Transcript Satellites
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SATELLITES
Published and Broadcast Information:
Digital Radio and TV
Jonathan Hawk
http://www.intelsatgeneral.com/resources/s
atellite-basics
Ground
source -> signal
Signal -> satellite antenna
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http://www.clker.com/cliparts/F/G/b/g/z
/I/rf-signal-wave-hi.png
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Signal
-> transponder
Transponder converts and amplifies
• Compatible with destination
http://www.clker.com/cliparts/F/G/b/g/z
/I/rf-signal-wave-hi.png
http://upload.wikimedia.org/wikipedia/co
mmons/9/90/Transponder_on_an_Afghan_
satellite_dish.jpg
http://www.imageconverterpro.
com/images/symbol.png
Signal
-> antenna
Antenna -> receiver on ground
Receiver -> destination (house).
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http://www.clker.com/cliparts/F/G/b/g/z
/I/rf-signal-wave-hi.png
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Satellite
Antenna
Transponder
Onboard Computer
http://mygaming.co.za/news/wp-content/uploads/2012/10/Hardware-pile.jpg
Input/Output
Send/receive
signals
Pass on to transponder
http://www.blogcdn.com/www.switched.com/media/2007/10/wideband_wearabl
e_antenna_nec_1.jpg
Input/Output
Signal
from antenna
Convert and amplifies signal
http://upload.wikimedia.org/wikipedia/commo
ns/9/90/Transponder_on_an_Afghan_satellite_d
ish.jpg
Processing
Executes
commands from Earth
Interpret collected data
Destination
http://www.astrium.eads.net/media/im
age/oscar-compact-powerful-andversatile-on-board-computer-basedon01.jpg
Operating
system
Most common
Receive/process commands
Direct signals
http://sine.ni.com/cms/images/casestudies/62222173_
660846.jpg?size
Controls
SCOS-2000
Automates satellites, reduced manpower.
Now very common
http://www.rheagroup.com/public/uploads/images/mois/reporter.png
http://www.rheagroup.com/public/uploads/images/news/RHEA_MOIS6-logo.png
Supreme
Court Case
Copyright violations
Take advantage of satellite transmissions.
http://upload.wikimedia.org/wikipedia/en/f/fd/Aereo_logo.png
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Separate antenna
per customer,
stored in data
center
Internet
http://3.bp.blogspot.com/LYmBdEGT_Os/UtC5Z_3TalI/AAAAAAAABYY/RCbgqPHWF8U/s1600/ScreenShot0
45.png
More
info-> more programming
Greater variety= more entertainment
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Satellite
-> tracking
Decreased privacy
Easy collection
Clip Art
Stolen
content
IP violation
Threaten to stop satellite broadcast
http://www.mobiletelevisionreport.com/images/2007/04/18/open_mobile_video_
coalition_logos_o.jpg
Signals
hold IP
Interception of signals (Aereo)
• Retransmit, avoid fees
http://www.tozers.co.uk/ipmatters/wpcontent/uploads/2013/06/Intellectual-property-copyright-netideas-vector-Converted-01.png
Important
information travel via satellite.
Unauthorized access-> abuse of power
http://www.essential-solutions.net/uploads/images/pages/Security.jpg
Satellite=
Massive info access
More info -> major advantage -> faster gap
growth
http://vis.driven-by-data.net/internet_and_population.png
Brown, Gary, and William Harris. "How Satellites Work." HowStuffWorks. HowStuffWorks.com, 19 May 2000. Web. 31
Jan. 2014.
"Components of a Satellite." ThinkQuest. Oracle Foundation, n.d.Web. 31 Jan. 2014.
Dunbar, Brian. "What Is a Satellite?" NASA. NASA, n.d.Web. 31 Jan. 2014.
"Frequently Asked Questions." Aereo. Aereo Inc., n.d. Web. 31 Jan. 2014.
Nice, Karim, and Tom Harris. "How Satellite TV Works." HowStuffWorks. How Stuff Works Inc., n.d.Web. 31 Jan. 2014.
"Satellite Operating System." Satellite Operating System. Kleinsatellitenprogramn Stuttgart, n.d.Web. 31 Jan. 2014.
"Supreme Court Agrees To Hear TV Networks’ Case Against Streaming Service Aereo." Streaming TV Aereo Case
Will Go To The Supreme Court. RedOrbit.com, 12 Jan. 2014. Web. 31 Jan. 2014.
"What Are the Parts of a Satellite?" FCC Satellite Learning Center. Federal Communications Commission, n.d.Web.
31 Jan. 2014.