25 SCWS Communications
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77 terms
Terms | Definitions |
|---|---|
 Name the antenna systems used with the AN/PRC-119 | Antenna Systems 3ft tape - up to 5 miles 10ft whip- up to 10 miles OE-254- up to 36 miles |
| AN/PRC-119 frequency, channels | Sends and receives secure voice and digital data VHF SINGARS Radio 30 to 87.975 MHz freq 2320 channels/freq's 6 COMSEC channels/ 6 frequency hopping channels 8 single channels (SC) for plain text |
| Name the antenna systems used with the AN/PRC- 150 | 10 ft Whip Antenna NVIS Antenna- AS 2259 Dipole Antenna |
| AN/PRC-150 frequency, channels | Long range secure radio Frequency Range: 1.6-59.999 MHz Pre-Set Channels: 200 |
| Define CMS | Communications Material System Custodian (CMS) The mission of the CMS is to ensure the proper distribution, handling, control, and security of COMSEC material in use throughout the navy. |
| Define Encryption | Encryption is the process of converting intelligible information into an unintelligible form for transmission |
| Define Access | Having a "security clearance" means that your are eligible for access to information up to the level shown. |
| Define Compromise | Any breach or possible breach of Security or classified material is known as a compromise and must be dealt with immediately. |
| Define exclusion area | Where access to the area means access to classified information because the equipment cannot be covered. |
| Define Controlled area | Next to or surrounds an exclusion or limited area. All of these areas are clearly marked by signs reading "SECURITY AREA - KEEP OUT" |
| Define Clearance | Before a person is allowed access to classified information, he or she must have a security clearance. |
| How are numbers transmitted | Numbers are transmitted digit by digit except that exact multiples of hundreds and thousand may be spoken as such. Preceded by Figures to Follow. |
| What are Precedence Prowards | Flash (Z) Immediate (O) Priority (P) Routine (R) |
| Define Read back | Means to transmit the entire transmission back exactly as you received it |
| Define Minimize | A condition wherein normal message and telephone traffic is drastically reduced in order that messages connected with an actual emergency shall not be delayed. |
| Define EFFI | Essential elements of friendly information o A code that allows us to notify one another of a security breach that has occurred over the circuit. |
| Define BEADWINDOW | Term used to identify an EEFI violation. Example: "BEADWINDOW Three" indicates to the transmitting station that the radio operator has violated security. BEADWINDOW procedures are incorporated into the OPORD. |
| What is the only authorized reply to DEADWINDOW | Roger-out |
| EEFI 01 | Position - Friendly or enemy position, movement or intended movement; position, course, speed, altitude or destination of any sea, air or ground element unit or force. |
| EEFI 02 | Capabilities - Friendly or enemy capabilities or limitation; force composition or identity capabilities, limitations or significant casualties to special equipment, weapon systems, sensors, units, or personnel. Percentages of fuel or ammunition remaining. |
| EEFI 03 | Operations - Friendly or enemy operations, intentions, progress or results; operational or logistic intentions; assault objectives; mission participants; flying programs, mission situation reports; results of friendly or enemy operations. |
| EEFI 04 | Electronic Warfare (EW) - Friendly of enemy EW/EMCON intentions, progress or results; intentions to employ EA; results of friendly or enemy EA: objectives of EA; results of friendly or enemy EP; results of ESM; present or intended EMCON policy; equipment affected by EMCON policy |
| EEFI 05 | Personnel - Friendly or enemy key personnel; movement or identity of friendly or enemy flag officers; distinguished visitors; unit commanders; movements of key maintenance personnel indicating equipment limitations. |
| EEFI 06 | COMSEC - Friendly or enemy COMSEC locations; linkage of codes or code words with plain language; compromise of changing frequencies or linkage with line numbers; circuit designators linkage of changing call signs with previous call signs of units; compromise of encrypted / classified call signs; incorrect authentication procedure. |
