U.S. Geological Survey Data Series 772
Table 1. 11BIM01 chirp data acquisition parameters.
|
Sample
Frequency (kHz) |
Frequency Range* (kHz) |
Record
Length (ms) |
Shot
Rate (s) |
Shot
Spacing** (m) |
Navigation
System |
Navigation
Receiver Accuracy (m) |
Navigation Fix Interval (s) |
|---|---|---|---|---|---|---|---|
|
43
|
4 - 24; 4 -20 and 4 - 16 |
75
|
0.250
|
0.450
|
OmniSTAR HP DGPS
|
0.20 |
1 |
* See the operation log for lines where changes occur.
**Shot spacing was highly variable and based on a survey speed of approximately 3.5 knots.
