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en:graves [2014/11/27 12:22]
kaklik [Meteor tracking using GRAVES]
en:graves [2014/11/27 12:26]
kaklik [Meteor tracking using GRAVES]
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 Bistatic [[https://​en.wikipedia.org/​wiki/​Graves_%28system%29|GRAVES radar]], located in France (JN27SI), operates at frequency 143.050 MHz 24 hours a day (with high level of radiated power - several MW). Its objective is so-called [[https://​en.wikipedia.org/​wiki/​Air_Force_Space_Surveillance_System|space surveillance]],​ mapping man-made objects orbiting the Earth over French territory. Bistatic [[https://​en.wikipedia.org/​wiki/​Graves_%28system%29|GRAVES radar]], located in France (JN27SI), operates at frequency 143.050 MHz 24 hours a day (with high level of radiated power - several MW). Its objective is so-called [[https://​en.wikipedia.org/​wiki/​Air_Force_Space_Surveillance_System|space surveillance]],​ mapping man-made objects orbiting the Earth over French territory.
  
-{{:​graves:​graves_range.jpg?​600|}}+{{:​graves:​graves_range.jpg?​600|GRAVES Radar radiatin pattern projection in 100km above Earth surface and theoretical visibility radius}} 
 + 
 +The image above shows a gray colored area which is projection of GRAVES radiation pattern to spherical surface 100km above Earth. The red triangle indicates theoretical visibility limit  of reflection comming from the gray area. 
 ===== Radar parameters ===== ===== Radar parameters =====
  
en/graves.txt · Last modified: 2014/11/27 12:32 by kaklik