Antenna Briefs #1 - Frequency, Wavelength, and Size
This is the first in a series of videos on antennas and how they work. It is based on and supports a university course, but covers material without any deep math. In Episode 1 we overview key elements of radio antenna operation and signal propagation. We start with the first antennas created by Hertz and proceed to demonstrations with modern antennas - focusing initially on dipoles. Additional types including loops, monopoles, and dish antennas are covered as examples of real-world antennas and are presented across the frequency range from 1 MHz to 40 GHz. The key takeaway is the formula for wavelength and how it relates to frequency antenna size (and directivity).
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_________________ Life above 50,000 MHz 73! Stanisław Kłodzko JO80IK IC-7300 + IC-9700 + (2m - 9el + 250W), (70cm - 21 el + 250W), (23cm - 55 el + 150W)
