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Terrestrial radar, using over-the-horizon techniques, around 3000~5000 km. Astronomical radar, at least as far as Venus.
this is completely dependant on the range of the specific radar.
As far as I know, radar was invented by a Hungarian scientist named Zoltan Bay. That radar was first used in World War II by the British troops.
Radar is used to track things, while the telescope can only magnify or see things from a far distance. Radar is visible, while a telescope is not. Telescopes are old, radar is new (:
Having a radar detector will alert you when a Police Car with its speed radar is near. The Radar Detectors will produce an audible signal alerting you of this, and will do so far in advance of when you are able to see the Police Car.
Police radar can typically spot your speed from up to a few hundred feet away, depending on the model and conditions such as weather and line of sight. Advanced radar systems may have a longer range, but generally, they are effective within a few hundred meters.
A 100 mile radius from Orem is 100 miles.
you use your radar thingy and look down in the ground but first go to the cemetery lot a and find a lady behind a tombstone, then click a pic of the ghost with your camera. then take it to the newspaper office and give it to her. then go to the bank and go down to the volt give it to the officer the dog will scratch at a spot use your radar thingy to look and there is a glowing object take a picture for proof and that is how far Ive gotten
Sometimes tornadoes can evade radar detection. This most often happens if the tornado is short lived, and thus is missed as the radar beam rotates, or occurs far away from the radar. Fortunately this occurs less often with strong tornadoes.
A radar gun can detect the speed of vehicles of up to 1 mile, on an average. It depends on the radar gun's make and model, it may detect farther than 1 mile.
28inch is diameter as far as I'm aware. 28/2 is 14in radius.
The Radius