AN/PRC-160 and AN/PRC-137H Overview
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Questions and Answers

What is the other name for the AN/PRC 160?

  • RT-2060 (correct)
  • PRC-161
  • VULOS
  • AN/PRC-137H

    • What must be done in order to obtain Frequencies for the 160?

    A Frequency Request

    What types of radio wave propagation does the 160 do?

    Skywave (HF), VHF LOS (FM)

    What does 'CC' do on the 160 Selector Knob?

    <p>Citadel Crypto</p> Signup and view all the answers

    What Tx Power does the 160 default to?

    <p>20 Watts</p> Signup and view all the answers

    What are the THREE Encryption Types used in the PRC-160?

    <p>VINSON, ANDVT-BD, KG-84R</p> Signup and view all the answers

    What are the TWO WAVEFORMS in the PRC-160?

    <p>HF, VULOS</p> Signup and view all the answers

    When making the 3G CPA, what Bandwidth should be set?

    <p>24 KHz</p> Signup and view all the answers

    What is the MAX DATA RATE in the PRC-160?

    <p>120 Kbps</p> Signup and view all the answers

    When making the 3G CPA, what is the VOICE MODE that should be set?

    <p>MELP 24 (ME24)</p> Signup and view all the answers

    When making the 3G CPA, what 'AGC Speed' do you set?

    <p>Medium</p> Signup and view all the answers

    What is the MAX BANDWIDTH in the PRC-160?

    <p>24 KHz</p> Signup and view all the answers

    What does LPK mean?

    <p>Link Protection Key</p> Signup and view all the answers

    What does SMRS mean and what radio does it use?

    <p>Special Mission Radio System, AN/PRC-137H</p> Signup and view all the answers

    What types of communication can the 137H do?

    <p>HF and Satellite communication</p> Signup and view all the answers

    What is the AN/TRQ-43I radio?

    <p>The Basestation radio system used to work with the 137H</p> Signup and view all the answers

    What does ALE stand for and what is it?

    <p>Automatic Link Establishment</p> Signup and view all the answers

    What are the two ways of using ALE?

    <p>Selective Calling, Handshake</p> Signup and view all the answers

    What is the MAX Power Output of the AN/TRQ-43I?

    <p>125 Watts</p> Signup and view all the answers

    What is the Planning Distance of the 137H & 43I?

    <p>2,500 miles / 4,000 km</p> Signup and view all the answers

    Can foreign partners use the 137H?

    <p>False</p> Signup and view all the answers

    How many outstations does the 43I support?

    <p>254 Outstations</p> Signup and view all the answers

    Any radio is always classified according to its highest classified key filled.

    <p>True</p> Signup and view all the answers

    What is the Time Slot for message traffic on HF ALE for the 137H?

    <p>+/- 20 seconds</p> Signup and view all the answers

    What is the Time Slot for message traffic on SAT ALE for the 137H?

    <p>+/- 1 minute</p> Signup and view all the answers

    What are the MAX message sizes of HF and SAT communications on a 137H?

    <p>AHFN = 3 KB, SAT ALE = 1 KB</p> Signup and view all the answers

    Max message sizes allowable on a 137H are dependent on waveform used.

    <p>True</p> Signup and view all the answers

    What are the THREE types of Message Precedence for the 137H?

    <p>Normal, High, Flash</p> Signup and view all the answers

    What is the Max UNCOMPRESSED message size able to be sent on a 137H?

    <p>16 MB</p> Signup and view all the answers

    What is the Max COMPRESSED message size able to be sent on a 137H?

    <p>11 MB</p> Signup and view all the answers

    What type of Antenna must the Basestation (43I) use to communicate with a 137H?

    <p>A BROADBAND Antenna</p> Signup and view all the answers

    What does OTAZ mean?

    <p>Over the Air Zeroize</p> Signup and view all the answers

    The crypto used on a 137H is unique.

    <p>True</p> Signup and view all the answers

    What does LPI/LPD mean with the 137H?

