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OSM Defibrillator Mapping Progress in the 'JE' Postal Area

Note: There is currently no licence to use the 3rd party AED location data directly in OpenStreetMap. So you must not make any OpenStreetMap edits based on the circles on the map, or the data in the popups or tables below. The data can be used to inform surveys though. There is one exception, we do have permission to add the UUID reference numbers from The Circuit to OSM. This website is not intended for use in an emergency. If you require urgent medical assistance, call 999 now.

The blue circles on the map are defibrillator locations from the source data that haven't been matched to an OSM object. Dark blue circles indicate those recorded as having 24/7 public access, the lighter blue is for those with restricted access. The red, orange and yellow circles are OSM objects that haven't been matched to a defibrillator on an official list. (AEDs that may not be available 24/7 are shown as orange (either indoor=yes or opening_hours!=24/7 or access!=yes|permissive|public|no|private), AEDs not generally available for public use are shown as yellow (access=no|private), and everything else is shown as red). Clicking on a circle will show more information about the unmatched object.

Each green line/circle represents a match between an AED in the source data and an OSM object. The OSM object is at the end of the line with a small green circle; the location in the source data is at the other end of the line. Different greens are used as follows: dark green for a match with the Circuit via the UUID, mid green for a match with the Circuit just based on proximity, and pale green for a match with the NDDB based on proximity. For more information about the matching see below. Clicking on a line will show more information about the matched objects.

The matching works as follows: First we check each location from the Circuit for an OSM emergency=defibrillator object with a ref:GB:the_circuit tag that matches the UUID. Then we check each unmatched location in the source data for the nearest unmatched OSM emergency=defibrillator object with a matching postcode, within 1km of the location. Then we go through all still unmatched source locations, and look for any unmatched emergency=defibrillator OSM objects within 30m. If any are found, the nearest is matched. Finally, the previous step is repeated twice more, with increasing maximum distances of 100m and (for the NDDB only) 250m. Note that this matching is not perfect, and if there are multiple nearby AEDs and missing locations in either dataset, then there may be false-positive matches.

Circuit AEDs recorded as duplicates

AEDs are sometimes erroneously registered twice in The Circuit. The duplicate record would appear unmatched in this tool, so there is a mecahnism for manually marking such duplciates. See the Duplicate AEDs page for details. The duplicate AEDs (which are not considered for matching) are listed below.

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Defibrillators not matched to an OSM Object

The AEDs listed here are not close enough to an unmatched AED in OSM to be matched. Matches between The Circuit and an OSM object further away can be forced by adding a ref:GB:the_circuit=* tag to the OSM object with the corresponding Circuit UUID. It is not possible to force a match to the NDDB). In case of a single AED being recorded twice in The Circuit, the duplicate can be noted by this tool. See Duplicate AEDs. The entries in fainter type are those that are not public 24/7 units. These are less likely to be able to be mapped in OSM.

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OSM Objects not matched to a defibrillator on an official lists

The OSM objects here are not close enough to an unmatched AED in one of the data sources to be matched. Matches to an AED in the Circuit that is further away can be forced by adding a ref:GB:the_circuit=* tag to the OSM object with the corresponding Circuit UUID. It is not possible to force a match to the NDDB.

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Circuit AEDs matched to an OSM object by location

To confirm a match as correct, add a ref:GB:the_circuit=* tag to the OSM object with the UUID from The Circuit. To remove an incorrect match, either add the correct UUID (if the AED is listed in The Circuit) or add a not:ref:GB:the_circuit=* tag with a semi-colon separated list of UUIDs not to match.

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Circuit AEDs matched to an OSM object by reference

The matches here are when an AED in OSM has a ref:GB:the_circuit=* tag that matched a UUID from The Circuit.

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NDDB AEDs matched to an OSM object by location

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Data derived from OpenStreetMap data, © OpenStreetMap Contributors, licensed under Open Data Commons Open Database License (ODbL). XAPI courtesy of Overpass API. Includes data from The Circuit / Defib Finder. Includes data from the National Defibrillator Database.