Why is antenna elevation angle at the ground station for satellite communication always kept above 5 degrees?

2 Answers   ABCL, Seagate,

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vswr?

3 Answers  

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what is transistor biasing?why it is necessary?

12 Answers   Infosys, Kuntham, TATA,

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Consider sinc(x):where sinc(x)=sin (xpi)/xpi. and sinc(x) have max value i.e. unity at x=0 .now if x=0.then pix =0 and sin (pix)=0 at x=0. then above expression sin (xpi)/xpi.should be of 0/0 form i.e. in-determined form. then how sinc(x) is one at x=0. pi is constant.

1 Answers  

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how ur education is useful to wipro?

1 Answers   Wipro,

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how works an op-amp

1 Answers  

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What are the applications of log amplifier?

0 Answers  

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why we use vsb transmission for video signal transmission and why dont we use ssb transmission?

6 Answers  

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Name the interfaces between a) BTS and MS b) BTS and BSC c) BSS and MSC d) TRAU and BSC e)BSC and PCU

2 Answers  

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iffco exam paper previous year & syllabous

2 Answers   IFFCO,

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what is meant by interrupt vector table? what it's use?

8 Answers  

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How does a cell phone works?

0 Answers   CTS,

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