Four types of maps are available in GPS2CAD:

 

Preview

The preview map is provide for the convenience of seeing the selected points as a simple line-plot with labels. It is generated  within GPS2CAD and does not rely on AutoCAD. More on using the Preview map can be found here.

 

The following is a sample of a Preview Map:

 

 

 

 

Aerial Photos and Topo Maps - these are obtained from the TerraServer-USA website, which provides public domain mapping of the United States and selected territories. For the most part it does not provide images outside the U.S. 

 

Aerial Photo:

 

 

 

 

Topo Maps:

 

 

Tiger Maps (also known as Census Maps) are obtained from another public domain site. Because of the restrictions of this kind of display, only one point at a time can be displayed. However it is more flexible with display Scale, allowing more choices than the aerial and topo maps.