Electromagnetic Spectrum - MIT Haystack Observatory

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Radio Waves -Radio waves viewed on Earth from space have a much larger window on the electromagnetic spectrum -Although you can’t “see” radio waves, you see them in use everyday. - Can you brain storm a list of radio waves used around you AM and FM radio broadcasts Cordless phones Garage door opener Wireless networks Radio controlled toys TV broadcasts GPS receivers Ham radios Police radios Wireless clocks Satellite communications Baby monitors Microwave ovens Radar Scanners
How can all these things use radio waves and not overlap? - They all run on different frequencies. - There are thousands of different radio waves. -The FCC (Federal Communications Commission) decides who uses what frequency <strong>Spectrum</strong> of Radio Waves
Page 2 and 3: Radiation -Transfer of energy throu
Page 4 and 5: Amplitude - maximum departure from
Page 6 and 7: Comparison of wave properties
Page 8 and 9: Waves are formed as a result of a d
Page 10 and 11: Electromagnetic Radiation is carrie
Page 12 and 13: Size of Electromagnetic Spectrum of
Page 14 and 15: Wavelength Units Nanometer (nm) pre
Page 16 and 17: Atmosphere window of electromagneti
Page 18 and 19: Intensity (Brightness) of Radiation
Page 20 and 21: Again, you can see that as an objec
Page 22 and 23: By measuring the wavelength at the
Page 24 and 25: Wien’s Law (Peak Wavelength) λ =
Page 26 and 27: Look at the peak wavelength emissio
Page 28 and 29: 3 Types of Spectra - Continuous, Em
Page 30 and 31: Continuous Spectrum - Spectrum is c
Page 32 and 33: Absorption Lines - Low density cool
Page 37 and 38: Basic radio wave technology - Waves
Page 39 and 40: Radio Astronomy - The transmitters
Page 41: Comparative view of radio and visib

Electromagnetic Spectrum - MIT Haystack Observatory

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