What kind of battery used by older satellites? Lithium Hydrogen Leclanche Magnesium TRUE ANSWER : ? YOUR ANSWER : ?
Is a loss of power of a satellite downlink signal due to earth’s atmosphere. Atmospheric loss Radiation loss Path loss RFI TRUE ANSWER : ? YOUR ANSWER : ?
_________ detects the satellite signal relayed from the feed and converts it to an electric current, amplifies and lower its frequency. LNA Satellite dish Satellite receiver Horn antenna TRUE ANSWER : ? YOUR ANSWER : ?
What is the local oscillator (mixer) frequency of the satellite with an uplink frequency in GHz band? 2225 MHz 3500 MHz 2555 MHz 4500 MHz TRUE ANSWER : ? YOUR ANSWER : ?
___________ is a satellite that rotates around the earth in a low-altitude elliptical or circular pattern. Nonsynchronous satellite Prograde satellite Retrograde satellite Geosynchronous satellite TRUE ANSWER : ? YOUR ANSWER : ?
In a typical mobile satellite array antenna if three elements are activated, how many elements are deactivated? 11 9 3 5 TRUE ANSWER : ? YOUR ANSWER : ?
What circuit is responsible in activating and deactivating adjacent antenna elements in a mobile satellite array? Divider/combiner Radial combiner Radial divider Radial multiplexer TRUE ANSWER : ? YOUR ANSWER : ?
What is the approximate path loss from satellite-to-earth station? 100 dB 200 dB 175 dB 150 dB TRUE ANSWER : ? YOUR ANSWER : ?
The smallest beam of a satellite antenna radiation pattern Global beam Spot beam Hemispheric beam Zone beam TRUE ANSWER : ? YOUR ANSWER : ?
Collects very weak signals from a broadcast satellite TWT LNA Helical antenna Satellite dish TRUE ANSWER : ? YOUR ANSWER : ?