| 1. | These are caused by requiring a whole number of half wavelengths fit the space.
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| 2. | The third index is equal to the number of half wavelengths down the length of the guide.
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| 3. | The one half wavelength design greatly reduced high angle radiation, thus solved the close in fading issues.
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| 4. | The distance between the piles is one half wavelength " ? / 2 " of the sound.
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| 5. | If the rings were closed, a half wavelength boundary would be electromagnetically imposed as a requirement for resonance.
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| 6. | In a darkened room, he also noted a glow at intervals along the wire at one half wavelength intervals.
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| 7. | One easy way to make a balun is a one-half wavelength ( ? / 2 ) length of coaxial cable.
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| 8. | From this, a square, one half wavelength ( on 790 kHz ), 625 foot tower was constructed in 1938.
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| 9. | So it is a half wavelength out of phase with the first wave when they combine, and the two waves cancel.
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| 10. | Hollow waveguides must be one-half wavelength or more in diameter in order to support one or more transverse wave modes.
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