pulseEKKO®
High Performance Geophysical Survey Systems
pulseEKKO® GPR systems provide unparalleled performance with a wide-range of frequencies for applications ranging from deep mineral exploration and glaciology to high-resolution geotechnical investigations and concrete imaging.
System Overview
pulseEKKO® is designed to meet the needs of GPR professionals, addressing many GPR applications.
- The operating bandwidth is selectable from 12.5 MHz to 1000 MHz to optimize the spatial resolution required by target size and exploration depth.
- The fully bistatic design enables variable antenna offsets and orientations for advanced survey types such as multi-offset, transillumination and multi-polarization.
- Low system noise paired with high-accuracy digital acquisition directly at the receiving antenna results in unprecedented depth of penetration.
- Many deployment configurations are available for practical field operation.
- Data are acquired in Sensors & Software’s industry standard file format for analysis with a range of processing and visualization software products.
Applications
- Geological stratigraphy: Profile subsurface stratigraphy, structure and the bedrock surface
- Mining & Quarrying: Detect changes in rock type, fractures, faults and joints for safety and resource development in underground mines
- Geotechnical & Environmental: Map depth to bedrock, detect sinkholes, locate underground storage tanks (USTs) as well as septic systems, drainage systems on golf courses and farms
- Forensics & Archaeology: Law enforcement uncover buried caches of drugs, money, weapons and clandestine graves. Archaeologists image underground artifacts, tombs and the foundations of ancient structures
- Glaciology, Ice & Snow: Measure the thicknesses and image the internal structure of glaciers and ice sheets for polar ice-cap and climate change research. Measure snow depth for water resource management and ice thickness for ice road safety.
- Structure assessment: Assess the interior of concrete and pavement for asset management and maintenance planning
| Specifications | 12.5 MHz | 25 MHz | 50 MHz | 100 MHz | 200 MHz | 250 MHz | 500 MHz | 1000 MHz |
|---|---|---|---|---|---|---|---|---|
| Deep Geology, Glaciology | X | X | X | |||||
| Geology | X | X | X | |||||
| Utilities, Geotechnical | X | X | X | |||||
| Archaeology | X | X | ||||||
| Forensics, Snow & Ice | X | X | ||||||
| Mining, Quarrying | X | |||||||
| Concrete, Roads, Bridges | X |
Advanced Survey Methods
As well as traditional reflection surveys, pulseEKKO’s bistatic antennas allow for variable antenna separations – ideal for CMP, WARR, multi-fold and transillumination surveys.
Multi-channel Surveys
pulseEKKO® is a configurable product. pulseEKKO® components can be used as building block for larger, more advanced systems. For example, several antennas or transducer sets can be networked together using the SPIDAR® hardware.
pulseEKKO® components
Starting from a common control center, assemble the pulseEKKO components into a system best suited to your GPR application. Pick the antenna or transducer that provides the desired operating bandwidth and the deployment method best suited for your environment.
Control Package
The control package is the heart of the pulseEKKO® system and provides system control, data collection parameters and data display. It consists of the digital video logger (DVL), battery and power cables for connection to pulseEKKO antennas and transducers.
Digital Video Logger (DVL)
DVL Features
The digital video logger (DVL) has a high-resolution, sunlight-visible, touch screen and an intuitive user interface for efficient data collection. Easily adjust survey parameters including survey type, time window, step size, and stacking to optimize your GPR survey. For advanced surveys, easily control the antenna geometry and triggering method.
Low Frequency Antenna Electronics
The antenna electronics package contains fibre optic–linked, battery-powered transmitter and receiver electronics modules. The receiver provides full digital data acquisition at the receiving antenna. Fibre optics provides the high performance needed for low frequency deep GPR sounding. The antenna electronics have quick snap–on assemblies to support 12.5, 25, 50, 100 and 200 MHz bandwidth antenna sets.
Transmitters
pulseEKKO has regulatory-compliant transmitters available for every country in the world.
Receivers
pulseEKKO® has two receiver options, the pulseEKKO® PRO (Model 1600) and the pulseEKKO® Ultra (Model 3200).
pulseEKKO® PRO Receiver – Tested by time, the pulseEKKO® PRO Receiver delivers clean, high-quality data for all low frequency GPR applications. For over a decade, this receiver has allowed GPR professionals to collect data on the most remote corners of the earth. The superior data it produces has been the backbone of countless published papers and professional reports.
pulseEKKO® Ultra Receiver – The Ultra Receiver uses the latest in GPR technology to allow users to see up to 2 times deeper. This receiver is fast enough to stack GPR traces thousands of times lowering the noise floor so weaker, deeper GPR signals are detected. The Ultra Receiver stacks thousands of times, allowing GPR practitioners to see GPR signals 100 times smaller than before. High stacking increases the dynamic range of the data from 16-bit to 32-bit. Click here to learn more.
Antennas & Transducers Overview
Antennas
pulseEKKO® provides interchangeable antennas with bandwidths of 12.5, 25, 50, 100 and 200 MHz. All antennas are lightweight, flexible and portable with simple assembly and support structures. All the antennas have the option of adjustable handles (shown in the pictures below). The 50, 100 and 200 MHz antennas can also be deployed on a SmartCart or in the SmartTow configurations.
12.5 MHz Antennas
Applications:
- Very deep geologic sounding applications such as determining bedrock structure
- Glacier and ice sheet depth
25 MHz Antennas
Applications:
- Geologic applications such as hardrock structures
- Glacier and ice sheet depth sounding
50 MHz Antennas
Applications:
- Geologic sounding and geotechnical evaluation
- Hydrogeologic stratigraphy
- Glacier depth sounding
- Fresh water bathymetry
100 MHz Antennas
Applications:
- Geologic mapping and geotechnical surveys
- Deep buried utility locating
200 MHz Antennas
Applications:
- Geotechnical and deep archeology surveys
- Tank and barrel location, buried utility locating
- Buried wall and man-made structure detection
Transducers
Transducers are units which have antennas and transmitter/receiver electronics assembled into a monolithic package to optimize performance. Bandwidths of 250, 500 and 1000 MHz are provided by shielded transducer sets. The square transducers are lightweight and portable with simple assembly and support structures.
250 MHz Transducers
Applications: Geotechnical, Forensics, Archaeology, and Buried Utility Locating
500 MHz Transducers
Applications: Engineering, Forensics, Archaeology, and Buried Utility Locating
1000 MHz Transducers
Applications: Engineering, Infrastructure Assessment, Forensics, Archaeology, and Military
TR1000 Transducers
This compact transducer combines the 1000 MHz transmitter and receiver into one integrated package. Lightweight and portable, it is optimized to access those hard to get at areas and contains an integrated odometer for positioning.
Applications: Engineering/ Infrastructure assessment/ Forensics/ Archeological/ Military
Borehole Antennas
Borehole antennas allow GPR surveys to be performed between boreholes or from borehole to surface. This allows pulseEKKO users to investigate areas inaccessible to traditional surface GPR antennas.
100 MHz Antenna length:1.44m
200 MHz Antenna length:1.21m
EKKO_Project™ software
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Case Studies
GPR Bathymetry
Hydrologists and engineers often require accurate water depth and information about sub-bottom stratigraphy in shallow freshwater lakes and rivers. Uses can vary from estimating available water volumes to the engineering design of new structures.
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