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Data Series 972


Acquisition Parameters


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Table 1. 14BIM05 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 - 20
40 - 65
0.250
0.450
OmniSTAR HP DGPS
0.20
1

*Shot spacing was highly variable and based on a survey speed of approximately 3.5 knots. Frequencies are given in kilohertz (kHz), time in seconds (s) and milliseconds (ms), and distances in meters (m).


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