Here are some demonstrations illustrating concepts in radio science shared by other instructors that have proven helpful in their license instruction.
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This is a simple but very effective demonstration that helps to show the most basic principle of radio science, how radio waves travel and the role of electromagnetic fields.
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Wave Modulation Demonstration Board
Using the Wave Modulation Board in combination with the Parallax USP Oscilloscope you can provide a powerful demonstration of signal modulation for your students. The instructional board was developed by Mark Spencer WA8SME for ARRL's Education & Technology Program and can be purchased from the ARRL Store. The Parallax USB Oscilloscope can alse be purchased from ARRL or directly from Parallax.
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5 Building Blocks of Radio Demonstration Board
Using the 5 Building Blocks of Radio board in combination with the Parallax USP Oscilloscope you can provide a powerful demonstration of basic electronics components including the oscillator, rectifier, amplifier, mixer and filter, and how they work together in a radio. The instructional board was developed by Mark Spencer WA8SME for ARRL's Education & Technology Program.
Contact ARRL Education Services at ead@arrl.org if you would like to inquire about obtaining a copy. The Parallax USB Oscilloscope can alse be purchased from ARRL or directly from Parallax.
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Diana Eng, KC2UHB, Demonstrations
Diana is a young radio amateur who is sharing her exploration of amateur radio through video demonstrations. Here’s her very creative demonstration of directivity with a Yagi antenna:
Look for her instructional videos on setting up an HF radio and making a satellite contact as well.
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