TerraVision

Overview
Benefits
Specifications

GSSI’s TerraVision™ is the most technically advanced GPR product on the market. This one-pass 3D system affords the fastest, most accurate data collection and target identification available.

TerraVision is a multi-antenna array system, with
14 antennas working simultaneously to gather data in real time. The power within this product lies in its ability to quickly and easily gather full 3D data in
six-foot paths. Results are then calculated in the field for immediate use.

Designed to collect several miles of data at a speed of five miles per hour, TerraVision delivers the full resolution of one scan per inch. At this resolution, even rebar mesh is detectable. As speed increases (up to 15mph), TerraVision automatically drops resolution and correctly smoothes the data to accommodate for scans that were not collected one inch apart.

Typical Uses of TerraVision include:

Large scale utility detection
Archaeology
High-speed airport runway inspection
Site assessments on a large scale

For more information: TerraVision brochure

Array system using 14 internal antennas
Data is acquired and processed with speed
Large scale data acquisition
Cutting-edge antenna layout
Ability to collect a 6-foot wide survey path in one pass
3D data files acquired automatically in real-time
Post-processing that can easily be done in the field
Automatic target recognition
Very user-friendly system
GPS compatible
Cart can be adapted to most vehicles

Software
Antennas	Records data from 14 hardware channels simultaneously; 400 MHz
Display Modes	Linescan and O-scope. In linescan display, 256 color bins are used to represent the amplitude and polarity of the signal.
Automatic System Setups	Storage of an unlimited number of configuration files for different soil types, survey conditions and/or antenna deployment configurations.
Range Gain	Automatic adjustment from -20 to +100 dB. Number of segments in gain curve is 5.
Vertical Filters	Individually filter the scans in the time domain. Low and High Pass, Infinite Impulse Response (IIR). IIR Low Pass: 2 poles High Pass: 2 poles
Mechanical
Size	0.9 x 2.1 m (3 x 7 ft)
Weight	~100 kg (220 lbs)
Maximum Speed	Collecting data: 5 mph (12 scans/ft), 8 mph (6 scans/ft) Transport: 30 mph
Electrical
Resolution	5 pico seconds
Range	0-120 nanoseconds full scale, selectable
Output Data Format	16-bit
Number of Samples per Scan	512
Input Power	12 volts, DC nominal with operating range of 11-15 volts, 130 watts
Thermal
Operating Temperature	-10°C to 40°C external
Relative Humidity	<95% non-condensing
Maximum Temperature Variation	<1°C per minute, <10°C per 30 minutes
Storage Temperature	-40°C to 60°C
Data Storage
Standard (Internal)	4 GB (optional, up to 32 GB)
Optional (External)	Dedicated laptop with ethernet port - 80 GB

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Geophysical Survey Systems, Inc.
A Wholly Owned Subsidiary of OYO Corporation

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