Comms Flashcards
What is the frequency range between 3-30MHz?
High Frequency (HF)
What is the frequency range between 30-300MHz?
Very High Frequency (VHF)
What is the frequency range between 300MHz-3GHz?
Ultra High Frequency
What is the frequency range between 3GHz-30GHz?
Super High Frequency (SHF)
What is the frequency range between 30-300GHz?
Extremely High Frequency (EHF)
What is an example of an HF system?
URC-109
What is are the examples of VHF systems?
SRC-54, and GRC-211
What are the examples of of UHF?
WSC-3, and URC-93
What are the examples of SHF systems?
WSC-6, and USC-69
What is an example of an EHF system?
USC-38
The capabilities of URC-109 include long haul transmission which involves what distance?
500 NM
URC-109 equipment includes how many transmitters?
23
Where is the location of the URC-109 transmitters?
Radio Transceiver Room (04-79-3-C)
Which VHF system is used for line of sight (LOS) communications and is used for Marine and LCAC evolution?
SRC-54(SINGARS)
The SRC-54 has how many transceiver radios are located in in the radio transceiver room?
16 Transceiver radios
Which VHF system is used for International Air Distress (IAD) 121.5 MHz?
GRC-211
How many transceiver radios are used by GRC-211?
2 transceiver radios located in Transceiver Room
What is the space number for the transceiver room?
04-79-3-C
Which UHF system has line of sight (LOS) capabilities which is roughly 30 NM?
WSC-3
What has unlimited range as long as a functioning satellite is overhead?
Satellite communications (SATCOM)
What type of WSC are unique because they frequency hop, making them capable of anti jamming operations?
WSC-3 Havequicks
The WSC-3 equipment has how many line of sight transceivers?
21
The WSC-3 equipment has how many satellite communications transceivers?
12
The WSC-3 equipment has how many havequick transceivers?
2
Which UHF system is used exclusively for UHF LOS data via link?
URC-93
How many URC-93 transceivers are there?
2
Which SHF systems is the primary provider of near worldwide digital voice, teletype (TTY), and digital data communications?
WSC-6 (DSCS)
This is better known as POTS (plain old temperature system) lines used to call offship
Digital voice
This is better known as chat and message traffic
TTY (teletype)
This is better known as IPC (internet protocol) and email services
Digital Data
Which equipment is used for WCS-6?
DSCS (defense satellite communication system)
Which SHF system is the secondary provider of near worldwide digital voice, teletype (tty), and digital data communications?
USC-69
Which equipment is used for USC-69?
CBSP (commercial broadband satellite program)
Which EHF system allows for satellite communication for ship to ship, ship to shore, and ship to submarine?
USC-38
Which EHF system can “call” any other EHF terminal connected to the network?
USC-38
Which EHF system can be used for internet provider services in an emergency?
USC-38
What is the only communication system on the ship specifically designed to survive a nuclear blast?
USC-38
This is defined as preplanned destruction, carried out on calendar basis
Routine destruction
This is defined as unplanned destruction, 30 minutes to destroy materials in case of abandon ship or enemy infiltration ordered by the CO
Emergency destruction
This is defined as any event or practice that could or does lead to a loss of communication security
COMSEC Incident
This is a security measure requiring two persons to prevent single person access to COMSEC and EKMS materials
Two person integrity
This is a network used to transmit classified information up to and including classified secret
SIPR (Secret Internet Protocol Routing)
This is used to exchange unclassified information amongst private network, the largest in the world
NIPR ( Non-secure internet protocol router)
