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Probably still electric?
They used to use very high voltage DC, long ago, I am not sure now. There is still some copper/electric involved - a few years ago I was PM-ing the landing area/backhaul for a transatlantic cable and I had surveyors wandering around the beach in Cornwall with cat & genny kit trying to find the existing cables in the same area so we didn't screw them up with the trenching plough.
Posted by: Kev Baylis   Posted on: 04/10/08 You are currently: a Guest | Members login | Terms of Use
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Physical Compression  Dr_Zinj | 04/09/08
Treated?  jhurst747 | 04/09/08
That's the expensive way...  JohnMcGrew@... | 04/09/08
RE: (Photos: Australia's 5,500-mile Internet connection)  chris752 | 04/09/08
RE: (Photos: Australia's 5,500-mile Internet connection)  vulcan96 | 04/09/08
RE: (Photos: Australia's 5,500-mile Internet connection)  vulcan96 | 04/09/08
They are called "Notice to Mariners"  Michael P. | 04/09/08
What does Australia use now? Satellite?  meryllogue@... | 04/09/08
They use other existing cables...  UncleBubba | 04/09/08
RE: (Photos: Australia's 5,500-mile Internet connection)  maxtheitpro | 04/09/08
RE: (Photos: Australia's 5,500-mile Internet connection)  stewpeake | 04/09/08
Australia and . . . . Hawaii??  CobraA1 | 04/09/08
AZ to Hawaii just part of global network  K1FDH | 04/11/08
Here's the link to Int'l. submarine cables  K1FDH | 04/11/08
RE: (Photos: Australia's 5,500-mile Internet connection)  paul351 | 04/09/08
another reason  seanferd | 04/09/08
RE: (Photos: Australia's 5,500-mile Internet connection)  blackjack861@... | 04/09/08
Pure science vs. entertainment etc.  boomchuck1 | 04/10/08
Toil and Sacrifice  Methushelah | 04/10/08
What microscope are we supposed to use  mhenriday | 04/11/08
Relevance  Methushelah | 04/24/08
Idiot  bigjohnt@... | 04/12/08
RE: (Photos: Australia's 5,500-mile Internet connection)  leanne_martinau | 04/10/08
Powering the amplifiers?  bbbaldie_z | 04/10/08
Probably still electric?  Kev Baylis | 04/10/08
RTFM  Kev Baylis | 04/10/08
High voltage DC still used  K1FDH | 04/11/08
Has anyone seen any video posted?  clare_smith@... | 04/10/08
Latency  brittonv | 04/10/08
Modern Fiber cables use solid state amps  K1FDH | 04/11/08
RE: (Photos: Australia's 5,500-mile Internet connection)  Kapukini | 04/14/08
RE: (Photos: Australia's 5,500-mile Internet connection)  NZJester | 04/16/08
WIRED covered this many years ago:  gbdrbob | 07/15/08

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