Hydrophone System Settings used in East Pacific
Rise (EPR)
Same settings were used for all hydrophones during
a deployment.
From May 1996 to May 1999:
Sample Rate: 100 Hz (*)
Data Source: Model 1v0
N Channels: 1
X, Y, Z (meters): 0, 0, 0
A/D Voltage Range (from 0 to): 5
Mean Voltage approximately : 2.5
Number of Bits of the Digitizer: 8
Hydrophone Sensitivity (dB): -192
Filter Cutoff (Hz): 40
Points from the Pre-Amp Response (for reading the next 2 lines): 7
Hz: 1 2 5 10 20 30 40
dB: 41.9 53.3 61.0 63.2 65.0 66.4 60.4
From May 1999 to November 2000:
Sample Rate: 250 Hz (*)
Data Source: Model 3v0
N Channels: 1
X, Y, Z (meters): 0, 0, 0
A/D Voltage Range (from 0 to): 4
Mean Voltage approximately : 2.2
Number of Bits of the Digitizer: 8
Hydrophone Sensitivity (dB): -192
Filter Cutoff (Hz): 110
Points from the Pre-Amp Response (for reading the next 2 lines): 13
Hz: 1 2 5 10 20 30 40 50 100 200 300 400 450
dB: 24.0 35.0 44.0 50.0 54.0 56.0 58.0 61.0 67.0 70.0 72.0 72.0 70.0
From November 2000 to November 2001:
Sample Rate: 250 Hz (*)
Data Source: Model 3v2
N Channels: 1
X, Y, Z (meters): 0, 0, 0
A/D Voltage Range (from 0 to): 4
Mean Voltage approximately : 2.2
Number of Bits of the Digitizer: 12
Hydrophone Sensitivity (dB): -192
Filter Cutoff (Hz): 110
Points from the Pre-Amp Response (for reading the next 2 lines) |
