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Satellite Communication

Satellite Communication
A mobile satellite array has usually how many elements?

12
14
88
6

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Satellite Communication
AsiaSat I covers how many countries in Asia?

28
15
10
38

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Satellite Communication
The owner of AsiaSat 2 is

Asia Satellite Telecommunications Company (ASTC)
Singapore Satellite Commision
Japan Satellite System (JSAT)
China Great Wall Industry Corporation

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Satellite Communication
Collects very weak signals from a broadcast satellite

TWT
Satellite dish
Helical antenna
LNA

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Satellite Communication
What is the local oscillator (mixer) frequency of the satellite with an uplink frequency in GHz band?

4500 MHz
2555 MHz
3500 MHz
2225 MHz

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Satellite Communication
Most mobile satellite array uses ___________ in transforming 50 to 150 Ω impedance.

Balun
Microstrip tapers
Quarter-wavelength transformer
Stub

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