TV Broadcast Contours


Identification Information:
Citation:
Citation Information:
Title: TV Broadcast Contours
Geospatial Data Presentation Form: vector digital data
Online Linkage: HIFLD Open Data (https://gii.dhs.gov/hifld/data/open)
Online Linkage: https://www.fcc.gov/media/television/tv-service-contour-data-points
Online Linkage: https://www.fcc.gov/media/radio/general-info-fm-tv-maps-data
Online Linkage: http://fcc.gov/api/content.json
Description:
Abstract: This dataset represents the broadcast service contours for TV stations. In US broadcasting, a service contour(or protected contour) refers to the area in which the Federal Communications Commission(FCC) predicts coverage. The FCC calculates FM broadcasting and TV contours based on effective radiated power(ERP) in a given direction, the radial height above average terrain(HAAT) in a given direction, the FCC's propagation curves, and the station's class.
Purpose: This dataset serves as base information for use in GIS systems for general planning, analytical, and research purposes. It is not intended for engineering work or to legally define FCC licensee data or FCC market boundaries. The material in these data and text files are provided as-is. The FCC disclaims all warranties with regard to the contents of these files, including their fitness. In no event shall the FCC be liable for any special, indirect, or consequential damages whatsoever resulting from loss or use, data or profits, whether in connection with the use or performance of the contents of these files, action of contract, negligence, or other action arising out of, or in connection with the use of the contents of these files. It is known that there are some errors in the licensing information - Latitude, Longitude and Ground Elevation data as well as frequency assignment data from which these files were generated.
Supplemental Information: The following range and codeset field: DATE contains the value “N/A” as a valid value that denotes missing data that was not present in the source data. However, the missing data may be present in other sources not yet discovered and used in the creation and/or maintenance of this dataset. These records may be populated with valid information in future update cycles. If you are using this dataset as a shapefile, please be aware that it was converted from a Geodatabase. As a result, this shapefile may have attribution and metadata errors resulting from the conversion process. The following are known issues: null values may have been changed to 0s (zeros) or to blank values, numbers (including latitude and longitude) may have been rounded up or down, there may be issues with Unicode character strings, and time cannot be stored in a date field. Field names may have been truncated to no longer than 10 characters or completely changed, lengthy string attributes may have been truncated to 254 characters, and attribute columns may have been deleted. Shapefiles do not support coded domains and subtypes therefore the original file geodatabase attribution and metadata information for coded domains and subtypes could be incorrect or missing in the shapefile version. Please visit the following ESRI website for more information: caution-http://pro.arcgis.com/en/pro-app/tool-reference/appendices/geoprocessing-considerations-for-Shapefile-output.htm
Status:
Progress: Complete
Maintenance and Update Frequency: Unknown
Spatial Domain:
Bounding Coordinates:
West Bounding Coordinate: -176.67274
East Bounding Coordinate: 144.684314
North Bounding Coordinate: 71.321441
South Bounding Coordinate: -14.146949
Keywords:
Theme:
Theme Keyword Thesaurus: None
Theme Keyword: Federal Communications Commission
Theme Keyword: TV
Theme Keyword: Contours
Theme Keyword: Broadcast
Theme Keyword: FCC
Theme Keyword: Television
Theme:
Theme Keyword Thesaurus: ISO 19115 Topic Categories
Theme Keyword: utilitiesCommunication
Place:
Place Keyword Thesaurus: None
Place Keyword: Northern Marianas
Place Keyword: American Samoa
Place Keyword: US Virgin Islands
Place Keyword: Puerto Rico
Place Keyword: CONUS
Place Keyword: Hawaii
Place Keyword: Alaska
Place Keyword: Guam
Access Constraints: Access Constraint: None (Public Domain Information)
Use Constraints: Use Constraint: None (Public Use)
Point of Contact:
Contact Information:
Contact Organization Primary:
Contact Organization: Federal Communications Commission (FCC)
Contact Position: Senior Engineer
Data Quality Information:
Lineage:
Process Step:
Process Description:
Updated blank attributes to 'N/A' in the PURPOSE, APP_STATUS, DATE, FAC_STATUS, DATE0, and STATUS fields. Enumerated domain values for 'N/A' added to those fields. Repaired self-intersections on 'ARN = 19830315IA' and 'ARN = 19891117JH'. Select attribution in the PREFIX, LICENSEE, and CITY fields were standardized.
