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A light-up board or maybe fire

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11y ago
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Q: What is the best way to send a signal to an at airplane that is a very long way away?
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Related questions

How long does it take a radar signal to go and return to the originating radar unit from an airplane that is 275 mi away?

2.953 milliseconds = 0.002953 second (rounded)


How long is an airplane?

the length of an airplane depends on the type of an airplane. So we cant reallyanswer your question


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Depends on the kind of airplane.


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Why is a slight shaking of the picture on a television screen noticed when a low-lying aircraft passes overhead?

Because as long as the airplane is nearby, you're receiving two signals from the TV station ... the direct one that you always get, plus another one reflected from the airplane. -- The distances traveled by the two signals are slightly different, and the difference between them keeps changing as the airplane moves. -- When the difference in the two path-lengths is just right so that the peaks of both signals arrive at the same time, they add together in your TV antenna, and for an instant, you get a combined signal that's slightly stronger than usual. -- When the difference in the two path-lengths is just right so that the peaks of one signal arrive together with the valleys of the other one, they cancel together in your TV antenna, and for an instant, you get a combined signal that's almost nothing, just as if the TV signal wasn't there at all. -- As long as the airplane is in a position where the direct signal and the reflection are nearly the same strength, you're watching a TV signal that's rapidly fluttering between extra-strong to very weak to extra-strong to very weak to extra-strong etc.


Who has the best Results on which homemade airplane design flies the best?

Try Omniwing.com. It has great instructions for a long-distance glider. Link: http://www.omniwing.com/index.html