    <p>LPI = Low Probability of Interception, LPD = Low Probability of Detection</p> Signup and view all the answers

    What makes the 137H an INCOGNITO radio?

    <p>Very low electronic signature</p> Signup and view all the answers

    What are the FOUR contributors to the 137H's LPI/LPD?

    <p>Adaptive power, Spread spectrum, Frequency hopping, Message Precedence</p> Signup and view all the answers

    The 137H NEVER operates on the SAME frequency BACK to BACK.

    <p>True</p> Signup and view all the answers

    What is the Maximum and Minimum power output on the 137H?

    <p>Max Power Output = 10 Watts, Minimum Power Output = 100 mW</p> Signup and view all the answers

    What Clock Time does the 137H have to be on in order to talk to the Basestation?

    <p>+/- 2 minutes of Basestation's Clock Time</p> Signup and view all the answers

    What is the Frequency Range of the 137H?

    <p>2 - 60 MHz (HF/VHF), 225-420 MHz (SAT)</p> Signup and view all the answers

    What is the HF operating range of the 137H?

    <p>2 - 30 MHz</p> Signup and view all the answers

    What is the FM operating range of the 137H?

    <p>20 - 60 MHz</p> Signup and view all the answers

    What are the TWO Operating Modes of the 137H?

    <p>SOF ALE, Interop</p> Signup and view all the answers

    What is the TRKEK for the 137H?

    <p>XXXPRC137</p> Signup and view all the answers

    What is the TSK & NETEK for the 137H?

    <p>XXXINIT</p> Signup and view all the answers

    What does NETEK stand for?

    <p>Net Entry Traffic Encryption Key</p> Signup and view all the answers

    What is the Network mode switch on a 137H used for?

    <p>To talk to the allocated Base Station</p> Signup and view all the answers

    What are the Channel # mode switches used for on a 137H?

    <p>Used for Interop (specific frequencies)</p> Signup and view all the answers

    What does leaving the Mode Selector Switch on Zeroize do for the 137H?

    <p>Turns the radio off and saves hub battery duration</p> Signup and view all the answers

    What do you do to a zeroized 137H before anything else?

    <p>RANDOMIZE the radio</p> Signup and view all the answers

    What does a green light Rapid Flash mean on a 137H?

    <p>No crypto</p> Signup and view all the answers

    What does a green light Solid On mean on a 137H?

    <p>Sending message</p> Signup and view all the answers

    What does a green light Slow Flash mean on a 137H?

    <p>Receiving message</p> Signup and view all the answers

    What does a green light Single Flash mean on a 137H?

    <p>Successful crypto fill</p> Signup and view all the answers

    What does a green light Alternating Speed (Fast, Slow, Fast) mean on a 137H?

    <p>Bad HUB battery</p> Signup and view all the answers

    What are the TWO things to check before attempting to gain Net Entry with a Base Station?

    <p>Correct DTG, Correct UID</p> Signup and view all the answers

    What is the Red Dot port on a 137H?

    <p>Cipher Text port</p> Signup and view all the answers

    What is the White Dot port on a 137H?

    <p>Plain Text port</p> Signup and view all the answers

    What do the colors on a 137H Antenna binding port (Green/black) mean?

    <p>Green = Positive, Black = Negative</p> Signup and view all the answers

    What are the SEVEN Band Frequencies on the 137H?

    <p>Band 0 = ~3 MHz, Band 1 = ~7 MHz, Band 2 = ~10 MHz, Band 3 = ~14 MHz, Band 4 = ~17 MHz, Band 5 = ~21 MHz, Band 6 = ~24 MHz, Band 7 = ~28 MHz</p> Signup and view all the answers

    What does an Amber Light on a 137H indicate?

    <p>Charging capacitors</p> Signup and view all the answers

    What mode is used for Cipher Text voice when configuring the 137H on MOVER7 software?

    <p>Digital Voice = CVSD_KY57</p> Signup and view all the answers

    Cipher Text using HF frequencies can not be used for VOICE on a 137H...only for DATA.

