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Geophysical Survey Systems, Inc.

UtilityScan with GS Software

Manual

MN71-307 Rev B

Appendix E: System Specifications

D.1: 350 HS Antenna

Center Frequency:

350 MHz

Max Depth:

10m (35ft) under ideal soil conditions

Battery Life:

6 hours

Environmental Rating:

IP65

Vibration:

3 Axis 30G shock tested, Vibration tested (20-2,000 Hz)

Operating Temperature:

-20C to 40C external (-4F to 104F)

Weight (with tablet and battery):

16.8 kg (37 lbs)

Dimensions:

56 x 49 x 32 cm (22 x 19.25 x 12.5 in)

Model Number:

50350HS

D.2: Tablet

Please refer to the tablet manual for the most up-to-date specifications.

D.3: Data Acquisition and Software

Data Format:

RADAN

(.dzt)

Output Data Format:

32 bit

Scan Rate:

Maximum 200 scans/sec at 512 samples/scan

Scan Interval:

User-selectable

Number of Samples Per Scan:

512, 1024

Operating Modes:

Time- (Continuous), Distance- (Survey Wheel), or Point-Based Collection

Time Range:

200 nanoseconds maximum, user selectable from preset values

Gain:

Manual or automatic gain, 1-8 points, (-40 to +120 dB)

Standard Real-Time Filters:

•

Vertical:

IIR Low-Pass, and IIR High-Pass

•

Horizontal:

IIR Stacking, and IIR Background Removal

Advanced Real-Time Filters: Migration, Surface Position Tracking, Signal Noise Floor

Tracking, Noise Band Removal, and Hilbert Transform.

Содержание UtilityScan 50350HS

Страница 1: ...MN27 151 Rev A MN71 307 Rev B ...

Страница 2: ...reproduction in whole or in part in any form Published by Geophysical Survey Systems Inc 40 Simon Street Nashua New Hampshire 03060 3075 USA Printed in the United States SIR RADAN UtilityScan HyperStacking LineTrac and PaveScan RDM are registered trademarks of Geophysical Survey Systems Inc ...

Страница 3: ...ill assign an RMA number Be sure to have the serial number of the unit available Regulatory Information The use of GSSI antennas is governed by different regulatory agencies around the world Specific antenna models must be certified for legal operation in your country Please read and understand the following regulatory passages that pertain to your antenna A listing of certified antennas by region...

Страница 4: ...Geophysical Survey Systems Inc UtilityScan with GS Software Manual ...

Страница 5: ...p for Data Collection 9 Control Bar 12 Status Bar 16 Collecting Data 17 Playing Back Data 18 File Maintenance and Data Transfer 19 Overview of Menu Items and their Functions 21 The Global Project Menu Stack 21 The File Parameters Menu Stack 24 Appendix A GPS 30 Appendix B Pre Loading Maps to Use in Map Mode 31 Appendix C File Formats 32 Appendix D Loading the App on a Windows Tablet PC 33 Appendix...

Страница 6: ...Geophysical Survey Systems Inc UtilityScan with GS Software Manual ...

Страница 7: ...l GPR systems send out one pulse at a time and record one small piece of reflected information a sample from that one pulse It takes many samples to make a single scan and many scans to make a reflection profile HyperStacking HS for short technology represents a generational leap in GPR HS antennas record many samples from a single pulse This allows an HS antenna to record data at speeds up to an ...

Страница 8: ...Geophysical Survey Systems Inc UtilityScan with GS Software Manual MN71 307 Rev B 2 ...

Страница 9: ... transmitting a Wi Fi signal Note that you are not yet connected to your antenna the system is just displaying available connections The left side of the window will show project folders If this is the first time you are using the system the only folder shown will be the factory default COMMON Playback Collect Navigating the Menu Interface There are three control menu groupings that you will inter...

Страница 10: ...rom file to file in a single project 2 Scroll to the Project section of the stack 3 Tap the current Project folder name this will be called COMMON if using the system for the first time next to Project to select or create a new project folder This will designate the folder in which your data files will be saved You can create a new folder by tapping the New Project Name field and typing the desire...