Process Contact:
Contact Information:
Contact Organization Primary:
Contact Organization: HIFLD Support Team
Entity and Attribute Information:
Detailed Description:
Entity Type:
Entity Type Label: TV Broadcast Contours
Entity Type Definition Source: FCC
Attribute:
Attribute Label: FAC_STATUS
Attribute Definition: Facility Status
Attribute Definition Source: FCC
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: N/A
Enumerated Domain Value Definition: Not Available; Denotes missing data that was not present in the source data. However, the missing data may be present in other sources not yet discovered and used in the creation and/or maintenance of this dataset. These records may be populated with valid information in future update cycles.
Enumerated Domain Value Definition Source: HIFLD Support Team
Attribute:
Attribute Label: ARN
Attribute Definition: ARN
Attribute Definition Source: FCC
Attribute:
Attribute Label: OBJECTID
Attribute Definition: Internal feature number.
Attribute Definition Source: ESRI
Attribute Domain Values:
Unrepresentable Domain: Sequential unique whole numbers that are automatically generated.
Attribute:
Attribute Label: Shape_Length
Attribute Definition: Length of feature in internal units.
Attribute Definition Source: ESRI
Attribute Domain Values:
Unrepresentable Domain: Positive real numbers that are automatically generated.
Attribute:
Attribute Label: ID0
Attribute Definition: ID0
Attribute Definition Source: FCC
Attribute Domain Values:
Range Domain:
Range Domain Minimum: 43
Range Domain Maximum: 166512
Attribute:
Attribute Label: LICENSEE
Attribute Definition: Licensee
Attribute Definition Source: FCC
Attribute Domain Values:
Unrepresentable Domain: License holders for the TV broadcast station.
Attribute:
Attribute Label: DATE
Attribute:
Attribute Label: CONTOUR
Attribute Definition: Contour
Attribute Definition Source: FCC
Attribute:
Attribute Label: CITY
Attribute Definition: City
Attribute Definition Source: FCC
Attribute:
Attribute Label: Shape_Area
Attribute Definition: Area of feature in internal units squared.
Attribute Definition Source: ESRI
Attribute Domain Values:
Unrepresentable Domain: Positive real numbers that are automatically generated.
Attribute:
Attribute Label: CHANNEL
Attribute Definition: Channel
Attribute Definition Source: FCC
Attribute Domain Values:
Range Domain:
Range Domain Minimum: 2
Range Domain Maximum: 69
Attribute:
Attribute Label: STATE
Attribute Definition: State
Attribute Definition Source: FCC
Attribute Domain Values:
Codeset Domain:
Codeset Name: Two–Letter State and Possession Abbreviations
Codeset Source: USPS
Attribute:
Attribute Label: APP_STATUS
Attribute Definition: Applicaiton Status
Attribute Definition Source: FCC
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: N/A
Enumerated Domain Value Definition: Not Available; Denotes missing data that was not present in the source data. However, the missing data may be present in other sources not yet discovered and used in the creation and/or maintenance of this dataset. These records may be populated with valid information in future update cycles.
Enumerated Domain Value Definition Source: HIFLD Support Team
Attribute:
Attribute Label: DATE0
Attribute Definition: Date0
Attribute Definition Source: FCC
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: N/A
Enumerated Domain Value Definition: Not Available; Denotes missing data that was not present in the source data. However, the missing data may be present in other sources not yet discovered and used in the creation and/or maintenance of this dataset. These records may be populated with valid information in future update cycles.
Enumerated Domain Value Definition Source: HIFLD Support Team
Attribute:
Attribute Label: PURPOSE
Attribute Definition: Purpose
Attribute Definition Source: FCC
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: N/A
Enumerated Domain Value Definition: Not Available; Denotes missing data that was not present in the source data. However, the missing data may be present in other sources not yet discovered and used in the creation and/or maintenance of this dataset. These records may be populated with valid information in future update cycles.
