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Home » Harmonics and Parasitics » 9 » a An interfering signal from a transmitter has a frequency of 57 MHz. This signal could be the: a. b. third harmonic of a 15 metre transmission c. second harmonic of a 10 metre transmission d. crystal oscillator operating on its fundamental Your answer "a" is not correct. "c" is the right answer. 57 / 7 = 8-ish 57 / 3 = 19 57 / 2 = 28.5 (the 10 metre band is 28-29.7) Next |