• Browse the data

  Explore channel measurements observations in your browser! Requests made in a browser will default to returning HTML responses; add f=json to your query to always get the JSON response.

  Browse through channel measurements observations

• Read the docs

  The OpenAPI documentation lists available query parameters and has a helpful query-builder interface you can use to bootstrap your requests.

  OpenAPI documentation for the channel measurements endpoint

• See the data dictionary

  Field names, types, and definitions are provided as both an HTML table and a JSON schema file.

  Channel measurements schema

Other links

• The landing page of this server as JSON (application/json)
• The landing page of this server as HTML (text/html)
• This document as JSON (application/json)
• This document as RDF (JSON-LD) (application/ld+json)
• This document as HTML (text/html)
• Schema of collection in JSON (application/schema+json)
• Schema of collection in HTML (text/html)
• Queryables for this collection as JSON (application/schema+json)
• Queryables for this collection as HTML (text/html)
• Items as GeoJSON (application/geo+json)
• Items as RDF (GeoJSON-LD) (application/ld+json)
• Items as HTML (text/html)
• Items as CSV (text/csv; charset=utf-8)

Reference Systems

• http://www.opengis.net/def/crs/OGC/1.3/CRS84
• http://www.opengis.net/def/crs/OGC/1.3/CRS83
• http://www.opengis.net/def/crs/OGC/1.3/CRS27