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82 Cards in this Set
- Front
- Back
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Who is responsible for providing input to the WLRs effort to locate HVTs?
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the intelligence officer
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What must be detected in sufficient time to synchronize their attack with the CDRS operational plan?
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HPTs
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Once HVTs are detected by WLR they are passed on to_______- and for_____
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the fires cell for engagement , the fire cell passes the target to the appropriate element (lethal or nonlethal) for execution.
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The HPT may be passed directly to the senor when authorized by the CDR?
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True
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Aircraft are displayed on the radar as what?
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non discrimination track or as a non-projectile track
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what is the first step preformed by a WLR detecting an object?
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establishing a search fence
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How does the WLR make a seach fence
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By transmitting a series of beams that conform to the terrain
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what happens when an object penetrates the search fence?
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the software determines the objects speed, elevation, range, and azimuth. The software uses this information to predict the objects next location and to send out verification beams to determine if the object has a ballistic trajectory
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When does the WLR stop sending out track beams?
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a solution is computed for the acquisition, three sequential misses happen for the AN/TPQ-36, five sequential misses for the AN/TPQ-37, the predicted azimuth for the next track update is outside the left or right limit of the WLR's search sector, the predicited elivation of the next track is above or below the WLRs min or max search elevation
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WLRS spend the majority of there time in what mode?
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Hostile mode
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How does a WLR determine a POO
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establishes search fence, verifies penetration of the search fence, validates the trajectory, tracks the projectile, extrapolates the firing location and determines the POO.
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Hostile mode tracks in what trajectory?
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ascending
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What kind of trajectory must an object possess in order to be identified by a WLR
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balistic
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What is the tracking time for a TPQ-36?
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3 - 5 seconds
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What is the tracking time for a TPQ-37?
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5-8 seconds
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What is the tracking time for LCMR
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0.24 seconds per scan or 4.17 scans per second
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what is the possible detection area?
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a three dimensional space defined by the minimum and maximum range, search sector, and the vertical scan of the WLR.
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is a planning range absolute?
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no
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what is the artillery planning range of a Q36
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14.5km
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what is the mortars planning range of a Q36
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18km
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what is the rockets planning range of a Q36
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24km
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what is the artillery and mortar planning range for a Q37
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30km
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what is the rocket planning range for a Q37?
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50km
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what is the planning range for LCMR
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0.5 to 10km
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what is the search sector?
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The search sector is the area left and right of the radars azimuth or orientation where the WLR can locate targets.
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What is the maximum search sector?
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plus or minus 800mils from the azimuth of orientation for a total of 1600 mils
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The LCMR search sector has the capability to conduct
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6400 mils coverage
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the Q36 and Q37 must have a minimum of______meters differnece between minimum and maximum ranges
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900
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What is vertical scan?
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the area that extends vertically from the search fence to the maximum scan elevation of the radar
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What is the maximum vertical scan for the Q36?
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80 mils with all 32 scanning frequencies enabled
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In a Q36 each frequency disabled results in a loss of how many mils?
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2.5 mils of vertical scan
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what is the maximum vertical scan for a Q37?
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104 mils
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what type of scanning does the Q37 use?
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phase scanning
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How many frequencies does the Q37 use?
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15
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How many frequencies are in a Q36?
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32
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What is the elevation coverage of an LCMR?
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445mils
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what is track volume?
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the amount of available vertical scan at the points where an object passes through the detection area of a WLR to track the object and compute a solution.
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how many mils of track volume do radars need to track a round for long enough to achieve a solution?
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50mils
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how is track volume determined?
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by the difference between vertical scan and the height of the screening crest in mils
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What are the three factors that affect the radars ability to detect, verify and locate?
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track volume, angle, and speed
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What is aspect angle?
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the aspect angle is the distance in mils between the radar antenna and the target path of the projectile
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what must the aspect angle be greater than? And what does it mean?
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1600 mils, objects must be traveling toward the antenna
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T/F the WLR is designed to ignore detection with aspect angles of less than 1600 mils?
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true,
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What must velocity be within?
