Global Positioning System satellites transmit signals to equipment on the ground. GPS receivers passively receive satellite signals; they do not transmit. GPS operations depend on a very accurate time reference, which is provided by atomic clocks at the U.S. Naval Observatory. Each GPS satellite has atomic clocks on board.
Tuesday, January 17, 2012
Tuesday, January 10, 2012
Examine Carefully your GPS Tracking Company
The Internet has allowed several "fly-by-night" GPS vendors to enter the market, and many companies that are seeking to install a quality system do not take the time to examine the company from whom they are considering purchasing. Many GPS vendors selling products over the Internet are barely educated on the product they are selling, and many are selling out-dated systems that operate on out-dated wireless networks. We ask you to please take the time to learn about your vendor.
Monday, December 26, 2011
Up and Down
The nearly non-existent growth in the economy has been pushing gas and diesel prices in both directions in recent weeks, leading the U.S. Energy Information Administration (EIA) to adjust its projections for fuel prices heading into 2012. How much, though, remains at the mercy of the economic recovery.
Wednesday, December 21, 2011
Stratolaunch Systems
Just months after NASA ended its shuttle program, Microsoft co-funder Paul Allen is investing his own money in a new venture to launch satellites*, people, and supplies into space. Instead of relying in ground based rockets, Allen's Stratolaunch Systems would transport cargo into the atmosphere on a mammoth airplane and then blast it into space.
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