Spring 2010

Crosslink Crossword Key, Spring 2010

Crosslink Crossword Key, Spring 2010 Back to The Crosslink Crossword Back to the Spring 2010 Table of Contents  More »

The Crosslink Crossword, Spring 2010

The Crosslink Crossword, Spring 2010 Across 3. Accompanies tear 4. Tight spot 10. Courteous 11. ______ out, sing with oomph 12. Like railroad rails 13. Easily insulted 15. Where chess is played 19. A voice to avoid, it is said 21. Like home, Daddy-o 22. One who parrots 24. Bunch of cookies 27. Candy style […]  More »

The Back Page

Life at Aerospace: A Look Back   There was ready opportunity to learn about many of the former traditions and the campus lifestyle over the decades at The Aerospace Corporation as the editors and corporate archivist dug through material for this 50th anniversary issue of Crosslink. For example, did you know that in the “good […]  More »

Crosslink Spring 2010 Contributors

Contributors   What GPS Might Have Been—and Could Become John E. Clark (left), Principal Director, Space Systems, Navigation Division. His directorate oversees the design, development, assembly, test, and launch of Global Positioning System (GPS) satellites. Clark joined Aerospace as a member of the technical staff in 1979, working in the Energy Conservation Directorate in Government […]  More »


Bookmarks Recent Publications, Papers, and Patents by the Aerospace Technical Staff   Publications and Papers R. L. Bishop, P. R. Straus, A. B. Christensen, J. H. Hecht, et al., “The Remote Atmospheric and Ionospheric Detection System Experiment on the ISS: Mission Overview,” Proceedings of the SPIE—The International Society for Optical Engineering, Vol. 7438, p. 74380X […]  More »

Research Horizons

Research Horizons The Vapor Cell Atomic Clock Advanced atomic clocks, suitable for space deployment, must allow for extended periods of autonomous constellation operation, which enhances system robustness. Additionally, advanced atomic clocks can lower a mission control station’s workload. Air Force space programs that depend on precise timekeeping, such as GPS, Milstar, and Advanced EHF (AEHF), […]  More »

A Global Standard

A Global Standard A significant consequence of the development of GPS has been the establishment of this one system as a global standard for time, position, and datum. Time and position are easy to appreciate, but sometimes overlooked is the role of GPS in establishing a single worldwide datum. It turns out that specifying coordinates […]  More »

Transit: The GPS Forefather

Transit: The GPS Forefather Before there was GPS, there was the Navy navigation satellite system called Transit. Development began in 1958 at the Johns Hopkins University Applied Physics Laboratory; it was declared operational in 1964 and continued until 1996. The satellites were tracked by a series of ground stations and a command center that operated […]  More »

What GPS Might Have Been—and What It Could Become

What GPS Might Have Been—and What It Could Become Civilian and military GPS applications have become so ubiquitous, they are often considered routine appliances of daily life. These applications might not have been possible if early decisions about GPS had been made differently. John Langer, John Clark, and Thomas Powell   It is hard to […]  More »

DMSP Instruments: A 50-Year Legacy

DMSP Instruments: A 50-Year Legacy Aerospace expertise has been instrumental in maximizing the utility of the military’s preeminent weather-forecasting system. Donald Boucher and Anthony Stier   The mission of the Defense Meteorological Satellite Program (DMSP) is to collect and disseminate global visible and infrared (IR) cloud-cover data and other specialized meteorological, oceanographic, and solar-geophysical information […]  More »

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