9/11 South Tower Strike: Drone In, Drone Out
August 25, 2001 - Raytheon and the US Air Force successfully auto lands a pilot-less FedEx Boeing 727 six times at Holloman AFB, NM using a military GPS landing system that will enable ground control to take control of a hijacked airplane and force land it. (TRANSLATED): "A forced landing system developed in the USA will make plane hijackings more difficult: in case of emergency the crew operates a switch - and the machine steers automatically to the next airport. The times for an airplane kidnapper are becoming harder: in America engineers are working to land kidnapped machines in the future by an improved autopilot without assistance of the cockpit on the nearest airport - an emergency switch, that a ground control operates crew; the levers in the airplane are then blocked and the kidnappers can no longer control the plane from the hand controls. According to a recent news release, technicians of US aviation and arms company Raytheon already in August landed a passenger aircraft six times successfully on the military airport at Holloman, New Mexico. The plane was equipped with a special forced landing system without any pilots. The Boeing 727 oriented itself not, as usual, with the radar signals at the end of the runway, but by a combination of GPS satellite and ground signals, which help, to exactly compute the altitude and thus the necessary angle of approach with deviation no greater than one meter." - Der Spiegel (10/28/01) [Reprinted and translated at: Cooperative ...
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Data Usage for GPS Revealed
Article by GPS City Garmin
One of the largest global location based services/mobile resource management (LBS/MRM) services provider in the world is TeleNav. TeleNav GPS Navigator is used for both personal and business purposes, helping individuals make the most of their leisure or work time. They have recently released statistics on how we use our GPS devices. The data shows what and how we search, identifies our daily needs, appetites and more info than we can imagine.
Analyzing the who, what, why and where of our national GPS usage can be fun. For instance, when it comes to our eating out habits, did you know that pizza is the most searched cuisine in the nation? Who knew? Second to our craving for pizza is Chinese food. You would think that burgers would have been high on this list, but it came in at #3 and was followed by American food in 4th place and finally Mexican cuisine at #5. This list wasn't at all what I expected.
Now, let's move on to the nation's most cost-conscious residents. When it comes to searching out the best gas prices before filling up the tank, it looks like the winners live in Phoenix, AZ. The folks in San Antonio, TX came in a close second with Cleveland OH, Detroit MI and Jacksonville FL filling the 3rd, 4th and 5th spots respectively. Nice going for the nation's most thrifty residents. We could all learn from them.
As for our most impatient citizens, where in the country can they be found? All you need to do is check out the most traffic-plagued and grid-locked cities. According to the TeleNav data, the majority of GPS device users with real-time traffic information and the option to route around traffic mishaps live in Los Angeles CA. Not really a surprise, however, most of you were probably thinking New York City, right?. Surprisingly, the Big Apple seems to be lagging at #3, and was beat out by Washington DC. Rounding out the top 5 are Chicago IL as #4 and Atlanta GA is #5 on this list of hurried and impatient commuters.
The last and final category covers the four most searched businesses and their locations, hours of operation etc. If you guessed that #1 on this list is Wal-Mart, you would be correct. No doubt the people in Phoenix are helping to keep Wal-Mart at #1. I'm equally as sure that I've personally had something to do with keeping Starbucks at a solid #2 on the most searched businesses list. With Target as #3, Best Buy as #4 and Bank of America holding at #5, we come to an end.
Bradley Jacobs is a GPS enthusiast and touts the benefits of garmin, tomtom, magellan, lowrance, and other gps system available with unmatched on-line store experience. With over 20 years of direct engineering, marketing, and customer service experience in the GPS industry, he is uniquely qualified to offer top-level support. His favorite distributor, GPS City Canada, sells to thousands of customers in Canada, the USA, and worldwide. They range from small businesses to many Fortune 500 companies. From major universities and technical colleges to the Pentagon, Canada's DND, military and other government institutions.
Get a correct direction with GPS in your road trip
In the modern society, people are more likely to go to different places every year. Sometimes you need to drive out for business, and sometimes you may enjoy a wonderful car trip with their family and friends. In the age when you can travel everywhere easily, however, to find a correct direction may bother you in the journey from time to time.
When going out for a journey, you may get lost on the road. Nowadays, the transportation has been developing so fast that the number of roads increases quickly, which makes the possibility of being lost get higher. Though there are usually some signposts along the avenues serving for guidance of direction, you may find it difficult to find a way out quickly. Especially when you travel in an unfamiliar city, various streets and strange buildings may make you dazzled. Such circumstances are not rare in the daily life.
Then, how do you find an accurate route to your destination at such a time?
There are some ways in which you may find your way out. Instead of moving round and round in the same place, you can ask your friends or local people for some help. However, your friends may be far away from you, and to communicate on the phone are not so convenient because he possibly has no idea where you exactly are. By contrast, asking for help from local people can be much wiser. They are more familiar with the surrounding environment so that they can provide you with correct direction more quickly. Besides the above ways, some GPS navigation units can also play a significant role in the guidance.
Due to the development of information technology, kinds of GPS navigation devices are available in different occasions. If you drive a car outside, car GPS can help you a lot. By offering an electronic map with specific information of time, location and direction, the GPS navigation system is able to show you a quick and correct route to the destination. Thus, you don’t have to worry about whether you will be lost during the trip. In addition to car navigation unit, there are also handheld GPS and GPS system built in the watch, cell phone and other portable devices. All of these navigation units are of great importance in guiding you to get a correct direction.
Losing the direction can be much troublesome in any trip. Fortunately, in the modern life, not only your friends and local people can bring you useful information, but also GPS navigation units can show you a quick and correct route in a flash. Then, what is your own way to get an accurate direction during the journey?
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GPS, relativity, and nuclear detection
GPS is just a big clock in space! (and it can detect nuclear explosions) Trying out a new feature: English Transcript! Let me know how it works Tweet it - bit.ly Facebook it - on.fb.me minutephysics is now on Google+ - bit.ly And facebook - facebook.com And twitter - @minutephysics Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute! Music by Nathaniel Schroeder youtube: bit.ly myspace: mysp.ac