Answer / ravi durbha

(1)For a satellite to be visible from the earth station.
(2)If the elevation angle is below certain value there will be interference with the ground reflected wave.

Answer / usha jagprakash singh yadav

if elevation angle below 5 degree then radio wave propagating through the atmosphere are more affected by noise and attenuation

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3 Answers   Ericsson, Tata Teleservices,

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i will be attending the HAL MANAGEMENT TRAINEE(TECHNICAL ) exam ,please i want previous years question papers of HAL in e&c.

1 Answers  

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If A speaks the truth 80% of the times, B speaks the truth 60% of the times. What is the probability that they tell the truth at the same time

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what is d difference between digital image processing & digital signal processing?

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What is meant by pre-emphasis and de-emphasis?

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2. What is the command to lock the TRX

0 Answers   NSN,

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What is the use of ranging?

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Why the current in power diode varies linearly rather than exponentially with voltage?

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why we use zener diode in switching action

1 Answers  

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