| EEFI 07 | Wrong Circuit - Inappropriate transmission; information requested, transmitted or about to be transmitted which should not be passed on the subject circuit because it either requires greater security protection or is not appropriate to the purpose for which the circuit is provided. |
| Define Regular supersession | Supersession based on a specific, pre -determined supersession date for each edition of material. For example, each edition of a monthly keytape is superseded on the first day of the month after its implementation; each edition of ten -day material is superseded on the 11th, 21st, and the 31st of the month. |
| Define Irregular supersession | Supersession that is not pre-determined but which occurs as a result of use. Editions and individual segments of irregularly superseded COMSEC material are to be destroyed after the material has been used operationally, when the controlling authority directs supersession, or, in the case of maintenance key, it may be used until the key becomes unserviceable. Irregular supersession is normally associated with one -time pads, test key, maintenance key, publications, and equipment. |
| Define Emergency supersession | An unplanned change of supersession, usually as a result of a compromise. |
| Range of HF | High Frequency 2 - 30 Mhz |
| Range of VHF | Very High Frequency 30 - 300 Mhz |
| Range of UHF | Ultra High Frequency 300 Mhz - 3000 Mhz |
| Define Confidential | Identifiable damage |
| Define Secret | Serious damage |
| Define Top Secret | Exceptionally grave damage |
| Name the methods of communication in the defense area | Radio, Wire, Messengers Visual, Sound |
| Discuss the factors that affect the capabilities of radio communications | Line of sight, weather, densely wooded areas, hills and valleys. |
| Explain the purpose and use of the STU III/STE telephone | • Purpose: To allow secure voice communication when required • Use: Use as authorized as per unit SOP and equipment requirements. |
| AN/PSN-11 | Global Positioning System (GPS) Precision Lightweight GPS Receiver (PLGR) computes accurate position coordinates, elevation, speed, and time information Replaced with AN/PSN-13 DAGR |
| What is the only authorized maintenance on the PLGR | Change out batteries. |
| AN/PSN-13 | Defense Advanced GPS Receiver (DAGR) GPS to provide location and accurate time for comms gear. Fits in a 2 magazine ammo pouch Lighter, smaller, and quicker than PLGR. |
| What is the order of destroying Keying Material | superseded, effective, then reserve |
| How long after supersession does keying material need to be destroyed | 12 hours |
| What is reserve keying material | keying material that will become effective within the next 30 days |
| What is the order of destruction of COMSEC material when a complete destruction is ordered | 1) Keying Material 2) COMSEC Documents 3) COMSEC equipment. |
| Discuss the characteristic, shipping, handling, and storage of batteries | • All Batteries are considered Hazmat. DO NOT puncture, burn, or expose to high heat. Always check for leakage and proper battery voltage prior to use. Never leave batteries in equipment while in storage. When palletized for shipment the boxes are on the outside edges of the pallet where they can be easily accessed in case of leaks or fire |
| 3 types of batteris and what they are used for | • NiCad: Nickel Cadmium rechargeable battery • Lithium: Non-rechargeable long life battery • Alkaline: Non-rechargeable average life battery |
| What radio is used with the OE-254 | AN/PRC-119 |
| What radio is used with the RF-1912 | AN/PRC-150 |
| What radio is used with the AS-2259 | AN/PRC-150 |
| AN/PRC-150 general characteristics | Long range secure radio No external encryption device required Requires 2 BA-5590 or 2 BB-690 Batteries Smaller and lighter than AN/PRC-104 |
| AN/PRC-150 Modes of operation | • Lower Side Band (LSB) • Upper Side Band (USB) • Amplitude Modulation Equivalent (AME) • Continuous Wave (CW) Modulation • Frequency Modulation (FM) |
| AN/PRC-150 Data range | 39 tone data to 2400 bps Serial tone data to 2400 bps (TX), 75 bps (RX) FSK data to 600 bps |
| AN/VRC-90A General characteristics | o Vehicle mounted communication |
| AN/VRC-90A Antenna systems | Vehicular Antenna (AS-3900/3916) OE-254 |