Страница 11: ...ting click None then scroll and select the name of the GPS you would like to use a If you do not plan to use GPS leave this set to None b If you plan to use the Panasonic G2 internal GPS select G2 GPS c For an external GPS connection follow the GPS connection instructions in Appendix A then reopen the GS Software application to have your GPS appear as an option on the list ...

Страница 12: ...e handles of the antenna your offset cm in will be negative c If you are using the Panasonic G2 internal GPS measure the horizontal distance from the threads on the antenna to the center of the tablet d If you are not using GPS this value can be zero 6 If you plan to collect data with GPS and would like a KMZ file to be exported toggle the Export to KMZ option on For more information on exporting ...

Страница 13: ...UtilityScan To do so close the GS Software application and tap the Windows icon in the bottom left of the Windows control bar Select the application icon and navigate to the GSSI folder Click on the folder to expand and select GS Network Defaults Your network settings are now configured to be compatible with connecting to the UtilityScan antenna and you can connect normally Connecting to the anten...

Страница 14: ...Geophysical Survey Systems Inc UtilityScan with GS Software Manual MN71 307 Rev B 8 ...

Страница 15: ...llect Mode Time No survey wheel emitting scans second continuously Distance Using a survey wheel transmitter triggered by wheel movement Point Collecting one scan at a time when prompted able to stack many scans together to reduce noise Vertical Scale Depth or Time When the vertical scale is displayed as depth you will set the depth of signal penetration Note that the depth displayed is calculated...

Страница 16: ...scan for most applications Scans Second For Collect Mode Time this is your data collection speed Calculate this value by considering how many scans ft or scans m traveled are required to resolve your targets as well as your movement speed A good default is 50 scans second For Collect Mode Distance and Point this number represents the maximum possible collect rate If you exceed this maximum rate th...

Страница 17: ...and may improve target visibility in high dielectric wet and or conductive materials The background removal filter removes any reflector that appears for more than the input scan value at the same time depth and amplitude across scans External low frequency noise often manifests as horizontal banding and conductive materials can produce a fair amount of ringing or horizontal banding This filter re...

Страница 18: ...ew open while adjusting gains so you can see how the waveform is impacted by increasing or decreasing gain values Adaptive Gain If adaptive gain is toggled on a gain compensation algorithm designed to counteract attenuation will be applied The algorithm factors in ground conductivity and the dielectric constant to edit the gain curve and accentuate targets No adjustments can be made to adaptive ga...

Страница 19: ...l only be visible when you pause the data preview in collect mode or pause while actively collecting a data file Once selected you will have the option to use the factory default survey wheel value use the last calibration value or recalibrate the survey wheel To recalibrate the survey wheel 1 Select Recalibrate SW 2 Set the desired calibration distance For Imperial units the distance options are ...

Страница 20: ...Geophysical Survey Systems Inc UtilityScan with GS Software Manual MN71 307 Rev B 14 1 2 3 4 ...

Страница 21: ...ll save and the system will automatically increment to the next line The X spacing can be different from the Y spacing but the spacing must be regular You cannot start your grid at change your line spacing interval part way through the grid to a different interval If you need to recollect a line use the previous line and next line buttons to navigate to the correct line to recollect Use the View i...

Страница 22: ...ent position This can be useful for noting a target s location areas of interest or to distance normalize a file collected in time mode Double tapping the mark icon will open a target marking tool You can select the color and size of the mark applied to your target Ensure that the vertical cursor is bisecting the feature of interest by backing the system up or moving it forward so it scrolls horiz...

Страница 23: ...l bar more information in the Control Bar section above instructions on connecting to an external GPS can be found in Appendix A and instructions on pre loading base maps can be found in Appendix B If you are collecting a 3D Grid more information can be found in the Control Bar section above 3 While collecting data the Record icon will become a Stop icon Pressing this button will stop the file and...

