Why the uplink and downlink frequencies are different in a satellite?

Why the uplink and downlink frequencies are different in a satellite? Since a mobile station (cellphone) cannot afford to transmit at high power to compensate for this loss, it must transmit on a lower frequency as a lower frequency presents lesser free space path loss. Therefore, mobile-to-base station (uplink) frequencies are lower than base station-to-mobile(downlink) […]

What is fern flower?

What is fern flower? Fern Flower is a magic flower in Slavic and Baltic mythologies. According to the myth, the fern flower blooms for a very short time on the eve of the Summer Solstice (celebrated on June 23 or sometimes July 7). The flower brings fortune to the person who finds it. Do Ferns […]

What nationality was Cleopatra?

What nationality was Cleopatra? Macedonian Was Cleopatra Arab? At the Oxford University Press blog, Cleopatra biographer Duane W. Roller has noted that, “the best evidence shows that Cleopatra was three-quarters Macedonian Greek and one-quarter Egyptian. Was Cleopatra a descendant of Ptolemy? Born in 70 or 69 B.C., Cleopatra was a daughter of Ptolemy XII (Auletes), […]

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