Define settings and a default datum transformation for use with a high-precision GPS receiver.

•Receiver Data Spatial Reference: Enter the WKID or WKT of the spatial reference of your receiver data.

•Web Map Data Spatial Reference: The WKID or WKT of the spatial reference of the first editable feature layer of your configured web map. If there are no editable feature layers, the spatial reference of the web map is used.

•Datum Transformation: Select the default datum transformation to use to transform the spatial reference of your receiver data to the spatial reference of your web map data.

•Allow GNSS settings to be overwritten: Activate to allow users of your application to override the spatial references of their receiver data and web map data.

For more information, see Configure High-Precision GNSS.

Currently supported GNSS devices include the following:

•EOS Arrow devices

•Leica Zeno FLX100 plus and GG04

•Trimble R1 and R2

•Bad Elf Bluetooth GPS devices