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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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 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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 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
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 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.