XPost: sci.space.tech   
   From: jematfriidotnet@frii.com   
      
   I realize that all spacecraft require some degree of radiation hardening,   
   but within reasonable limits, what are the altitude ranges that might be   
   recommended for earth satellites for equatorial orbit? I understand that   
   there are two particularly intense belts of radiation; at what altitudes   
   might they best be avoided?   
      
   Jim McCauley   
      
   --- SoupGate-Win32 v1.05   
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