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radio signal bents around the curvature of earth and hence travel longer distance than the line of sight signal. At ultra high frequencies signal follows the line of sight path and hence maximum communication distance is limited due to curvature of earth for given height of transmitting and receiving antenna
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MaxineThe radio horizon is the maximum distance at which a communication signal can travel based on the curvature of the Earth and the frequency of the signal. The optical horizon is the farthest point visible to the naked eye due to the Earth's curvature and obstacles such as buildings or mountains. Essentially, radio horizon deals with communication signals while optical horizon pertains to what can be seen with the eye.
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How do radio telescope different from optical telescope?
Radio telescopes collect radio waves. Optical telescopes capture visible light waves.
What is the difference between Radio detection and ranging and Radio detection and ranging satellite?
The Difference is that Radar Satellites are just a more advanced version of Radar.
What year was the non optical telescope invented?
The non-optical telescope, primarily radio telescopes, were invented in the 1930s. One of the first and most notable radio telescopes was built by Karl Guthe Jansky in 1931.
What two regions of the electromagnetic spectrum are best utilized by ground based astronomers?
Ground based astronomers utilize the optical and radio regions of the electromagnetic spectrum. Optical wavelengths provide high-resolution images of celestial objects, while radio wavelengths help study objects that emit radio waves, such as galaxies and pulsars. By combining observations from both regions, astronomers can gain a more complete understanding of the universe.
What signal can go through the ionosphere?
Radio waves can pass through the ionosphere. This enables long-distance communication, such as radio broadcasts or communication with satellites, to be transmitted over the horizon.
