XPost: sci.physics, sci.space.policy   
   From: jfmezei.spamnot@vaxination.ca   
      
   On 2017-05-25 16:22, Greg (Strider) Moore wrote:   
      
   > Telemetry. Though I believe during shuttle launches the decision was also   
      
   So a launch company such as SpaceX has to give the military the   
   acceptable flight envelope inside of which no range safety is needed,   
   and outside of which, range safety is needed.   
      
   Would this be what takes weeks to type onto the punched cards needed for   
   their 1970s computer to make the real time decision of whether the   
   rocket is within acceptable parameters?   
      
   Wouldn't it be simpler for the launch company to just send constant flow   
   of "OK" mesages (they do the validation of the flight performance) and a   
   "NOT OK" the micro second the rockets goes outside of flight envelope?   
      
   I find it odd that it would take so long to go from one launch to another.   
      
   Legally speaking, could SpaceX build and operate its own range safety   
   for KSC launches and not have to deal with the ancient military systems   
   ?  Or does the military have legal right to demand that it be in charge   
   of range safety?   
      
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