Aircraft Scanners Data Dictionary
The Data Dictionaries are a set of information describing the contents, format, and structure of elements for EarthExplorer products.
Field Definition: The acquisition date refers to the date the image was acquired.
Format:
YYYY/MM/DD
YYYY = Year
MM = Month
DD = Day
Field Definition: The type of aircraft used for data acquisition.
Example:
C-130B, ER-2, Learjet or P3-B
Field Definition: The tail number of the aircraft used for data acquisition.
Example:
706
Field Definition: Accession number of the corresponding aerial photographs acquired during the flight.
Field Definition: Accession number of the corresponding aerial photographs acquired during the flight.
Field Definition: Accession number of the corresponding aerial photographs acquired during the flight.
Field Definition: Accession number of the corresponding aerial photographs acquired during the flight.
Field Definition: This flag identifies whether the entity has a browse image available or not. A browse image provides the user with a visual overview of an inventory item.
Note: Preview images are resampled from the original data and may not accurately represent the full resolution product.
Field Definition: The percent of the frame obscured by clouds.
Values:
0 to 9 percent cloud cover
10 to 19 percent cloud cover
20 to 29 percent cloud cover
30 to 39 percent cloud cover
40 to 49 percent cloud cover
50 to 59 percent cloud cover
60 to 69 percent cloud cover
70 to 79 percent cloud cover
80 to 89 percent cloud cover
90 to 100 percent cloud cover
Field Definition: This field indicates if there are any pertinent comments associated with the image.
Field Definition: The latitude and longitude are provided in decimal degrees for the following fields:
Values:
Scene Center Latitude and Longitude
Northeast (NE) Corner Latitude and Longitude
Northwest (NW) Corner Latitude and Longitude
Southeast (SE) Corner Latitude and Longitude
Southwest (SW) Corner Latitude and Longitude
Latitude Format Decimal Degrees: -90.000 through 90.000
Longitude Format Decimal Degrees: -180.000 through 180.000
Number of decimal places will vary by dataset – check collection in EE.
Coordinates - Degrees, Minutes, Seconds
Field Definition: The latitude and longitude are provided in degrees, minutes, and seconds for the following fields:
Values:
Scene Center Latitude and Longitude
Northeast (NE) Corner Latitude and Longitude
Northwest (NW) Corner Latitude and Longitude
Southeast (SE) Corner Latitude and Longitude
Southwest (SW) Corner Latitude and Longitude
Longitude Format:
DDDMMSS.SSH
DDD = Degree(s) with a range of 0 through 180
MM = Minute(s) with a range of 0 through 59
SS.SS = Second(s) with a range of 0 through 59.99
H = Hemisphere with E for east and W for west
Latitude Format:
DDMMSS.SSH
DD = Degree(s) with a range of 0 through 90
MM = Minutes(s) with a range of 0 through 59
SS.SS = Second(s) with a range of 0 through 59.99
H = Hemisphere with N for north and S for south
Field Definition: Data acquired at the same time.
Field Definition: Indicates if the data were acquired during the day or night.
Field Definition: Size of file in bytes.
Field Definition: The naming convention of each scene is based on acquisition parameters.
Format:
DDSSSFFFFFFFLLRR
DD = Dataset Designator (Aircraft Scanner)
SSS = Sensor
FFFFFFF = Flight ID
LL = Line number
RR = Run number
Example:
AS0860005190200202
Field Definition: The File Identifier is based on acquisition parameters.
Format:
SSSFFFFFFFLLRR
SSS = Sensor
FFFFFFF = Flight ID
LL = Line number
RR = Run number
Example:
0860005190200202
Field Definition: The name of flight facility that operated the aircraft platform and acquired the data.
Example:
NASA Ames Research Center
NASA Stennis Space Center
Field Definition: The number used to identify the flight/mission.
Field Definition: The number of flight lines within the mission.
Field Definition: Name and agency of the investigator.
Field Definition: Name and agency of the investigator.
Field Definition: Name and agency of the investigator.
Maximum Mean Sea Level Altitude
Field Definition: Maximum mean sea level altitude in meters.
Minimum Mean Sea Level Altitude
Field Definition: Minimum mean sea level altitude in meters.
Field Definition: Maximum nadir pixel size in meters.
Field Definition: Minimum nadir pixel size in meters.
Field Definition: Maximum radar altitude in meters.
Field Definition: Minimum radar altitude in meters.
Field Definition: The original name assigned to the flight/mission.
Field Definition: The name assigned to the Aircraft Scanner project.
Field Definition: A rating of the overall image quality of the frame
Values:
Good to Excellent
Fair
Poor
Very poor
NULL = No quality assigned
Field Definition: Number of scan lines in this scene.
Field Definition: Sequence of scene within flight/mission.
Field Definition: The type of camera used to acquire the imagery.
Values:
072 = NS-001 (Thematic Mapper Simulator, medium altitude,12.2 meter resolution)
074 = TMS (Thematic Mapper Simulator, high altitude, 25 meter resolution)
080 = MAMS (Multispectral Atmospheric Mapping Sensor)
086 = TIMS (Thermal Infrared Multispectral Scanner)
Field Definition: Start time (hours, minutes, seconds) of data acquisition.
Field Definition: Stop time (hours, minutes, seconds) of data acquisition.
