From: nospam@127.0.0.1   
      
   Sylvia Else  writes:   
   > The launch time determines the orbital plane. Unless a mission is insensitive   
   > to that there's little option but to wait until until the narrow window   
   > reopens. A small amount of plane change after launch is possible, but it   
   > consumes fuel   
      
   Yes that makes perfect sense. So the question remains, what is a   
   sustainable launch cadence from a single point of departure? Narrow   
   launch windows don't help if the hardware has reliability   
   problems. Which of course as you rightly point out in many cases are   
   necessary. Does that argue for multiple launch sites and more staggered   
   launch slots? Again we don't really know, we've never experienced this   
   level of traffic before. It will all be very interesting to see how this   
   unfolds.   
      
   Dave   
      
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