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the minimum and maximum velocity thresholds for all radar systems
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Most mortar artillery, and rockets have a velocity greater than?
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80 miliseconds
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What are the velocity requirements for the Q36 traveling toward the radar?
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at least 50 miliseconds no greater than 1500 or greater,
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What are the velocity requirements for the Q37 traveling toward the radar?
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130m/s and no greater than 1500 m/s
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what are the velocity requirements for the Q36 moving away from the radar
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up to 80miliseconds
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For site selection a slope must be?
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7 degrees or less (121 mils or less)
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Area that must be cleared for a Q36 / Q37?
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Q36 - 200 M
Q37 - 300 M |
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The ideal site has a down slope that ?
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200 - 300m and then gradually rises at the screening crest
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What does a screening crest do?
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increases survivability of WLC
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Where should the screening crest be located?
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in the friendly area, 1000m from the WLR
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Double screening crest should be?
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250M for the first screen and 1000M for the second; they are ideal
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What is the vertical angle to the screening crest for a Q36 and Q37? What is the optimum?
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Q36 15-30 ; Q37 5-15 ; 10 is optimum for both
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What is the difference in the highest and lowest points one the screening crest for a Q36 /Q 37
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Q36 - 30 mil ; Q37 - 54 mils
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What is the name of the angle that is between the Antenna Transceiver Group (ATG) and the tope of the screening crest?
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Mask Angle
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What is the name of the angle between the radar beam and the target path?
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Aspect angle
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What is the optimum separation between radars?
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Q36/37-separated by 250m
Q50 - separated by 1000m |
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FLOT (forward line of troops) separation for the Q36,Q37,and Q50?
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3-6 km - Q36
8-12km - Q37 with the unit - Q50 |
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RPAS stand for?
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Radar position analysis system
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RPAS provides?
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-screening crest
-mask angle -electronic line of sigh - optimum search fence - estimate performance -slope terrain |
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What does RDO stand for and what is the form # ?
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Radar Deployment Order
DA Form 5957R |
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Two categories of zones?
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priority & Sensor
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Four types of zones?
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Critical friendly zone ( CFZ)
Call for fire zone (CFFZ) Artillery target intel zone (ATIZ) Censor zone (CZ) |
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What are the three primary zones?
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Critical friendly zone ( CFZ)
Call for fire zone (CFFZ) Artillery target intel zone (ATIZ) |
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Target acquisition is?
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detection, identification, and location of a target in detail to effectively employ weapon systems
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When a object penetrates the search fence what is detected?
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speed, elevation, range, and azimuth
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A radar stops tracking when?
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solution is computed
three misses for a Q36 five misses for a Q37 next predicted track is our of L & R limits next track elevation is above or below min/max search elevation |
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Steps to determine POO? (point of origin)
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establish a search fence
verifies penetration validates trajectory tracks projectile extrapolates fire location to determine POO |
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A object must display _______ or it will be rejected.
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Ballistic trajectory
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The amount of available vertical scan is called?
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track volume
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Radars require a minimum of ______ mils of track volume to track a round.
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50 mils
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Two factors that affect the radar?
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aspect angle and speed of the object
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The aspect angle is measured how?
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From the antenna to target path
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The aspect angle must be greater than? And the object must be moving _____ the antenna.
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1600 mils ; towards
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A radar beam is composed of?
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4 individual beams that make up a track cluster; a track cluster is a radar beam
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The TAPL duties?
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-locate the enemy and generate intel
-locate IDF systems and fire missions -registration and adjust friendly fire -advise the CDR and staff -validate and locate friendly fire -provide target intel -creates and interprets SOP -orders parts, supplies, pubs, and equip. maintenance -coordinate with MET and survey -Give RDO -CDM and direct radar section |
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No accurate target date equals?
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No value from indirect fire systems
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Describe a Q36?
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A fire finder radar that locates enemy mortar, artillery, and rockets.
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Q36 is optimized to locate?
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short range, high angle, low - velocity indirect systems. It will also locate high velocity.
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Emplacement time for a Q36 and crew size?
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9min 30sec of less it
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