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Product Name:TOPAS PS 18
Product Description:The system is designed for sub-bottom profiling with very high spatial resolution in water depths from less than 20 meter to full ocean depth.
Product type:Parametric sub-bottom profiler
Components to be used in combination with product :GPS, MRU, Echosounder (EM-Multibeam)
Year of initial development:1990
Application:High Resolution
Max power consumption [W]:3000
Power type:AC
Transducer weight [kg]:525
Transducer length [m]:1.142
Transducer width [m]:1.14
Transducer height [m]:0.26
Weight of logging unit [kg]:170
Length of logging unit [m]:0.6
Width of logging unit [m]:0.756
Height of logging unit [m]:1.188
Portability of logger:Rack
Mode of operation 
Platform type:Hull Mounted
Operating System:Windows
Min. depth of operation [m]:10
Max. depth of operation [m]:11000
Min. frequency [Hz]:500
Max. frequency [Hz]:6000
Signal composition:Broadband, Chirp, Single Frequency
Power output [W]:40000
Max. resolution [m]:0.15
Max. penetration [m]:200
Max. pulse rate [Hz]:10
Max. pulse length [s]:0.1
Dynamic range [dB]:110
Heave corrected:Y
Pitch corrected:Y
Roll corrected:Y
Data Processing 
Data displayed :Navigation, attitude, depth, PSD, vertical/horizontal distances, slope
Main use:
Data output :Raw and processed data
Formats:Kongsberg .raw and SEG-Y
Data output for seafloor classification:
Connections:LAN, Monitor, Printer, RS232, USB, VGA
Internal logging:Hard drive
Post-processing:Digital bandpass filter Spiking Deconvolution/Matched filter Time Varying Filter (TVF) Bad trace removal Dereverberation Time Variable Gain (TVG) Automatic Volume Control (AVC) Stacking (Trace mixing) Swell filter Manual/automatic gain Attribute processing Statistics Power Spectral Density (PSD) display
Integration in work process 
Remote operation:Y
External heave input:Y
External roll input:Y
External pitch input:Y
External positioning input:Y
Marking of events:Y
Real time coupling to survey software:Y
Coupling to post-processing software:Y

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