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72 Cards in this Set
- Front
- Back
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What is the range of a AN/TPQ-50?
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.5km to 10km
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The AN/TPQ-50 has POO accuracy of how many CEP?
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50m CEP
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What does the AN/TPQ 50 support?
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C-RAM Sense and Warn
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What does the AN/TPQ-50 have interoperability with?
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AFATDs and FAADC2
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What are the two different operating configurations on the AN/TPQ-50?
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Stand Alone or on Vehicle configuration
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What are the two different transportation configurations on the AN/TPQ-50?
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The transport configuration and Transit configuration
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What does the stand alone configuration of a AN/TPQ-50 consist of?
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System mounted on tripod, all mission functions can be accomplished independent of vehicle using systems laptop and radio comm suite.
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What does the on vehicle configuration of an AN/TPQ 50 consist of?
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Placed on HMMWV in a vertical position, antenna is mounted to vehicle, vehicle may serve as operator shelter.
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What is the system INS on the AN/TPQ-50 and what does it do?
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The system Inertial navigation system, increases the accuracy of emplacement.
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What is the mortar range on a AN/TPQ-50?
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.5km to 10km
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What is the artillery range on a AN/TPQ-50?
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.5km to 8km
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What is the rocket range on a AN/TPQ-50?
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.5km to 10km
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What are the two basic subsystems of the AN/TPQ-50?
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the Radar and the laptop
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What is the laptop used for?
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Mission planning and opertations
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What are the major components of the AN/TPQ-50?
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Central Antenna Assembly, Top Hat Assembly, Antenna Columns, INS, Scope Assembly, and Ground Planes.
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How many operators and how fast can the AN/TPQ-50 be set up?
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2 operators in 20 min
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What are the 3 sources the AN/TPQ-50 can be powered by?
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Generator, Local Grid, and vechile
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What power supply connects the AN/TPQ-50 the three sources?
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the AC/DC/DC-DC Power supply
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What power source is recommend to be used on the AN/TPQ-50?
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local power grid power (AC) whenever possible
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What is the mission of the AN/TPQ-50?
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Detect, locate, and report enemy indirect fires
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What does the AN/TPQ-50 also provide?
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simultaneous discrimination and CRAM location data
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Can the AN/TPQ-50 also provide friendly fire data while simultaneously preforming hostile target acquisition/location?
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Yes
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What does RADAR stand for?
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Radio Detection and Ranging
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What are the five basic components of every radar?
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Antenna, Transmitter, receiver, signal and data processor, and display
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The LCMR radar calculates measurements using what?
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AZ bearing , Elevation bearing, Speed (Doppler or position change over time), Range Time for energy to be reflected back to radar) and Size (how much energy is reflected back to Radar).
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What is the frequency range of a AN/TPQ-50?
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1215Mhz to 1390 MHz the L band
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Three or less AN/TPQ-50's have a minimum frequency spacing of ?
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50MHz
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More than three AN/TPQ-50's have a minimum frequency spacing of?
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20MHz, and 30MHz recommended
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Lower frequencies do not provide what?
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adequate resolution for detection, tracking, and discrimination of mortar rounds
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Higher frequencies are degraded with what?
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Rain and snow
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What is the CEP for the AN/TPQ-50?
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50m for indirect fire
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How many simultaneous tracks can the AN/TPQ-50 maintain?
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20
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How many beams does the AN/TPQ-50 scan with?
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24
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How is each beam spaced on the AN/TPQ-50?
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15 degrees or 267 mils
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The Radio Frequency switch in the Central Antenna Assembly scans how many beam positions in how many seconds?
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24 beam positions, four times each second
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During each beam interval, the AN/TPQ-50 is using ?
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8 of the 24 antenna columns.
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1 beam uses a total of how many antenna columns per scan?
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8
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The shortwave scan time on the AN/TPQ-50 is?
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.24 seconds per scan or 4.17 scans per second
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The long wave scan time on the AN/TPQ-50 is?
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0.72 seconds per scan or 1.38 scans per second
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Each antenna column has how many elements?
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6
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The six elements in an antenna column are summed together to form 2 elevation beams at?
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10 degrees, and 25 degress
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Is it recommend to swap a bad column to a location where there was a good column?
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No
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What is the elevation coverage on a AN/TPQ-50?
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25 degrees or 445mils
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What kinds of "other" radars operate in the same frequency as the LCMR?
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Air Surveillance Radars
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What happens when stuctures are located less than 20m from an AN/TPQ-50?
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They can cause multi-path errors
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What is the ideal location for a AN/TPQ-50?
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above surrounding terrain, with a clear view of 360 degrees or 6400 mills in azimuth
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What is the best location for an AN/TPQ-50?
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hill or roof top
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The emplacement height should be less than___ above local terrain.
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15 m or 49.2 ft
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the AN/TPQ-50 should be placed_____ from building or vechiles
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20m or 65.6 ft
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Any error in leveling or determining grid coordinates or azimuth alignment will result in ?
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POO errors
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How many limit switches are there on the vehicle mount?
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6
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S1, S2, and S3 limit switches do what?
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disconnect power to the operator control box
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S4 limit switch does?
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prevents movement of the lower actuator assembly
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S5 limit switch does what?
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prevents further retraction (8degrees) of the upper actuator assembly
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S6 limit switch does what?
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Prevent over extension and verifies the operate position of the lower actuator assembly
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How many actuators are there?
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2
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What do the actuators do?
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Lower controls radar elevation, Upper adjusts roll
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How many PDU cables are there?
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7
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What is the INS located?
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hard mounted to the bottom of the central antenna assembly
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The AC-DC/DC-DC pwoer supply generates?
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+ 50 VDC and +24 VDC from provided power source
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How many card assemblies are located in the digital chamber and what are they?
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3, The DC/DC converter CCA (power), the SBC CCA (commo) (secret flash carD), and the DSP CCA (radar processing ).
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What method does the AN/TPQ 50 use to detect objects?
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amplitude comparison
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The AN/TPQ-50 tracks projectiles as?
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mortar, artillery, or rocket. The system further classifies mortars by being light, medium or heavy.
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Each beam covers how many degrees to make up 360?
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15 degrees of coverage, 267mils
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a AN/TPQ-50 must have a minimum of how many beams to be operational?
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1
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The mask angle for a AN/TPQ-50 should not be greater than?
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100 mils
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How many zones can be placed in the AN/TPQ-50?
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40 zones
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What are the zone shapes for the AN/TPQ-50
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circle, ring, polygon
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Are zones for the AN/TPQ-50 color coded?
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yes
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Disasemmbly of the AN/TPQ-50 is?
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2 operators, 10 min
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What are the 2 LCMR basic subsystems?
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the antenna and laptop
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The secure wireless solution for the LCMR operates wireless using?
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National Security Agency approved Type 1 encryption
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