Enumerated Domain Value Definition Source: HIFLD Support Team
Attribute:
Attribute Label: Shape
Attribute Definition: Feature geometry.
Attribute Definition Source: ESRI
Attribute Domain Values:
Unrepresentable Domain: Coordinates defining the features.
Attribute:
Attribute Label: CALL
Attribute Definition: Callsign
Attribute Definition Source: FCC
Attribute Domain Values:
Unrepresentable Domain: FCC Call Signs
Attribute:
Attribute Label: SERVICE
Attribute Definition: Service
Attribute Definition Source: FCC
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: DT
Enumerated Domain Value Definition Source: FCC
Enumerated Domain:
Enumerated Domain Value: LP
Enumerated Domain Value Definition Source: FCC
Enumerated Domain:
Enumerated Domain Value: DR
Enumerated Domain Value Definition Source: FCC
Enumerated Domain:
Enumerated Domain Value: TV
Enumerated Domain Value Definition Source: FCC
Enumerated Domain:
Enumerated Domain Value: TB
Enumerated Domain Value Definition Source: FCC
Enumerated Domain:
Enumerated Domain Value: CA
Enumerated Domain Value Definition Source: FCC
Enumerated Domain:
Enumerated Domain Value: DS
Enumerated Domain Value Definition Source: FCC
Enumerated Domain:
Enumerated Domain Value: TX
Enumerated Domain Value Definition Source: FCC
Attribute:
Attribute Label: LON
Attribute Definition: Longitude
Attribute Definition Source: FCC
Attribute Domain Values:
Range Domain:
Range Domain Minimum: -176.64194
Range Domain Maximum: 144.28362
Attribute:
Attribute Label: PREFIX
Attribute Definition: Prefix
Attribute Definition Source: FCC
Attribute:
Attribute Label: LAT
Attribute Definition: Latitude
Attribute Definition Source: FCC
Attribute Domain Values:
Range Domain:
Range Domain Minimum: -13.6775
Range Domain Maximum: 71.29222
Attribute:
Attribute Label: ID
Attribute Definition: ID
Attribute Definition Source: FCC
Attribute:
Attribute Label: STATUS
Attribute Definition: Status
Attribute Definition Source: FCC
Attribute Domain Values:
Enumerated Domain:
Enumerated Domain Value: APP
Enumerated Domain Value Definition Source: FCC
Enumerated Domain:
Enumerated Domain Value: GRA
Enumerated Domain Value Definition Source: FCC
Enumerated Domain:
Enumerated Domain Value: LIC
Enumerated Domain Value Definition Source: FCC
Enumerated Domain:
Enumerated Domain Value: DEL
Enumerated Domain Value Definition Source: FCC
Enumerated Domain:
Enumerated Domain Value: CP
Enumerated Domain Value Definition Source: FCC
Enumerated Domain:
Enumerated Domain Value: N/A
Enumerated Domain Value Definition: Not Available; Denotes missing data that was not present in the source data. However, the missing data may be present in other sources not yet discovered and used in the creation and/or maintenance of this dataset. These records may be populated with valid information in future update cycles.
Enumerated Domain Value Definition Source: HIFLD Support Team
Enumerated Domain:
Enumerated Domain Value: STA
Enumerated Domain Value Definition Source: FCC
Distribution Information:
Distributor:
Contact Information:
Contact Organization Primary:
Contact Organization: FCC
Contact Electronic Mail Address: N/A
Distribution Liability: Distributor assumes no liability for misuse of data.
Standard Order Process:
Digital Form:
Digital Transfer Information:
Format Name: Vector Digital Data Set (Polygon)
Fees: None. No fees are applicable for obtaining the data set.
Metadata Reference Information:
Metadata Review Date: 2015-02-25
Metadata Contact:
Contact Information:
Contact Organization Primary:
Contact Organization: Federal Communications Commission (FCC)
Contact Position: Senior Engineer
Metadata Standard Name: FGDC Content Standard for Digital Geospatial Metadata
Metadata Standard Version: FGDC-STD-001-1998
Metadata Time Convention: local time