home bbs files messages ]

Forums before death by AOL, social media and spammers... "We can't have nice things"

   sci.space.science      Space and planetary science and related      1,217 messages   

[   << oldest   |   < older   |   list   |   newer >   |   newest >>   ]

   Message 317 of 1,217   
   Joann Evans to All   
   Re: Satellite to Satellite communication   
   10 Dec 03 00:53:22   
   
   XPost: sci.space.moderated, sci.space.station, sci.space.tech   
   From: bondage@frontiernet.net   
      
   "Greg D. Moore (Strider)" wrote:   
   >   
   > "Norris Watkins"  wrote in message   
   > news:a4c8fc50.0312071137.553490fc@posting.google.com...   
   > > Hello:   
   > > 1. When you make an international phone call - say from NY to China -   
   > > how does the voice data travel ? Does it have to be send to the   
   > > satellite and then received at teh ground, some distance away, then   
   > > sent to another satellite till it reaches the destination country. ? I   
   > > mean is there any direct satellite to satellite communication. Or is   
   > > it always bouncing between teh satellite and the ground at an angle.   
   >   
   > Generally ground to sat to ground and that's it.   
   >   
   > Sat to sat communication is fairly rare.   
      
      It's been my imprression that there may be some military sat-to-sat   
   stuff going on at 60 gigahertz. This band is readily absorbed by oxygen,   
   making ground intercept of these signals impractical.   
      
   (Googling for a minute)   
      
      Here's a reference:   
      
   http://www.ydi.com/deployinfo/wp-benefits-60ghz.php   
      
      
      
   --   
      
      You know what to remove, to reply....   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

[   << oldest   |   < older   |   list   |   newer >   |   newest >>   ]


(c) 1994,  bbs@darkrealms.ca