Types of Broadcast Satellite Comms Security Ship/Shore Circuit Modes of Operations Service Action

100

What is Fleet Multi-channel Broadcast System
is the primary means of delivering message traffic to the Fleet.

100

What is UHF DAMA subsystem
was developed to allow multiple baseband subsystems, or users, to simultaneously use a single 25 or 5 kilohertz (kHz) satellite channel.

100

What is COMMUNICATIONS SECURITY (COMSEC)
is the measure and controls taken to deny unauthorized person(s) information derived from telecommunications and ensure the authenticity of such telecommunications.

100

What is simplex, duplex and semi-duplex,
The three methods of operating circuits

100

What is a Service messages
Are short, concise messages between communication personnel. Such messages have the force of official communications and will be accorded prompt attention.

200

What is MULCAST System
is a highly flexible system providing global broadcast service to the Fleet via four major communications areas.

200

What is Super High Frequency Satellite Communications (SATCOM)
System provides worldwide coverage with high-capacity, anti-jam (AJ), real-time command and control communications links with full-duplex communications capability via SHF Satellites, between designated mobile units and Defense Satellite Communications System (DSCS) shore sites.

200

What is COMSEC material
consists of aids and hardware which secure telecommunications or ensure the authenticity of such communications.

200

What is Semi-duplex
circuits are a combination of the simplex and duplex modes. All stations except the NECOS transmit and receive on the same frequency.

200

What is Communications officers
May delegate release authority for service messages down to the communications watch supervisor.

300

What is multi-channel broadcast
A maximum of sixteen channels of information are combined to form the

300

What is Extremely High Frequency system
provides the services with interoperable and survivable SATCOM.

300

What is Access And Visitors Control
Maintain a master list of individuals having routine access to classified communications spaces. At a minimum this list should show the name and rank of authorized personnel, level of clearance and access authorized, as well as their specific function/spaces, e.g., fleet center, tech control, message center.

300

What is Duplex
describes a circuit designed to transmit and receive simultaneously. In such operations each station transmits on a different frequency and both stations transmit concurrently.

300

What is Operating signals
Commonly referred to as "Q" and "Z" signals, are found in ACP 131 and its supplement, and provide a concise unclassified code designed for use by communications personnel to exchange information related to establishing communications or message handling.

400

What is TACAMO
Is a survivable communications link during trans-attack and post-attack phases of conflict. It enables the President and the Secretary of Defense to directly contact submarines, bombers and missile platforms protecting our national security through strategic nuclear deterrence

400

What is Ultra High Frequency (UHF)
consisting of Fleet Satellites (FLTSAT'S), and Leased Satellites (LEASAT'S), provides worldwide communication connectivity with all naval ships and submarines, certain land and air platforms, and fixed shore sites.

400

What is BEADWINDOW
is a real-time procedure which brings to the immediate attention of circuit operators the fact that an EEFI (Essential Elements of Friendly Information) disclosure has (or may have) occurred.

400

What is Full Period Terminations
are dedicated circuits which provide communications between commanders afloat and those ashore. These terminations require allocation of limited NCTAMS/NAVCOMTELSTA assets.

400

What is a concise service or else ZDG/ZEL procedures.
When an originating or relay station detects an error in a transmission, that station must send a correction by using

500

What is the nature of USW patrol
Aircraft operations requires dedicated transmission of all ground-to-air traffic using the broadcast method.

500

What is NTP 2, CIB/CIA'S
Apt to provide the best current information on the latest procedures for communicating in this dynamic environment.

500

What is Emergency destruction plans
These plans outline procedures to reduce the amount of classified material held, and realign storage so that should emergency destruction be required, it can be accomplished in an expeditious manner.

500

What is Primary Ship/Shore Circuits
circuits are encrypted, Frequency Shift Keying (FSK)/Phase Shift Keying (PSK) PC nets which permit afloat units to transmit record communications for delivery ashore.

500

What is Broadcast Screen Request (BSR)
is a PROFORMA message designed for fleet broadcast subscribers to request the rerun (ZDK) of messages missed or received garbled on any fleet broadcast.

NTP 4 FLEET Communications

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