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60 Cards in this Set
- Front
- Back
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The TD-1063-ssr-1 demultiplexes the signal from the MD-900 into how many 75 baud out put channels?
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15
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How are signals patched to users via the TD-1271B/U?
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SB4124
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The FCC-100 multiplexer normally provides how many full duplex input/output ports?
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16
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A typical satellite link consists of what?
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Two earth terminals
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What type of communication satellite amplifies recieved signals and retransmits them back to earth?
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Active
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What are the two types of orbits?
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Synchronous and Asynchronous
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What system provides worldwide, jam resistant, survivable and low probability of intercept of communications to support both shore and afloat commands?
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EHF
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What is the baud rate that the TD-1063/SSR-1 demultiplexes the signal from the MD-900?
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75
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What is the EHF resources segment controlled by?
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NECC
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What is the anguler measurements in a horizantal plane and in a clockwise direction?
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Azimuth
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What system is intended for tactical use over the horizon for ship to ship, ship to shore, and shore to ship secure voice communications?
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SATHICOM
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DAMA SAC provides timing, crypto parameters, and coordinates all slot assignments and other user requests via what?
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RCCOW and CCOW
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Where does DAMA equipment accept encrypted data from?
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Independent Subsystems
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What equipment is used to save all memory variables when the MUX power is removed?
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KGV-11
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What baseband subsystem if designed to interface with AN/WSC-5 and the DAMA compatable AN/WSC-3 trancievers?
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UHF
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How does crypto reach the NAVMACS V2 input channels via the NOVEMBER system?
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SB-4255
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How do communications system relay earth terminals and afloat units?
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Satellite
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Where are DAMA SACS mostly persent?
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Shore commands
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What multiplexer sends four individual data or voice signals to form one data streams?
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TD-1271B/U
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SHF frequencies are realy effected by naturally occuring scintillation, making SHF SATCOM a particulary _______ form of communications.
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Reliable
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Which type of communication satellite reflects radio signals back to earth?
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Passive
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Who is responsible for maintenance of net control?
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NCTAMS or NCTS
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What bandwidth satellite channel utilized by the TD 1271B/U?
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25khz
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The RF signal is received by antenna and fed to what?
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WSC-3
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Multiplexing is the simultaneous _______ of two or more signals within a singal RF carrier.
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Transmission
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At what speed does a synchronous satellite travel at?
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The same speed as the earths rotation.
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The TIMEPLEX LINK/2+ System can have link speeds from 4.8kbs to what?
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2.048 Mbps
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Time division multiplexing is the process of transmitting two or more signals over a common path by allocating a different _______.
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Time Interval
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DAMA equipment accepts what kind of data and combines them into a data stream?
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Encrypted
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The FCC-100 multiplexer utilizes what bandwidth?
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SHF
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T/F the SATCOM system is a receive only system?
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False
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Tracking requires the knows position of the satllie and what two things?
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Elevation and Azimuth
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What satellite systems use NECCS to manage and control TADIXS?
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EHF
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What is the primary use of the SATHICOM system?
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To allow ships to report emergencies or critical situations to higher authority.
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DSCS links are designed to provide ________ points to point service under normal conditions and to maintain the minimum required circuits during jamming conditions.
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High Capacity
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What effects on satellite communications do the atmoshphere have?
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Minimal
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Which circuit of communication's primary purpose is used to report emergencies to highest authority?
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SATHICOM
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What is the initial mode of operation envisioned utilizing TD-1272B/U 25khz DAMA multiplexers?
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Automatic control mode
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Multiplexing of two or more signals result in?
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Seperation
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The angle between the equatorial plane of the earth and the orbital plane of the satellite is know as the _______.
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Angle of inclination
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How many inputs does the MD-900 receive and demodulate before sendign the signal to the demultiplexer?
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4
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Time division multiplexing is the process of transmitting two or more signals over a _______ by allocating a different time interval for the transmission of each channel.
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common path
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How many satellite channel was DAMA designed to multiplex on?
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One
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T/F. The TD-1271B/U was designed to save all memory variable when the MUX power is removed.
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False
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Other than the navy, what other user was DAMA designed for use by?
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DOD
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Frequency division multiplexing is the process of transmitting two or more signals over a common path by sending each one over a different _______.
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Frequency band
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Why is circuit discipline vital when using SATHICOM?
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To ensure that units may access when required.
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Which antenna is associated with the NOVEMBER system?
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AS-2815
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In addition to crypto, what does the SAC provide?
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Timing
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A typical satellite link amplifies and retransmit signals on a different _______.
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Satellite
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What provides timing crypto parameters and coordinates all slot assignment?
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SACS
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Amplifies received and transmit back.
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Active
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Reflects back to earth
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Passive
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Same speed
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Synchrounous
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faster or slower
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Asynchronous
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Satellite signal recieving area.
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Footprint
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How many synchrounous satellite cover earth?
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Three
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angle between plane of earth and plane of satellite
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Angle of Inclination
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tracking require known positions of the satellite and angles of ________ and _______.
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Azimuth and Elevation
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UHF SATELLITE EQUIP
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AN/WSC-3
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