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ImpulseRadar PinPointR User Manual V1.5.1

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About this manual

The  ImpulseRadar  PinPointR  is  a  state-of-the-art,  self-contained  Ultra-Wide  Band  (UWB)  Ground
Penetrating  Radar  (GPR)  system.  The  dual  frequencies  and  mechanical  design  combined  with  the
various accessories like the GPS mounting kit make the system suitable for different kind of locating
and mapping applications.

For information on other applications and/ or configurations, please contact your local ImpulseRadar
representative, or contact our sales team at

[email protected]

This manual is structured as follows:

•

Section 1

–

Hardware systems and accessories

•

Section 2

–

Software

data acquisition and control

•

Section 3

–

Appendices additional notes and technical information

We welcome your feedback concerning this manual and its content. Please send your comments or
suggestions to us at

[email protected]

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Summary of Contents for PinpointR

Page 1: ...ImpulseRadar PinPointR User Manual V1 5 1 PinPointR User manual ...

Page 2: ...ltiple GPR units 13 Key Wi Fi actions 13 ViewPoint Installation 13 Security note 13 Wi Fi pairing and password initialization 14 Using ViewPoint 15 Switching between different GPR units 15 Preferences and Settings 15 Description of GPR unit settings 16 Description of user preferences 17 Projects 17 Running a single line project and associated functionality 18 GPS symbols and function 19 Wheels 20 ...

Page 3: ...ImpulseRadar PinPointR User Manual V1 5 1 Page 3 36 Note on survey speed and settings 27 Appendix A Specifications 29 Appendix B File formats 30 Appendix C GPS 33 Appendix D Regulatory notices 34 ...

Page 4: ...t kind of locating and mapping applications For information on other applications and or configurations please contact your local ImpulseRadar representative or contact our sales team at sales impulseradar se This manual is structured as follows Section 1 Hardware systems and accessories Section 2 Software data acquisition and control Section 3 Appendices additional notes and technical information...

Page 5: ...Wi Fi link and a suitable Android device running the ImpulseRadar ViewPoint App ViewPoint With ViewPoint the operator may collect single line data albeit with two frequencies or a few different types of multi line projects Whether a single line of project based data has been collected datasets may be directly imported into the ImpulseRadar CrossPoint software CrossPoint for processing and evaluati...

Page 6: ...PR unit Blue External GPS It allows the connection of an external GPS to provide higher precision positioning Communication is via a serial RS232 link using the NMEA 0183 V2 protocol and GGA data string Black Measuring Wheel It allows the connection of the odometer cable wheel encoder from the push cart All cable connectors are of high quality from Yamaichi To insert or remove a cable connector ho...

Page 7: ... as well as a foldable handle assembly and a foot brake The GPR unit is mounted in a tray that is suspended under the push cart hood by adjustable support straps as shown in Figure 4 below This arrangement allows the unit to be positioned on or very close to the ground s surface and float freely vertically while following the contour of the ground but also move over bumps and other small obstacles...

Page 8: ...is fully removable or on newer models the screw is held in place within the handle assembly by a spring mechanism as shown in Figure 5 Figure 5 Retaining screw adjustment Note To ensure the proper operation of the spring loaded retaining screw you are advised to periodically lubricate the retaining screw and the threaded insert into which in screws How often will depend on environmental factors bu...

Page 9: ...irst Also it is essential to loosen the front strap to avoid tension on the strap connection point Figure 6 GPR unit fitting and height adjustments Odometer wheel encoder When the push cart is moved over the survey area the distance travelled is measured using an odometer wheel encoder via a connection to the rear right wheel This odometer is also used to trigger the GPR measurement process Depend...

Page 10: ...plugs into the GPR unit via the external GPS socket blue bezel while the other end is terminated with a standard 9 pin D sub connector male When connecting an external GPS receiver it must have an RS232 serial output via a wired connection The GPS receiver should have its own RS232 serial cable that plugs into it while the other end is terminated with a standard 9 pin D sub connector female With t...

Page 11: ...tware is installed and operated on and between different Devices Consequently you may notice subtle differences between your Device and the notes that follow If you require clarification or need further support please contact us at our headquarters or contact your local ImpulseRadar reseller you may also email us at support impulseradar se Note the screenshots and following sequences are based on ...