| AN/VRC-90A Components | Receiver-Transmitter (RT) (RT-1523/A/B/C/D/E) Mounting Base (MB) (MT-6352/A), part of installation kit Vehicular Amplifier Adapter (VAA) (AM-7239/A/B/C/D/E) Handset (HS) (H-250), part of installation kit Loudspeaker (LS) (LS-671), part of installation kit Power Amplifier (PA) (AM-7238/A/B) Cable (W2), connects RT ANT to PA Cable (W4), connects RT to VAA Antenna Cable (CG-3856), part of installation kit Loudspeaker Cable (CX-13292), part of installation kit Power Cable, part of installation kit |
| AN/GRA-39 General characteristics | provides the capability of remotely controlling a radio set up to a distance of 2 miles, using standard field wire |
| AN/VRC-92A General characteristics | o Used as a base station o Longer VHF ranges of 10 km to 40km with a 50 watt output o Requires power supply for stationary operations o Capable of retransmit use |
| AN/VRC-92A Antennae systems | Vehicular Antenna (AS-3900/3916), part of installation kit. OE-254 |
| VHF handheld SABER 1 General Characteristics | Handheld secure radio VHF radio with 2.5 - 6 watts Need radio interface box to fill (ZATI) VHF - 138 to 174 MHz Range - 1 to 3 miles |
| XTS-5000 portable radio General Characteristics | Handheld secure radio VHF radio with 1 - 6 watts Crypto fill via cable VHF - 136 to 174 MHz Range - 1 to 3 miles |
| SB-3614A General Characteristics | is a tactical, ruggedized, 30-terminal automatic switchboard. |
| TA-312/PT General Characteristics | 2 wire tactical phone Talks up to 14 miles wet, up to 22 miles dry Operates on 2 "D" cells Press to talk handset Hand crank to call distant stations Talk 4 miles in ear piece with dead batteries |
| With regards to comms what is the difference between "wet" and "dry" | Wet - spliced, Dry - unspliced |
| TA-838/PT General Characteristics | ruggedized, solid state field telephone. It can be used as a desk telephone or installed vertically |
| TA-838/PT o General technical information | Transmission frequency range: 300 to 3,500 Hz. Distance ranges with DC supervision: The telephone set is located less than 4 miles from the switchboard. Distance ranges with AC supervision: The telephone set can be located more than 4 miles from the switchboard. |
| AN/CYZ-10 General Characteristics | AUTOMATED NET CONTROL DEVICE (ANCD) The ANCD is used primarily for handling of COMSEC keys 20 load sets 120 COMSEC keys 280 transmission security keys |
| What is used for the fireteam to communicate with the Squad leader | TA 1 |
| What is used for the Squad leader to communicate with the Platoon commander | TA 312 |
| What is used for the Company CP to communicate with the COC | Messenger, SB 22 TA 312 |
| TA-1 General Characteristics | Hand held Comm device Uses WD-1 wire Talks 4-7 miles Squeeze signal generator Press to talk button Light weight and easy to store Normally configured in gun loop |
| Explain Line Of Sight (LOS | Distance between the transmitting and receiving antennas, affected by hills or curvature of the earth. Higher antennas will be able to transmit further. |
| Reason for a RETRANS site | VHF radios require line of sight, if a mountain or the curvature of the earth is in the way the radios will not communicate to each other. Therefore an intermediate station needs to "retrans" the message. |
| Discuss RT-1694 Characteristics, Frequency, configurations, Antenna's | HF 1.6 - 59.9999 MHz fixed channel, frequency hop Voice and data transmission PRC 150 man pack VRC 104 vehicle GRC 231 base station Antenna's AS 2259 NVIS Dipole manpack. 10 ft whip |
| Discuss RT-1523, Characteristics, Frequency, configurations, Antenna's | VHF 30-87.975 MHz fixed channel, frequency hop PRC-119 VRC 90 GRC-92 Antenna's 3 ft tape 10 ft whip OE 254 |
| What does PRC, VRC, GRC mean? | Personal Radio Communications Vehicular Radio Communications Ground Radio Communications |
| Discuss RT-1796, Characteristics, Frequency, configurations, Antenna's | VHF/UHF/SATCOM, Voice and data, frequency hopping. PRC 117 VRC 103 Antenna's 4' blade VHF 8.7' Whip, VHF 13" VHF/UHF SATCOM RF-3080 AT001 |
| Discuss AN/CYZ-10 | Portable, hand-held fill device, for securely receiving, storing, and transferring data between compatible cryptographic and communications equipment 1000 Keys Replaced KYK-13 and KYX-15, KOI-18 paper tape reader Replaced by AN/PYQ-10 Simple Key Loader |
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