Disaster Connectivity Map (DCM) Connectivity is a map layer of performance, that compiles quality of service (Qos) measurements received via third party providers from software probes installed on end-user devices. The measurements received from SpeedChecker are ping (Ms), download speed (Mbps) and upload speed (Mbps), which are processed into point grid cells of 100-km, 10-km, 1-km, and 100-m which are displayed at different zoom levels depending on scale that the map is zoomed to. The default style (‘point_download’) displays download speed from the ‘download’ attribute field, but changing the style to the ‘ping’ (‘point_ping’) or ‘upload’ (‘point_upload’) fields will display these indicators. DCM Connectivity is a rolling worldwide baseline map layer of measurement data, in which all data received is added cumulatively and the median average for each measurement is recalculated each time it is updated. When the DCM is in active mode, the DCM Connectivity map layer is updated hourly. This map layer does not have a time dimension or time field, so cannot be filtered by time.

Range to a Fibre Notes (Access Points) layers from the ITU Broadband Mapping programme (BBmaps) and research The layer displays 10, 25 and 50 km of distance to a Fibre Node. This is used to calculate the Broadband Capacity Indicator 7 (Percentage of population within reach of transmission networks) The population living within reach of transmission networks is calculated from network nodes (points) rather than routes (lines), because nodes are access points to the network. This is the equivalent of a motorway: a motorway may pass through areas of high and low population density, but the only means of accessing the motorway are at junctions

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Published by Collins Bartholomew in partnership with Global System for Mobile Communications (GSMA), the Mobile Coverage Explorer is a raster data representation of the area covered by mobile cellular networks around the world. Data_MCE global coverage has been sourced from the network operators and created from submissions made directly to Collins Bartholomew or to GSMA, from operators who provide roaming detail for inclusion in the GSMA’s Network Coverage Maps web application (https://www.gsma.com/coverage). The dataset is provided at Global and National level. Global datasets contain the merged global coverages with the following file naming convention. MCE_Global<Technology>_<DataRelease>, where technology is ‘4G’. At country level the rasters depict the network coverage in each country for each technology. Therefore a country is not defined by its border extent but rather by the coverage supplied by network operators with licences in that country. In the file naming convention, countries are identified using their ISO 3166-1 code as follows: MCE_<ISO2Code><Technology>_<DataRelease>. The cell value in the MCE rasters are as follows: 1 - strong signal 2 - variable signal strength This data is supplemented with coverage created from OpenCellID (please see link in the associated resources of this metadata).

ITU Transmission Networks WMS enabled from the ITU Broadband Mapping programme (BBmaps) and related research. Terrestrial backbone connectivity (optical fibres, microwaves). The data for the World Transmission Links have been collected through: Primary sources: Reply to an official request for information (RFI) document has been sent to all Regions outlining the purpose of the project for operators, indicating what level of detail is required, and what format the data is to be published. Secondary sources: On data was readily available in the public domain, from operator websites, annual reports, company presentations, and presentations at industry conferences. Partnership: A number of organizations do already research and produce transmission network maps for particular countries or regions, for various technical reasons. The collection of data as well as their validation from concerned Operators/Administrations is currently a work in progress. This layer Includes extracts and a simplified metadata from the research conducted by ITU on backbone fibre and microwave links. For more information: https://bbmaps.itu.int.