Identify Target Location Error Terms

Question 1

_____ is the closeness with which repeated measurements made under similar conditions are grouped together.

Answer 1

Precision

Question 2

Error expressed with 90% confidence is known as _____.

Answer 2

Absolute Error

Question 3

The mathematical model of the earth that helps account for earth’s irregular shape is known as the ______.

Answer 3

Ellipsoid

Question 4

_____ is divided into 60, 6° longitudinal sections numbered east from the International Date Line and covers from latitude 84° North to latitude 80° South.

Answer 4

Universal Transverse Mercator (UTM)

Question 5

_____ is the closeness of the best estimated value obtained by measurements to the “True” value of the quantity measured.

Answer 5

Accuracy

Question 6

The horizontal accuracy of a derived geospatial location with an unstated confidence level of 50% is _____.

Answer 6

Circular Error

Question 7

The difference between the perceived target coordinate and the true target location is known as _____.

Answer 7

Target Location Error (TLE)

Question 8

An error caused by the measuring device, operation, or environment is known as a _____.

Answer 8

Systematic Error

Question 9

A Category two (CAT II) is _____ meters.

Answer 9

7-15

Question 10

The vertical accuracy of a derived location is known as _____.

Answer 10

Linear Error

Question 11

The two datums required for every precision coordinate are _____ and _____.

Answer 11

Horizontal, Vertical

Question 12

The usable (measurable) portion of an ellipsoid that is used as a start point to measure a specific ellipsoid is known as a _____.

Answer 12

Horizontal Datum

Question 13

_____ measure from the equator (0°) to the North Pole (90° N) and the South Pole (90° S).

Answer 13

Latitude Zones

Question 14

_____ is the radius of a circle within which half of the rounds fired at a target will impact.

Answer 14

Circular Error Probable

Question 15

_____ is described by significant digits in the grid coordinate itself.

Answer 15

Precision

Question 16

Target Location Error Categories must meet the category requirement of _____, _____, and _____.

Answer 16

CE90, LE90, SE90

Question 17

_____ describes error inherent to the source and weapon system.

Answer 17

Accuracy

Question 18

Target Location Error is composed of _____ categories used to facilitate communication of targeting accuracy.

Answer 18

Six

Question 19

_____ is an indicator of the delivery accuracy of a weapon system used as a factor in determining probable damage to a target.

Answer 19

Circular Error Probable

Question 20

The combined horizontal and vertical accuracies make up _____.

Answer 20

Target Location Error (TLE)

Question 21

Errors whose degree or significance increase in the course of a series of measurements or connected calculations is known as _____.

Answer 21

Cumulative Error

Question 22

_____ measure from the Prime Meridian (0°) East and West to 180° near the International Dateline.

Answer 22

Longitude Sections

Question 23

The two Ellipsoid models are _____ and _____.

Answer 23

Non-earth Centered, Earth Centered

Question 24

_____ ellipsoid models are created by shaping the ellipsoid to better fit the area being mapped. They are developed by using land-based survey techniques.

Answer 24

Non-Earth Centered

Question 25

_____ and _____ are the two primary vertical datums used to measure elevation.

Answer 25

Mean Sea Level (MSL), Height Above Ellipsoid (HAE)

Question 26

_____ ellipsoid models are used to map the entire globe and are developed using space-based satellite systems.

Answer 26

Earth Centered

Question 27

Gravity variations across the Earths surface are modeled using the _____.

Answer 27

Earth Gravitational Model