XPost: sci.space.history   
   From: matthewota@bigvalley.net   
      
   Have you tried contacting JPL on this? They operate the Deep Space   
   Network for NASA and other clients.   
      
   Matthew Ota   
      
   dave.harper@gmail.com wrote:   
   > I was wondering what communications protocols have been used in the   
   > past with probes traveling beyond the earth-moon system?  I've read   
   > that G-tor was used for voyager, but would be interested in learning   
   > more about what protocols/hardware was used in the past, as well as   
   > currently with Cassini, the MERs, etc.   
   >   
   > Thanks in advance!   
   > Dave   
   >   
      
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