{ "culture": "en-US", "name": "MS_TVBroadcast50mile_2017", "guid": "4B5CEE46-E676-400A-A5E0-63E2CE86FB31", "catalogPath": "", "snippet": "MS TV Broadcast 50 mile Contours 2017", "description": "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.", "summary": "MS TV Broadcast 50 mile Contours 2017", "title": "MS_TVBroadcast50mile_2017", "tags": [ "utlities", "communication", "televison", "broadcast area" ], "type": "Map Service", "typeKeywords": [ "Data", "Service", "Map Service", "ArcGIS Server" ], "thumbnail": "thumbnail/thumbnail.png", "url": "", "extent": [ [ -92.6436670459991, 29.3608775163703 ], [ -87.1921315186012, 35.7308330855078 ] ], "spatialReference": "NAD_1983_Mississippi_TM", "accessInformation": "Federal Communications Commission (FCC), MARIS", "licenseInfo": "none" }