U.S. Geological Survey Data Series 242
Sample
Frequency (kHz) |
Record
Length* (ms) |
Shot
Rate (s) |
Shot
Spacing** (m) |
Navigation
System |
Navigation
Receiver Accuracy (m) |
Navigation Fix
Interval (s) |
---|---|---|---|---|---|---|
25
|
53-59
|
0.125
|
0.261
|
WAAS DGPS
|
1-3
|
1
|
*See Table 2 for individual line statistics.
**Shot spacing is approximate.