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ZylGpsReceiver.NET is an event driven .NET framework / component collection that communicates with a GPS receiver. It returns latitude, longitude, altitude, speed, course, heading and many other useful parameters of the current position and the parameters of the satellites in view. The component is extended to calculate distances and make conversions between different measurement units and there is also an extension for google maps support, to be able to visualize the GPS positions in real time on a map engine.

Position markers can be added to the maps. Markers can be default balloons or custom images.
Markers is a collection of positions that are indicated on the map. Markers are based on longitude and latitude coordinates.
A custom label text can optionally be displayed on top of a Marker, polyline or polygon or anywhere on the map.
Polylines is a collection of lines that are displayed on the map. Polylines are based on a list of longitude and latitude coordinates.

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