Страница 24: ...l be displayed at a time To display the next file you will need to press the Stop icon then the Play button to playback the next file To play back a 3D file select the appropriate grid file from its folder and press Play Once loaded you can slice up and down the grid s z axis to display data at different depths by using the slider on the left side of the screen You can use the on the slider to mak...

Страница 25: ...tation and how to clear unwanted data from the system s memory These functions are accomplished under the Global Menu Stack using Manage Files 1 To transfer data open the menu stack and tap Manage Files 2 The Manage Files section will open on the righthand side Select the folder you would like to transfer from and select your files You can also transfer an entire folder by adding a check next to t...

Страница 26: ... the device Recommended Move Files will move selected files to a USB and delete them from the device Delete Files will delete the selected files Close will bring you back to the project folder select screen 3 Make sure to insert a USB before selecting Copy Move Files Any screenshots taken of your files during collection will transfer with the GPR data ...

Страница 27: ...ime delay in picoseconds from the system s absolute time zero to the generation of the trigger pulse in the transmitter This is an internal system parameter that is a factory setting and cannot be edited SW Calibration The survey wheel calibration value is displayed here if using an internal survey wheel to measure distance This is not an editable field it only displays the calibration value input...

Страница 28: ...mage you want in your report on the screen even if the file is completely displayed already Tapping Generate Reports will create a preset report including an image and your RADAR parameters This report is placed in your Project folder under Reports as an html file GPS Toggles your choice of GPS between None G2 GPS for the Panasonic G2 s internal GPS and any external GPS units that have been previo...

Страница 29: ... function see Appendix H External SW Toggle External SW on if you are using an external survey wheel to collect data in Distance Mode Be sure to calibrate your survey wheel if connecting an external survey wheel to the system for the first time to ensure that distance is recorded accurately see Control Bar section above for survey wheel calibration instructions Device Firmware Items in this menu s...

Страница 30: ... affect individual files during collection and playback These items can also be changed between file collection during a single survey This menu stack contains four submenus Scan Filter Gain and LineTrac You can expand the menu stack by tapping the right arrow next to each of the three items Scan The Scan menu controls collection mode time depth settings and data density These settings are hard co...

Страница 31: ... inputting an accurate dielectric Time Range This option is only visible if the vertical scale is set to time This parameter is expressed in nanoseconds ns and controls the time the GPR will listen for reflections from the subsurface This represents two way travel time TWTT Increasing this value allows for deeper penetration if soil conditions permit Tapping on the value allows you to change in st...

Страница 32: ...ore causes the data to be exaggerated on the horizontal scale A lower scan density will cause the data to appear more horizontally condensed Samples Scan Each scan trace is made up of individual samples You can think of samples as the dots that make up a line Samples are collected along each scan recorded by the antenna s receiver The amount of samples scan can affect your vertical resolution as t...

Страница 33: ...w pass of 2 3 times the antenna s center frequency and a high pass of 1 3 the center frequency Stacking Scans Stacking is a high frequency noise reduction filter that operates in the horizontal direction The Stacking filter input is in number of scans Each new scan has a 1 n influence in the data with n representing the number of scans entered as your stacking value so this filter tends to smooth ...

Страница 34: ...cess does not affect the data being collected It is a visual indication only Gain Gain is the artificial addition of signal in order to counteract the natural effects of attenuation As a radar scan travels into the ground some of the scan is reflected some of it is absorbed and the remaining signal continues penetrating until it is completely absorbed in the medium Therefore as the scan gets deepe...

Страница 35: ...mount of gain applied at the currently selected point A higher value will increase gain and brighten the region around that gain point Adaptive Gain GSSI has developed a gain compensation algorithm that is designed to more accurately counteract attenuation This is done by taking the conductivity and dielectric of the subsurface material into account This helps accentuate targets with contrasting a...

Страница 36: ... on the list Select your GPS device in the list to pair it with your tablet 5 If you have previously paired your GPS with the tablet it will appear in the Paired Devices field If you have multiple devices paired select the appropriate one from the dropdown before continuing Please note you can only have a maximum of 5 devices paired 6 Open the GS Software application on the tablet 7 Navigate to th...

