openapi: 3.2.0
info:
  title: FCC Contours Am Pattern API
  description: 'The FCC Enterprise Contours API provides broadcast radio and television service area data. Includes coverage contours for FM and TV stations by call sign, Facility ID, or ApplicationID, plus elevation, Height Above Average Terrain (HAAT), antenna patterns, coordinate conversion, and distance-curve calculations. All endpoints are free with no authentication required.

    '
  version: 1.5.0
  contact:
    name: Federal Communications Commission
    url: https://geo.fcc.gov/api/contours/
  license:
    name: FCC API Terms of Service
    url: https://www.fcc.gov/reports-research/developers/api-terms-service
servers:
- url: https://geo.fcc.gov/api/contours
  description: FCC Contours API
tags:
- name: am-pattern
  description: Get AM antenna pattern data
paths:
  /getAmPattern.json:
    get:
      tags:
      - am-pattern
      operationId: getAmPattern
      summary: Get AM Antenna Pattern
      description: 'Get AM broadcast station antenna pattern data by facility ID, call sign, or application ID.

        '
      parameters:
      - name: idType
        in: query
        required: true
        description: 'Type of identifier. Valid values: facilityId, callsign, applicationId'
        schema:
          type: string
          enum:
          - facilityId
          - callsign
          - applicationId
      - name: idValue
        in: query
        required: true
        description: Value for the specified identifier type
        schema:
          type: string
      - name: nradial
        in: query
        required: false
        description: Number of radials
        schema:
          type: integer
      responses:
        '200':
          description: AM antenna pattern data
          content:
            application/json:
              schema:
                type: object