Show Links where there are Linked Assignments
HIDE SITES - May be useful to view other map layers without clutter
Sort Site Assignment popup list by
Filter by Site details where
Filter by Site Fee Density Area
Filter Sites/Links having Assignments
With Clients where
With Licences where
Linked to parent BSL Licence where
With Assignments/Device Registrations where
By Assignment/Device Registration Frequency range
With Authorisation Date
Use Predefined Region
Leaflet Tile Provider URL
Note: Tile Feeds should use Web Mercator (EPSG:3857) projection.
Viewsheds shown on the map are approximate indications only. They should not be relied upon for analysis.
Check clearance of First Fresnel Zone
Use Refractivity Factor (k)
If your device supports a compass, a green direction arrow may be displayed along with your position marker. This green arrow indicates the orientation you are currently holding your device (ie, where it is pointing to).
If your position is being tracked, you are moving, and your GPS heading can be determined, then a red triangle may be displayed inside your position marker. This red triangle indicates the direction that you are heading.
This button allows you to place a draggable marker on the map. Draggable markers may be useful to determine the nearest address, elevation, elevation profile, or distance and bearing to the most recent site you have clicked/tapped.
This button allows you to open a KML Feed. If you have specified any filter criteria or selected to draw point to point links, then these will also be used in the KML Feed. A program capable of viewing a KML Feed will be required on your device. A KML Feed will re-query the ACMA servers based on your specified map location and search criteria once opened in your KML viewing program. KML Feeds will be useable for any search conditions, however, if the Instant Open options may be useful for small result sets - see below.
This button allows you to change various aspects of the map (and read this help section). Under the General accordion, you can choose whether Point to Point links will be displayed in the map. Please note that displaying Point to Point links may result is poor map response times. Also under this option you can turn off the display of sites and/or zoom to Australia.
Under the 3 Filter accordions you can filter the display of sites on the map based on criteria. The filter criteria can include, filtering by site attributes, filter by assignment attributes (eg, client, licence, linked BSL, or technical details) and/or by a filtering by a spatial region on the map. All filter criteria must be satisfied in order for a site to be displayed on the map.
Filter Regions. Sites can be filtered by a spatial 2d region on the map. This can either be a simple sketched region, such as a box, polygon or circle, an arbitrary WKT, or a predefined spatial region. Sketched and WKT regions can be further edited on the map itself by dragging/adding/deleting region points. Searching and using predefined regions relies on a 3rd party provider (data.gov.au). To use a Predefined Region, firstly select which type of region and then type (enter), at least, 2 characters in the search input. Once suggested results are displayed, select one to add to the map.
Due to technical limitations, filter regions may be spatially simplified under certain circumstances. Regions will be simplified, and an audio warning announced, when
The map background base layer (tile provider URL) can be changed under the Set Base Layer accordion. Note that base layers should use the Web Mercator (EPSG:3857) projection. There are some sample tile feeds available in this section.
Viewsheds can be generated on the map for transmitters having a non-zero antenna height. Click/Tap on a site marker and open the Frequency accordion on the particular transmitter assignment of interest. A viewshed for that assignment can then be generated on the map by selecting a site elevation, colour and distance (radius) - then press "Go".
Viewsheds (and elevation profiles) give an approximate line of sight estimate from a given assignment antenna. To generate viewsheds, either 3 second or 9 second DEM elevation data will be used depending on your chosen radius - however, buildings or foliage are not taken into consideration. If you check the Fresnel zone checkbox then the clearance of this zone will be checked (Fresnel zone calculations may result in poor response times however). The earth curvature is taken into consideration (adjusted to the refractivity factor). However, no other RF characteristics are taken into consideration. Should the assignment have a non-zero azimuth and the antenna a non-zero beamwidth, then a cyan segment outline to that effect will be overlayed on the viewshed. Viewsheds up to a radius of 30km can be generated.
These buttons will be displayed under certain circumstances and allow an "Instant Open" of loaded sites either as CSV or KML . "Instant Open" is different to the "KML Feed" in that the "Instant Open" only considers the currently loaded sites in your browser and current map view (already downloaded site data) as opposed to opening a new KML Feed (which will re-query the ACMA server based on your KML viewing program, viewport, and filter parameters). In order to "Instant Open" Sites, and Links, as a KML, or CSV file, there are some restrictions applied;
These "Instant Open" options may not work on some mobile devices.
|ACMA Site Marker (having at least one assignment). Click/tap for details.|
|ACMA Site Marker (with no assignments)|
|A cluster of 35 sites are in this area (zoom in to reveal)|
|Linked Assignments (Point to Point Links). Click/tap for details.|
|BSL Licensing Area.|
|Point of Interest or Geolocation Marker. Click/tap for additional functions.|
|May appear in conjunction to Geolocation Marker and indicates the direction of your current heading if you are moving (if known).|
|May appear in conjunction to a Geolocation Marker and indicates the direction of your device orientation (the direction your device is facing) (if known).|