. Cauthen, PhD Acting Deputy Director NGA Center for Best Practices:
Domestic Space-Based PNT Interference Detection and Mitigation Captain Curtis L. Dubay, P.E. US Coast Guard Chairman, DHS Positioning, Navigation and Timing.
Combining Signed Numbers Adding and subtracting signed numbers.