If you are working with or specialized inspection software, "GPSLayer" is a custom application ( GPSLayer_Arc9_POSM_MapReader.zip ) often used to add real-time GPS tracking to published maps. How to get it: It is hosted on the POSM Download Website.
is a popular open-source tool that uses a "GPS Layer" to manage real-time feeds and track data. Download GPSlayer exe
For developers, GpsLayer is a class within the (for Android, WPF, or Windows Phone) used to display a device's current location on a map. If you are working with or specialized inspection
Ideal for importing GPX files, managing waypoints, and viewing maps from Google or OSM. 3. ArcGIS SDK Development Download GPSlayer exe
Depending on your goal, you are likely looking for one of the following: 1. POSM MapReader (GPSLayer Component)