EBP Ultra-high resolution sub-bottom profi ling Specifications Frequency High band: 100 kHz - 1 MHz Low band: 3.5 kHz - 50 kHz Power Output High band: 900 W RMS at 200 kHz Output Low band: 2 RMS Input 110 or 220 V AC - 24 V DC, 120 W Interfaces 4xRS232 Ethernet interface Output Raw seismic wiggle (user select sampling rate) Digitized depth levels (echo-sounder pre-sets) Real-time density level (requires calibration) Transducer options • 3 – 7 kHz • 10 – 14 kHz • 24 / 33 kHz Vertical resolution • Depends on frequency and cycle selected • 24 kHz 1 cycle < 10 cm • 4 kHz 1 cycle < 40 cm Penetration • Depends on soil type and frequency • 24 kHz: clay / mud, typical 5 m • 4 kHz: clay / mud, typical 10 – 20 m • 4 kHz: sand, typical 5 m Peripheral equipment options • Boomer • Sparker • Bubblegun Data acquisition Display profi le and individual trace, external heave, colour control, position input, signal offset correction, auto-start (slave from Survey PC), real-time density computation Data processing Display profi le and individual trace, unlimited layer defi nition, auto-tracing, layer copying, swell fi lter, external heave/tide, sub bottom amplifi cation, navigation display, cross points and quick line select, targets, export layers to ascii or CAD, graphics export to html, bmp, jpeg Example of Silas sections with detected cable (left) and detected pipelines (right). 9
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