Field Definition: Common name of the area of interest.
The Data Dictionaries are a set of information describing the contents, format, and structure of elements for EarthExplorer products.
Field Definition: The acquisition date refers to the date the image was acquired.
Format:
YYYY/MM/DD
YYYY = Year
MM = Month
DD = Day
Field Definition: The type of aircraft used for data acquisition.
Example:
C-130B, ER-2, Learjet or P3-B
Field Definition: The tail number of the aircraft used for data acquisition.
Example:
706
Field Definition: Accession number of the corresponding aerial photographs acquired during the flight.
Field Definition: Accession number of the corresponding aerial photographs acquired during the flight.
Field Definition: Accession number of the corresponding aerial photographs acquired during the flight.
Field Definition: Accession number of the corresponding aerial photographs acquired during the flight.
Field Definition: This flag identifies whether the entity has a browse image available or not. A browse image provides the user with a visual overview of an inventory item.
Note: Preview images are resampled from the original data and may not accurately represent the full resolution product.
Field Definition: The percent of the frame obscured by clouds.
Values:
0 to 9 percent cloud cover
10 to 19 percent cloud cover
20 to 29 percent cloud cover
30 to 39 percent cloud cover
40 to 49 percent cloud cover
50 to 59 percent cloud cover
60 to 69 percent cloud cover
70 to 79 percent cloud cover
80 to 89 percent cloud cover
90 to 100 percent cloud cover
Field Definition: This field indicates if there are any pertinent comments associated with the image.
Field Definition: The latitude and longitude are provided in decimal degrees for the following fields:
Values:
Scene Center Latitude and Longitude
Northeast (NE) Corner Latitude and Longitude
Northwest (NW) Corner Latitude and Longitude
Southeast (SE) Corner Latitude and Longitude
Southwest (SW) Corner Latitude and Longitude
Latitude Format Decimal Degrees: -90.000 through 90.000
Longitude Format Decimal Degrees: -180.000 through 180.000
Number of decimal places will vary by dataset – check collection in EE.
Coordinates - Degrees, Minutes, Seconds
Field Definition: The latitude and longitude are provided in degrees, minutes, and seconds for the following fields:
Values:
Scene Center Latitude and Longitude
Northeast (NE) Corner Latitude and Longitude
Northwest (NW) Corner Latitude and Longitude
Southeast (SE) Corner Latitude and Longitude
Southwest (SW) Corner Latitude and Longitude
Longitude Format:
DDDMMSS.SSH
DDD = Degree(s) with a range of 0 through 180
MM = Minute(s) with a range of 0 through 59
SS.SS = Second(s) with a range of 0 through 59.99
H = Hemisphere with E for east and W for west
Latitude Format:
DDMMSS.SSH
DD = Degree(s) with a range of 0 through 90
MM = Minutes(s) with a range of 0 through 59
SS.SS = Second(s) with a range of 0 through 59.99
H = Hemisphere with N for north and S for south
Field Definition: Data acquired at the same time.
Field Definition: Indicates if the data were acquired during the day or night.
Field Definition: Size of file in bytes.
Field Definition: The naming convention of each scene is based on acquisition parameters.
Format:
DDSSSFFFFFFFLLRR
DD = Dataset Designator (Aircraft Scanner)
SSS = Sensor
FFFFFFF = Flight ID
LL = Line number
RR = Run number
Example:
AS0860005190200202
Field Definition: The File Identifier is based on acquisition parameters.
Format:
SSSFFFFFFFLLRR
SSS = Sensor
FFFFFFF = Flight ID
LL = Line number
RR = Run number
Example:
0860005190200202
Field Definition: The name of flight facility that operated the aircraft platform and acquired the data.
Example:
NASA Ames Research Center
NASA Stennis Space Center
Field Definition: The number used to identify the flight/mission.
Field Definition: The number of flight lines within the mission.
Field Definition: Name and agency of the investigator.
Field Definition: Name and agency of the investigator.
Field Definition: Name and agency of the investigator.
Maximum Mean Sea Level Altitude
Field Definition: Maximum mean sea level altitude in meters.
Minimum Mean Sea Level Altitude
Field Definition: Minimum mean sea level altitude in meters.
Field Definition: Maximum nadir pixel size in meters.
Field Definition: Minimum nadir pixel size in meters.
Field Definition: Maximum radar altitude in meters.
Field Definition: Minimum radar altitude in meters.
Field Definition: The original name assigned to the flight/mission.
Field Definition: The name assigned to the Aircraft Scanner project.
Field Definition: A rating of the overall image quality of the frame
Values:
Good to Excellent
Fair
Poor
Very poor
NULL = No quality assigned
Field Definition: Number of scan lines in this scene.
Field Definition: Sequence of scene within flight/mission.
Field Definition: The type of camera used to acquire the imagery.
Values:
072 = NS-001 (Thematic Mapper Simulator, medium altitude,12.2 meter resolution)
074 = TMS (Thematic Mapper Simulator, high altitude, 25 meter resolution)
080 = MAMS (Multispectral Atmospheric Mapping Sensor)
086 = TIMS (Thermal Infrared Multispectral Scanner)
Field Definition: Start time (hours, minutes, seconds) of data acquisition.
Field Definition: Stop time (hours, minutes, seconds) of data acquisition.
Field Definition: Common name of the area of interest.