Questions and Answers
What is the other name for the AN/PRC 160?
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?
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What Tx Power does the 160 default to?
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What are the THREE Encryption Types used in the PRC-160?
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What are the TWO WAVEFORMS in the PRC-160?
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When making the 3G CPA, what Bandwidth should be set?
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What is the MAX DATA RATE in the PRC-160?
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When making the 3G CPA, what is the VOICE MODE that should be set?
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When making the 3G CPA, what 'AGC Speed' do you set?
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What is the MAX BANDWIDTH in the PRC-160?
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What does LPK mean?
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What does SMRS mean and what radio does it use?
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What types of communication can the 137H do?
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What is the AN/TRQ-43I radio?
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What does ALE stand for and what is it?
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What are the two ways of using ALE?
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What is the MAX Power Output of the AN/TRQ-43I?
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What is the Planning Distance of the 137H & 43I?
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Can foreign partners use the 137H?
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How many outstations does the 43I support?
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Any radio is always classified according to its highest classified key filled.
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What is the Time Slot for message traffic on HF ALE for the 137H?
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What is the Time Slot for message traffic on SAT ALE for the 137H?
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What are the MAX message sizes of HF and SAT communications on a 137H?
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Max message sizes allowable on a 137H are dependent on waveform used.
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What are the THREE types of Message Precedence for the 137H?
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What is the Max UNCOMPRESSED message size able to be sent on a 137H?
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What is the Max COMPRESSED message size able to be sent on a 137H?
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What type of Antenna must the Basestation (43I) use to communicate with a 137H?
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What does OTAZ mean?
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The crypto used on a 137H is unique.
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What does LPI/LPD mean with the 137H?
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What makes the 137H an INCOGNITO radio?
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What are the FOUR contributors to the 137H's LPI/LPD?
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The 137H NEVER operates on the SAME frequency BACK to BACK.
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What is the Maximum and Minimum power output on the 137H?
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What Clock Time does the 137H have to be on in order to talk to the Basestation?
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What is the Frequency Range of the 137H?
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What is the HF operating range of the 137H?
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What is the FM operating range of the 137H?
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What are the TWO Operating Modes of the 137H?
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What is the TRKEK for the 137H?
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What is the TSK & NETEK for the 137H?
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What does NETEK stand for?
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What is the Network mode switch on a 137H used for?
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What are the Channel # mode switches used for on a 137H?
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What does leaving the Mode Selector Switch on Zeroize do for the 137H?
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What do you do to a zeroized 137H before anything else?
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What does a green light Rapid Flash mean on a 137H?
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What does a green light Solid On mean on a 137H?
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What does a green light Slow Flash mean on a 137H?
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What does a green light Single Flash mean on a 137H?
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What does a green light Alternating Speed (Fast, Slow, Fast) mean on a 137H?
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What are the TWO things to check before attempting to gain Net Entry with a Base Station?
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What is the Red Dot port on a 137H?
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What is the White Dot port on a 137H?
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What do the colors on a 137H Antenna binding port (Green/black) mean?
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What are the SEVEN Band Frequencies on the 137H?
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What does an Amber Light on a 137H indicate?
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What mode is used for Cipher Text voice when configuring the 137H on MOVER7 software?
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Cipher Text using HF frequencies can not be used for VOICE on a 137H...only for DATA.
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LPI/LPD IS ONLY IN SOF ALE MODE...NOT INTEROP.
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In Interop mode, the 137H can communicate with any type of radio that is using the same frequency.
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The 137H needs crypto in it to operate (even in plain text).
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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.