Global Navigation Satellite Systems Engineering, Policy, and Design
Modern asymmetric warfare has made the need to limit collateral damage a critical parameter for weapons developers. In recent years this need has led to more accurate weapon types with longer ranges and more sophisticated deployment mechanisms.
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One of 12 magnetograms recorded at Greenwich Observatory during the Great Geomagnetic Storm of 1859
1996 soccer game in the Midwest, (Rick Dikeman image)
Nouméa ground station after the flood
A pencil and a coffee cup show the size of NASA’s teeny tiny PhoneSat
Bonus Hotspot: Naro Tartaruga AUV
Pacific lamprey spawning (photo by Jeremy Monroe, Fresh Waters Illustrated)
“Return of the Bucentaurn to the Molo on Ascension Day”, by (Giovanni Antonio Canal) Canaletto
The U.S. Naval Observatory Alternate Master Clock at 2nd Space Operations Squadron, Schriever AFB in Colorado. This photo was taken in January, 2006 during the addition of a leap second. The USNO master clocks control GPS timing. They are accurate to within one second every 20 million years (Satellites are so picky! Humans, on the other hand, just want to know if we’re too late for lunch) USAF photo by A1C Jason Ridder. 
Detail of Compass/ BeiDou2 system diagram
Hotspot 6: Beluga A300 600ST
1. NOTHING BEATS FREE
Mountain View, California
√ Google’s open-source, customizable Android OS uses its own maps for a free GPS feature on the new Verizon Motorola “Droid” phone. It’s shaking mobile map giants Navteq and Tele Atlas and the smart phone and PND developers who lease from them. Google’s free GPS could appear on the iPhone as well.
Yes, I was the fellow who in 1999 launched a magazine called Galileo’s World.
It’s also true that I did make a rather exuberant toast at a conference dinner in St. Petersburg in 1996 about the prospects for GLONASS.
And even before that, I published an article that said the GPS Wide Area Augmentation System (WAAS) would be available for all phases of flight by 1997. (At least, that prediction was made by an expert in the field, not me.)
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