Monday March 22, 2010 5:33 PM AEST

NASA lunar probe broadcasts 461GB of data daily

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NASA lunar probe broadcasts 461GB of data daily
By Justin Robinson
Aug 21, 2009 | 7 Comments
Tags: NASA | lunar | probe | broadcasts | 461GB | of | data | daily

The lunar probe's got some new old-school tech.

The whole point of sending a hunk of metal into space to observe those things we're not close enough to see clearly is to have enough data to justify the expense - but one of the problems that NASA had run into was actually getting the information back to Earth.

Thankfully for us the scientists and engineers at NASA looked back to the past for a brand-new design, basing a new transmitter on older vacuum-tube technology as opposed to the current transistor-based (just like older radios).

Called the Travelling Wave Tube Amplifier, it's a 13-inch tube built by L-3 Communications Electron Technologies that uses electrodes to create high-powered microwave radiation - ideal for transmitting data over long distances without loss of quality.

The system works so well that they've been able to record speeds of up to 100Mbps, roughly equivalent to cabled networking on the ground, which give the lunar probe the capability to send an amazing 461GB of pictures, video and measurements recorded.

This also has potential use in geostationary satellites such as the communication and GPS systems orbiting the Earth, as a significantly increased bandwidth available would allow greater amounts of data - and therefore a wider range of uses.

Head over to NetworkWorld to read a lot more on the lunar probe, and cross your fingers for an eventual high-bandwidth internet streaming service - wirelessly from space.

 

 
 
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7 Comments
Thoughts on this article? Add a comment below.
Argotha
Aug 21, 2009 12:02 PM
And it is about this stage that I wish I didn't do HSC physics (stupid knowing exactly what they are talking about while trying to study for exactly what they are talking about >.< )
thesorehead
Aug 21, 2009 12:35 PM
Kewl. I can think of better (well... cooler anyway) uses for high-power microwave radiation though ...
http://images2.wikia.nocookie.net/supcom/images/thumb/e/ed/Monkeylord_insitu.jpg/400px-Monkeylord_insitu.jpg
:--P

So... when are we building the robotic moonbase?
TheFrunj
Aug 21, 2009 1:47 PM
thesorehead, actually probably not for a while! :P

http://www.atomicmpc.com.au/News/143815,nasas-moon-base-plans-abandoned.aspx

-JR
N3M3SiS
Aug 21, 2009 3:13 PM
"radiatoin"?

FFS Atomic, please buy a speel chacker. Please.
TheFrunj
Aug 21, 2009 3:26 PM
N3M, that was one typo from quite a few articles, so I'm still on a pretty good accuracy rating :P
Trekker
Aug 21, 2009 4:44 PM
beats my adsl 1 coneection... ADSL 2 + Where The Fuch are you
robzy
Aug 22, 2009 4:08 PM
Yup, the moon gets better bandwidth than my house.

Rob.
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