Страница 37: ... add targets and user marks while in playback that will be reflected in the map display Do not select any files this is the best option if you want to pre load a basemap for a site you have not yet collected data at and press the white back arrow in the bottom left corner of the screen This will bring you to a blank playback screen You can select the location button to open Map View which will dis...

Страница 38: ...G and consists of multiple two sentence blocks First sentence line starting with GSSIS contains the DZT file scan trace number associated with the GPS location Second sentence line starting with GPGGA contains the GPS NMEA coordinate information GSSIS sentence structure Name Example Description Message ID GSSIS Fixed text identifier File Scan 0 File scan trace number 0 Scan Count 1 When Pulse Per ...

Страница 39: ...onality performance will be impaired on tablets with inadequate specifications However if you have your own Windows tablet and would like to download it do so at your own risk The executable can be found on our website www geophysical com Support Download Resources Select the Software Updates tab and click on the UtilityScan Panasonic G2 software to download the file onto your PC Once the files ar...

Страница 40: ...to the tablet manual for the most up to date specifications D 3 Data Acquisition and Software Data Format RADAN dzt Output Data Format 32 bit Scan Rate Maximum 200 scans sec at 512 samples scan Scan Interval User selectable Number of Samples Per Scan 512 1024 Operating Modes Time Continuous Distance Survey Wheel or Point Based Collection Time Range 200 nanoseconds maximum user selectable from pres...

Страница 41: ...1 air to 81 water GPR energy moves through air at almost the speed of light It moves though water at about 1 9 the speed of light A dielectric of 5 to 20 typical for most utility surveys corresponds to RADAR velocities from 5 3 to 2 6 inches per nanosecond or 13 5 to 6 6 cm per nanosecond respectively Wet materials will slow down the signal because the presence of the water will raise the overall ...

Страница 42: ...t Sands 15 Dry Granite 5 Wet Sandy Soils 23 5 Frozen Sand Gravel 5 Dry Bauxite 25 Dry Concrete 5 5 Saturated Sands 25 Dry Limestone 5 5 Wet Clay 27 Dry Sand Gravel 5 5 Peats saturated 61 5 Potash Ore 5 5 Organic Soils saturated 64 Dry Mineral Sandy Soils 6 Sea Water 81 Dry Salt 6 Water 81 Frozen Soil Permafrost 6 Syenite Porphyry 6 Wet Sandstone 6 Meter to English conversion factor 2 54 cm in 1 in...

Страница 43: ...staller on the tablet or an external computer Software Update Requirements Download the update installer Check our website for periodic software updates www geophysical com in the Support Download Resources section Updating the UtilityScan Application on the Panasonic G2 1 Close UtilityScan application if open 2 Double click the update file to run 3 Follow Installer prompt 4 When prompted to updat...

Страница 44: ...e the user mark was applied For target picks the KMZ will record Type color Scan number Latitude Longitude Distance along the collection profile Depth Time Range A screenshot of the linescan data where the target pick was applied Creating a KMZ File If the Export to KMZ setting is toggled on in the Project menu prior to collecting data a KMZ will be automatically created for each file collected wh...

Страница 45: ...work Navigate to the folder containing your files and double click on the appropriate KMZ file This will prompt Google Earth to open the file for viewing Once opened in Google Earth you can click each target pick or user mark icon to display attribute information Opening a KMZ file on the Panasonic G2 tablet Close the GS Software application then connect the tablet to a Wi Fi network Select the Wi...

Страница 46: ...Geophysical Survey Systems Inc UtilityScan with GS Software Manual MN71 307 Rev B 40 ...

Страница 47: ...Geophysical Survey Systems Inc UtilityScan with GS Software Manual MN71 307 Rev B 41 ...

Страница 48: ...Geophysical Survey Systems Inc www geophysical com sales geophysical com 40 Simon Street Nashua NH 03060 3075 USA ...

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