Welcome Students!. Hello…Anybody Out There? What do these things have in common? All these things...
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Transcript of Welcome Students!. Hello…Anybody Out There? What do these things have in common? All these things...
![Page 1: Welcome Students!. Hello…Anybody Out There? What do these things have in common? All these things use radio waves to send or receive information!](https://reader036.fdocuments.us/reader036/viewer/2022062421/56649d7f5503460f94a62023/html5/thumbnails/1.jpg)
Welcome Students!
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Hello…Anybody Out There?
• What do these things have in common?
All these things use radio waves to send or receive information!
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Electromagnetic Spectrum
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Air: Information Highway
sends information
helps transmit and receive information
receives information
Transmitter:
Receiver:
Antenna:
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Antennas
Smaller waves
(size of humans)
Bigger waves
(size of buildings)
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Binary Code (Computer Language)
• Bi = a prefix meaning two
• Binary Code: A code that uses two types of symbols to represent data.
0 = 00000 5 = 00101
1 = 00001 6 = 00110
2 = 00010 7 = 00111
3 = 00011 8 = 01000
4 = 00100 9 = 01001
10 = 01010
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Pictures
• Pixel-”Picture Element”, one of many tiny squares that makes up a bigger picture
Several Hundred Pixels
Several Thousand Pixels
Several Million Pixels
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Houston…we have communication
Ground Control- the operating position where the satellite is controlled
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Operation Communication
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Satellites Ground Stations
Operation Communication
4
A C
1
2
3
B D
4
A C
1
2
3
B D
A1A1
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A 1
1. Ground station will ask for A1 by sending the ball with the “A1” sticker to satellite.
2. Satellite looks to see what color A1 is.
0010
A
1
Blue = 0010
3.Then sends the binary code for the color back to the Ground Station.
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4. Ground Station looks to see what color the binary code is.
A
1
0010
5.Then the Ground Station colors in A1 that color.
Blue = 0010
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6. Then pick another square and do it again!
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Operation Communication
• Get into groups
• Gather materials
• Houston…we’re go for communication
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