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Microwave Communication

Microwave Communication
What do you call an attenuation that occurs over many different wavelengths of the carrier?

Slow fading
Rician fading
Wavelength fading
Rayleigh fading

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Microwave Communication
A Class-S Emergency Position-Indicating Radio Beacon (E.P.I.R.B)

Must be capable of floating or being secured to a survival
Must have its battery replaced after emergency use
All of these
May be tested during the first five minutes of any hour

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Microwave Communication
Calculate the effective earth’s radius if the surface refractivity is 301.

8493 mmi
8493 km
6370 mi
6370 km

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Microwave Communication
Which of the following is used as an oscillator device in the SHF band?

Both B and C
Klystron tube
Thyratron tube
Tunnel diode

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Microwave Communication
Klystron oscillators are most often used in the frequency range of

10 to 10000 MHz
3000 to 30000 MHz
30 to 30000 MHz
300 to 3000 MHz

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Microwave Communication
Which of the following is used as a high power microwave oscillator?

Reflex-klystron
Magnetron
Thyratron
Klystron

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MORE MCQ ON Microwave Communication

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