U.S. Geological Survey Data Series 652
Link to the sb_b21_b Printable Profile.
Link to the sb_b21_b Line Navigation Map.
NOTE: Fully functional with Internet Explorer 8 for Windows or Firefox 3.6 for all platforms Serious intermittent navigation errors are present. Use location information with caution
1 Pixel = 1 Shot
18 ms Recording Delay (origin=18 ms)
Vertical Red Annotation Every 500 Shots
Horizontal Red Annotation Every 20 Meters (starts at 30 m)
GPS Offset is dX=1.5m dY=-20m Applied
