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60 Cards in this Set

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