Wednesday, August 15, 2012

40 GPS Facts & Figures

    GPS satellites circle the earth twice a day.
    GPS satellites are powered by solar energy.
    GPS satellites circles the globe at about 12,000 miles (19,300 km) a day.
    Each satellite transmits on three frequencies.
    2004 - 50th GPS satellite launched.
    2012 - More than 1,000 gps app @ Google Play
    2012 - More than 6,000 gps app @ iTunes
    GLONASS – A Russia's global navigation system satellite
    GALILEO - a global system being developed by the European Union.
    COMPASS – A People's Republic of China's global system.


11. IRNSS - India's regional navigation system.

12.The GPS signal contains a 'pseudo-random code', ephemeris (pronounced: ee-fem-er-iss) and almanac data.

13.With a minimum of three satellites, your GPS receiver can determine a 2D position fix.

14.With four or more satellites, a GPS receiver can determine a 3D position fix.

15.GPS receivers are line-of -sight instruments, they need to see the sky to operate.

16.GPS time is accurate to about 14 nanoseconds.

17.GPS can determine Velocity (speed you are travelling).

18.GPS can determine Time.

19.GPS can determine Location (where you are).

20.GPS can determine Speed.

21.GPS can determine Bearing.

22. GPS can determine Sunrise and sunset.

23. GPS can determine Distance to destination.

24. GPS can determine Trip distance.

25. GPS-based location devices help police recover stolen cars.

26.Homer Simpson has the most downloaded GPS voice in the world according to the World Guinness Book of World Records.

27. The GPS system and its data have revealed that Mt. Everest is getting taller!

28. GPS also makes it easier to find oil and coal, track wildlife and manage timberlands.

29. GPS helps the fishing industry locate productive fishing areas and helps boaters avoid hazards.

30. Now, GPS has become more important in our daily life.

31. The GPS project was developed and realized in 1973 by U.S Department of Defense.

32. In 1992 GPS was used in Operations Desert Storm.

33. GPS was fully operational running with 24 satellites in year 1994

34. 1983 - GPS system was made available to the civilians.

35. Civilian GPS uses the 'L1' frequency of 1575.42 MHz.

36.Civilian GPS applications use with three basic components: absolute location, relative movement, and time transfer.

37. Transmitter power is only 50 watts or less.

38. A GPS satellite weighs approximately 2,000 pounds.

39. Each satellite is built to last about 10 years.

40. Each satellite is about 17 feet across with the solar panels extended.

Anyway, GPS now is must have app whatever if your are driving, hiking, sports, business etc.

1 comment:

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