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53 Cards in this Set

  • Front
  • Back
What does precision refer to ?
mesurements
What does accuracy refer to?
accuracy
What is CE?
Circular Error: the geospatial position *horizontal* accuracy expressed in feet or meters at 90% probability.
What is LE?
Linear Error: is the geospatial position *vertical* accuracy expressed in feet or meters at 90% probablity
What are CE and LE reported at for targeting?
90%
Combined CE and LE determine what?
TLE: Target Location Error
What is TLE?
Target Location Error: is the difference between the actual and expressed location of a target.
What is TLE intrinsic to?
the sensor
What is CEP?
Circular error probable: The geospatial *horizontal* accuracy expressed in feet or meters at *50%* probability.
What is CEP intrinsic to?
the weapon system
What is HAE?
Height above ellipsoid: is the distance above or below an ellipse with a mathematically defined regular surface used to express a geometric model of Earth.
How was HAE derived?
It was derived by using satellites to find the exact center of the Earth and creating an ellipse a *3,930 mile radius* from that point out to the *45 degree latitude lines*.
What is MSL?
Mean Seal Level is a tidal datum that is arithmetic mean of hourly elevation observed over a specified 19 year cycle.
What does MSL average out?
It averages out tidal highs and lows caused by the chaining effects of the gravitational forces of the sun and moon.
What is the CE and LE category 1 standard for targeting?
6m or 20ft
What is GEOTRANS?
a NGA validated program that allows converting geographic coordinates among a wide variety of coordinate systems, map projections, and datum's.
What is a Datum?
a base reference for a coordinate system used to model the earth
What are the two categories of datum?
Horizontal and Vertical
What vertical datum is native to DPPDB?
EGM 96
What is photogrammetry?
is the art and science in making measurements from photographs and imagery
What are the basic types of imagery ? (EIS)
Electro-optical
Infra-red
Synthetic aperture radar
The current imagery sources (platforms) that can generate imagery used by the military are ?
technical means and air breather theater systems
What are the platforms? (PIP-GUES)
Predator
IGNAT
P-3 Orion
Global Hawk
U-2 Dragon Lady
E-8 JSTARS
Scan Eagle
What are the two most common structure types for residential areas in Afghanistan and Iraq?
Adobe and tri-brick
What are the key features that can assist in identifying a mosque? CD-HOW-UP-NMC
Courtyard opposite the halla
Dome
Halla
Orientation to Mecca
Washing station
Upkeep of building
Proximity to other structures
Noon-time activity of Friday
Minaret
Covered arcade
What is does Meta data allow?
Allows the community to search and archive imagery
What does meta data interface with?
Other applications in geo-positioning
Most importantly Meta Data?
Provides geo-coordinates
What impact does shadow have on target marker placement?
Shadows can help identify what you are looking at.
What impact does light have on target marker placement?
Washout (too much light) can inhibit image resolution
What impact does image angle/obliqueness have on target marker placement?
Obliquity and error can skew the coordinates of an image increasing the search time in terrain recognition.
What happens with look angle adverse and obliquity in mountainous terrain?
In mountainous terrain, look angle adverse and obliquity can be challenging
What is mono Imagery?
Mono Imagery is a 2-D representation of a 3-D world
What is stereo imagey?
Uses multiple image captures of the same area and allows us to look at the same thing from two different angles.
What does stereo imagery accurately determine?
feature height
What is image obliquity?
The difference between the reference elevation and the actual terrain elevation creating a possible horizontal error.
What are the error sources for image obliquity?
(SAG-LS)
Sensor location
Altitude
Ground track
Look angle platform
Sensory accuracy
What are the key features or characteristics to properly employ terrain recognition? (SRL3-VSN)
Soil patterns
Roads and paths
Lakes and rivers
Look angle
Light and shadow
Vegetation
Structures and building
North arrow orientation
What is DPPDB?
Digital Point Positioning Data Base
What must be purged?
Obsolete DPPDB for accuracy and currency of the imagery
What is important to have in your AO?
all of the current DPPDB
What is the typical data size for one DDPDB image with all segments?
60 x 60 nautical miles, 3 to 8 gigs
When would you use a segment that has a higher (decreased accuracy) CE and LE?
When the feature you are looking for is not on the current segment

has a raster burn through it

Unit SOP or COCOM states which one to use
Who maintains and posts the Global Holding List and DPPDB?
The National Geospatial-Intelligence Agency (NGA)
Who maintains the No Strike List?
The combatant commander for their Area of responsibility (AOR).
When importing the Global Holdings List text file on your computer or server where should it be placed?
in the Images/DPPDB folder on your computer or server
What is a PFI?
A digital file consisting of a 3-D template, correlated from DPPDB stereo reference imagery and a single National Image Transmission (NITF) file.
PFI files are...?
NGA validated and approved for targeting with circular error, linear error terms.
What applications support PFI files? D2P3NH
DPSS Scene Matching
DIEE
PFED
PFIG
PFI Viewer handheld (PFIV-H)
NITF Viewer
Hand Held Synch (HHS)
What mandates individuals who derive coordinates used in the employment of coordinate-seeking weapons?
CJCSI 3505.01A
What does CJCSI 3505.01A mandate?
Individuals who derive coordinates used in the employment of coordinate-seeking weapons be certified by NGA or an NGA accredited service, Geographic Combatant Command/Functional Command (GCC/FCC) or Allied Program.
What is the Army CONOPS that defines the training and certification standards and procedures for the Army Precision Fires Target Coordinate Mensuration (TCM) Program?
TC 3-09.61
TC 3-09.61 is ?
The Army CONOPS that defines the training and certification standards and procedures for the Army Precision Fires Target Coordinate Mensuration (TCM) Program.