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SIG > 152 > Flashcards

152 Flashcards

1
Q

152: Freq Range?

A

30-512MHz

*High Band: 762-870MHz

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2
Q

152: No. of Presets

A

99 / Mission Plan

*Approx 20 Mission Plans

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3
Q

152: Modes?

A

AM - FM - PSK - FSK - CPM

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4
Q

152: Power Output Settings?

A 
Low: 250mW / 1W (AM)
Med: 2W
High: 5W
VSAT: 10W
*Very Small Aperture Terminal
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5
Q

152: Weight?

A
  1. 22Kg

* w/ Battery & GPS

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6
Q

152: AE Connection Type?

A

TNC

*Threaded Neill-Concelmen

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7
Q

152: Battery Type / Life?

A

Lithion Ion
8/9 Hrs
*80% idle, 10% tx&rx

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8
Q

512: HUB Battery Info?

A

6 Month Life

*Retains Red & Black Data

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9
Q

152: Immersion Info?

A

2m for 20min

*O-ring secure / No power to side port

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10
Q

152: Crypto Storage Positions?

A

25 Slots / Key-type / Waveform

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11
Q

152: Key Types?

A

TEK / KEK / TrKEK / TSK

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12
Q

152: TEK?

A

Traffic Encryption Key

*Encrypts the packets being tx’d

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13
Q

152: KEK?

A

Key Encryption Key

*Encrypts the TEK during OTAR AK

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14
Q

152: TrKEK?

A

Transfer Key Encryption Key

*Unwraps encrypted KEYMAT while loading

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15
Q

152: TSK?

A

Transmission Security Key

  • Acts as time sync
  • Acts as p-random no generator
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16
Q

152: VINSON?

A

Encryption algorithm which supports 16 kbit/s CVSD

  • Spts VHF/UHF LOS
  • Spts UHF SATCOM
  • Spts Tac Phone Systems
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17
Q

152: ANDVT?

A

Adv Narrow Band Dig Terminal

  • Encryption algorithm which spts 56kbit/s MELP
  • Suitable for low-bandwidth comms
  • Spts DAMA
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18
Q

152: KG-84?

A

Used for the secure tx of digital data

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19
Q

152: VULOS?

A

VHF/UHF Line of Sight

  • AM/FM
  • Likes VINSON Crypto
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20
Q

152: SINCGARS?

A

Single Chan G>A Radio System

  • SC/FH (111 hops/sec)
  • 25kHz steps from 30-87.975MHz (VHF FM Band)
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21
Q

152: DAMA?

A

Demand Assigned Multiple Access

  • Efficient use of SATCOM channel via time share
  • Uses 182A-5kHz / 182B-25kHz
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22
Q

152: HPW?

A

High Performance Waveform

  • UHF/VHF Secure Data
  • Via Microsoft Outlook Client
23
Q

152: P-25?

A

Suite of standards used by Civ. Emergency Services

24
Q

152: HAVEQUICK II?

A

Anit-Jam UHF FH System

  • TOD
  • WOD as key
  • Net No.
25
Q

152: IW?

A

Integrated Waveform

*More efficient than DAMA

26
Q

152: MELP?

A

Mixed Excitation Linear Prediction

*Compresses packets to a smaller payload size

27
Q

152: CVSD?

A

Continuously Variable Slope Delta

*Encodes at 1 bit per Hz (16Hz@16kbit/s)

28
Q

152: LPC-10?

A

Linear Predictive Coding

*Less effective than MELP

29
Q

152: Tone Squelch?

A

Req’s preamble tone to unsquelch

30
Q

152: Noise Squelch?

A

Req’s certain voltage to unsquelch

31
Q

152: CTCSS?

A

Continuous Tone Coded Squelch System

*Spts interoperability with Civ. Radio’s

32
Q

152: CDCSS?

A

Continuous Digital Coded Squelch System

  • Superimposes a repeating data stream
  • Spts interoperability with Civ. Radio’s
33
Q

152: Default Squelch Tone?

A

150Hz in FM

34
Q

152: Scan Mode?

A

Scans up to 10 fixed freq / SATCOM Ch’s

  • Only VINSON modes are scannable
  • Digital Squelch Ch’s cannot be scanned
  • Can set Priority & Hang/Hold
35
Q

152: Beacon Mode?

A

Sets Radio to tx a Beacon signal

*Operates from 30-512MHz

36
Q

152: Beacon Mode Key Freq’s?

A
  • 121.5MHz
  • 243MHz
  • 406MHz
37
Q

152: VULOS?

A

VHF / UHF, LOS and Dedicated UHF SATCOM Ch’s

  • VHF Low: 30-89.9999MHz
  • VHF High: 90-224.9999MHz
  • UHF: 225-511.9999MHz
38
Q

152: SATCOM 181A?

A

5kHz Narrow-Band Ch

  • ANDVT / MELP
  • Opt: 010 2400 baud
  • Opt: 080 1200 baud
39
Q

152: SATCOM 181B?

A

25kHz Wide-Band Ch

  • VINSON / CVSD
  • Opt: 132 9600 baud
40
Q

152: SATCOM FREQ’S?

A

Uplink higher than Downlink

*33.6MHz Spacing

41
Q

152: DAMA REQ’s?

A 
CAR: Comms Access Req
TCI: Tech Comms Instruction
TSK: Orderwire Key
TEK: User Comms Key
Dama Network Address
42
Q

152: DAMA NCS?

A

Harmon & Stirling

  • 7 Channels
  • Full Time Backup & Management
43
Q

152: DAMA PGM SEQ?

A
  1. COMSEC
  2. TCI Parameters
  3. Point at Sat
  4. Change to DAMA Preset
  5. Make Call
  6. TX
44
Q

152: SINCGARS REQ’s?

A
  1. Loadset
    * Hopset - TSK - Net ID - Keys
  2. GTOD
  3. CMPT No.
  4. Net ID
45
Q

152: SINCGARS NET ID?

A

Determines Hop Start Point

*999 Net ID’s

46
Q

152: SINCGARS COLD TSK?

A

Passive Dig Auth for ERF

*Stored in CPMT 19

47
Q

152: SINCGARS LNE?

A

4-60 Sec IOT sync w/ Master

48
Q

152: REASONS FOR OTAR?

A
  1. Establish new Net
  2. Ext of KEYMAT
  3. Ext of Op
  4. Emergency Zero
  5. Orders
49
Q

152: OTAR MK?

A

TX / RX

  • Load into TEK 10
  • Load into VOLATILE
50
Q

152: OTAR AK?

A

RX only

*Req KEK to protect rekey

51
Q

152: REASON FOR RTX?

A
  1. Range Extension
  2. Overcome terrain difficulties
  3. Bridge different crypto types / waveforms
52
Q

152: RTX TYPES?

A
  1. Analog
    * Black PT / Red CT
  2. Digital
    * Black Dig / Red Dig
  3. SATCOM
    * PT / CT
53
Q

152: ADVANTAGES OF DIG RTX?

A
  1. Higher Fidelity
  2. Less Signal Degradation
  3. Voice / Data
  4. Allows for different COMSEC & waveforms to talk
54
Q

152: RTX PLANNING CONSIDERATIONS?

A
  1. Freq Separation
    * 20% / non-harmonics
  2. Falsing
    * RTX unsquelching
  3. Phys separation & height offset
  4. Cables cross at 90*

SIG (5 decks)

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