FACTOID # 104: The Pitcairn Islands have the world’s shortest highway system, with only 6.4 kilometers of road. They also have the fourth-fewest main phone lines.
 
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Encyclopedia > 3D radar

3D Radar provides for radar coverage on three dimensions unlike the more common 2D Radar. While the normal 2D Radar provides range and azimuth, the 3D Radar provides altitude information with range and azimuth. Applications include weather prediction, defense and surveillance.

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  Results from FactBites:
 
Radar - Wikipedia, the free encyclopedia (4580 words)
Radar is used in many contexts, including meteorological detection of precipitation, air traffic control, police detection of speeding traffic, and by the military.
In the transmitted radar signal, the electric field is perpendicular to the direction of propagation, and this direction of the electric field is the Polarization of the wave.
Radar jamming refers to RF signals originating from sources outside the radar, transmitting in the radar's frequency and thereby masking targets of interest.
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