    <p>True</p> Signup and view all the answers

    LPI/LPD IS ONLY IN SOF ALE MODE...NOT INTEROP.

    <p>True</p> Signup and view all the answers

    In Interop mode, the 137H can communicate with any type of radio that is using the same frequency.

    <p>True</p> Signup and view all the answers

    The 137H needs crypto in it to operate (even in plain text).

    <p>True</p> Signup and view all the answers

    Study Notes

    AN/PRC-160

    • Also known as RT-2060.
    • Requires a Frequency Request to obtain operating frequencies.
    • Supports two types of radio wave propagation: Skywave (HF) and VHF LOS (FM).
    • "CC" on the Selector Knob allows foreign allies to use their keys (foreign keys, not NSA-approved).
    • Default transmission power is set at 20 Watts.
    • Encryption Types include VINSON (VULOS for VHF LOS), ANDVT-BD, and KG-84R (both for HF).
    • Two waveforms available: HF (1.6 MHz - 29.9999 MHz) and VULOS (30 MHz - 59.9999 MHz).
    • Maximum data rate is 120 Kbps.
    • Maximum bandwidth is 24 KHz, adjustable for 3G CPA configuration.
    • Voice mode for 3G CPA setting is MELP 24 (ME24).
    • Keys must be loaded three times for encryption types.
    • AGC speed for 3G CPA should be set to Medium.

    AN/PRC-137H

    • Special Mission Radio System, used for HF and Satellite communication.
    • Basestation radio system known as AN/TRQ-43I is also referred to as "the Turkey."
    • Operates with Automatic Link Establishment (ALE) standard for HF communications.
    • ALE can be used in Selective Calling or Handshake modes.
    • Maximum power output of AN/TRQ-43I is 125 Watts.
    • Planning distance for the 137H & 43I is 2,500 miles / 4,000 km.
    • Not available for use by foreign partners; only accessible to major NATO allies.
    • Supports up to 254 outstations.
    • Message traffic time slots for HF ALE is +/- 20 seconds and SAT ALE is +/- 1 minute.
    • Maximum message sizes for Advanced HF Network is 3 KB, SAT ALE is 1 KB.
    • Maximum uncompressed message size is 16 MB; maximum compressed message size is 11 MB.
    • Requires a broadband antenna for communication with the 137H.

    Unique Features and Functionality

    • LPI (Low Probability of Interception) and LPD (Low Probability of Detection) associated with 137H enhance stealth.
    • The radio has a very low electronic signature, making it difficult to locate.
    • Contributions to LPI/LPD include adaptive power, spread spectrum, frequency hopping, and message precedence.
    • Operates on different frequencies and must not operate back-to-back on the same frequency.
    • Maximum and minimum power outputs are 10 Watts and 100 mW, respectively.
    • Must synchronize clock time within +/- 2 minutes of the Basestation's clock.
    • Frequency ranges include 2-60 MHz (HF/VHF) and 225-420 MHz (SAT).
    • Operating modes include SOF ALE (HF/SAT) and Interop (multiple modulation types).
    • Requires the TRKEK (XXXPRC137) and TSK & NETEK (XXXINIT) for secure communication.

    Operational Protocols

    • Contains Cipher Text (Red Dot port) and Plain Text (White Dot port) ports for secure communications.
    • Net Entry requires correct DTG and UID for base station communication.
    • Green light signals indicate operational statuses: rapid flash for no crypto, solid on for sending messages, and slow flash for receiving.
    • Amber light indicates charging capacitors.
    • Mode selector switch on "Zeroize" conserves battery life.
    • Needs key data (crypto) to function, even in plain text mode.
    • Uses specific procedures to randomize and initialize operations after zeroization.

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    Description

    This quiz covers key features of the AN/PRC-160 and AN/PRC-137H radio systems. Learn about their functionalities, encryption types, transmission powers, and operational modes. Test your knowledge on radio wave propagation and special mission communications.

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