Q. The L band has the Up-link of

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Q. Satellites process microwaves with bidirectional antennas, which is

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Q. In cellular telephony, voice communication using analog signals was designed for the

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Q. In Global Service for Mobile (GSM), each voice channel is digitized and compressed to a digital signal of

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Q. The satellite must move at the same speed as the Earth, to ensure the constant

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Q. The scrambling signal is produced from a

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Q. Another use of GPS is in

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Q. The Iridium System was materialize in

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Q. In geostationary orbit, the satellites are used for

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Q. For digitized voice communication, the second generation was mainly

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Q. Low Earth Orbit (LEO) satellites are close to

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Q. Each satellite of the Iridium system is at an altitude of

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Q. Teledesic has

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Q. The term that is used to design to provide communication in between two moving units is called

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Q. The mobile station moves from one cell to another during a

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Q. Satellite network is a combination of

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Q. Middle Earth Orbit (MEO) are located at altitude in between

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Q. In cellular telephony each slot holds

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Q. The Iridium System was halted in 1999 due to

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Q. AMPS is an analog cellular phone system using

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