The Lowrance AirMap 300 is fully supported by ExpertGPS.
ExpertGPS can connect to the Lowrance AirMap 300 to transfer waypoints, routes, and tracks through your computer's serial (COM) port, and can display your GPS data over USGS topo maps and aerial photos.
The Lowrance AirMap 300 can hold 750 waypoints. Waypoints on the Lowrance AirMap 300 can contain up to 8 characters.
These are the waypoint symbols for the Lowrance AirMap 300 that are displayed in ExpertGPS:

The AirMap 300 can hold 99 routes, each containing up to 99 turns or stops. Route names on the Lowrance AirMap 300 can contain up to 8 characters.
The AirMap 300 can hold 3 tracks. Saved tracklogs on the AirMap 300 can have up to 3000 trackpoints. The active tracklog holds 3000 trackpoints.
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