Page 12: ...u reach the Manage networks sub menu as shown below in Figure 11 Menu sequence Settings Connections Wi Fi Advanced Manage Networks Figure 11 Manage networks GPR unit Wi Fi lock When the Device has established a Wi Fi connection with the GPR unit and the ViewPoint App is active then the Device is prevented from connecting to other wireless networks However if the Wi Fi connection to the GPR unit is...

Page 13: ... interference in the data in the form of many missed traces and at the start screen buttons will blink This blinking effect is a warning and you should investigate the connection settings to fix the problem Multiple GPR units If you have more than one GPR unit we recommend allocating one primary data acquisition Device to each to avoid the potential issues described above Furthermore once the Devi...

Page 14: ... and Bluetooth communication which is necessary for ViewPoint to be able to connect correctly to the PinPointR system ViewPoint will keep asking for the permissions until all the permissions asked for are granted If you deny the consent and check the never ask again option then ViewPoint will not operate correctly and will exit back to the home screen of the Device X XXX will be numerical accordin...

Page 15: ...ow the ImpulseRadar logo as shown in Figure 13 However this may also appear to the right of the logo depending on the Device or its screen orientation Figure 13 PinPointR start screen when Device connected L Device not connected R Switching between different GPR units ViewPoint will detect if connecting to a GPR unit that is not the same as the previous GPR unit it was connected to and will prompt...

Page 16: ...2 bits during surveys requiring high speed only increases the risk of dropping data in Ethernet link use 16 bits and not unnecessary long time windows to reduce the load on data transmission in these cases GPS defines whether to use the internal module or an externally connected system If External is selected you must adjust for the correct baud rate which can be obtained from the user manual for ...

Page 17: ...ether with the radargram during a survey Markers Select available marker standards APWA AS5488 JUPEM or Custom Auto zoom If auto zoom is activated the vertical scale is adjusted to fit the data area on the screen every time a new survey is started Language Select language English Swedish or French Restore User Preferences Set the user preferences to factory default Projects From the start screen y...

Page 18: ...n press and hold the folder icon until the zip dialogue opens Select zip project and a confirmation window will open giving you the option to include a field summary report and to generate a KMZ file Select your preference and confirm The zip file will appear under the parent folder of the relevant data folder Running a single line project and associated functionality Figure 18 illustrates and des...

Page 19: ...t location Pan scroll and zoom the map until it covers the target survey area Exit back to the start screen and that map view is now cached this view will be displayed together with the radargram for the next survey Repeat this process for each new area to be surveyed If you forget or you exceed the boundaries of the cached map no background map will be displayed in map view although you will stil...

Page 20: ...d adjustment The screen and system functionality differ depending on the project type It is possible to use the marker and velocity analyzing functionality for One Line projects as well as a Reference line and GPS projects During data acquisition independent of project type the screen view can be set to show either the high frequency channel only low frequency channel only or both high and low fre...

Page 21: ...s contrast and gain settings and these become the default for any subsequent measurements until the next time they are changed If auto zoom is active the zoom will automatically adjust to fit the radargram every time a new measurement is started However anytime ViewPoint is closed and restarted then these settings are reset to the standard defaults Adjustment of the time zero position can be made ...

Page 22: ... pressing the icon which will change accordingly Regardless of the selection a marker palette offers colour choices according to the defined marker standard as shown in Figure 23 When the quick marker mode is active every tap on the radar data will result in the assignment of a marker Ordinarily the arrow icon is used to fine tune the position of a marker in respect of a target in the radargram To...

Page 23: ... profile is stopped a checksum is performed to confirm the data in both the GPR unit and Device If traces are missing they are quickly restored at which time you may note the momentary display of a message stating restoring missed traces as shown in Figure 25 Note If ViewPoint enters sleep mode minimized during data acquisition the ongoing survey will stop and the data will be saved however any mi...

Page 24: ...ries curb lines fence lines or merely a metering tape laid on the ground Regardless one end of the line needs to be defined as the starting point and then equidistant points marked along its length Profiles are gathered in straight lines perpendicular to the reference line and a reference marker is placed within the GPR data every time the reference line is crossed as illustrated below in Figure 2...

Page 25: ... of each profile you can also reverse the push cart just activate the recording using the reverse arrow on the screen The selected button will be highlighted in green to indicate the chosen direction and additional buttons left right will become available These buttons are used for the placement of the reference marker by indicating the position of the start point to the direction of travel when c...

Page 26: ... is a genuine point of interest or simply a reflection from debris or a random object Consequently it is useful to view one or more parallel profiles to assist in their interpretation This is the basis for the DV project which allows the current profile being collected to be displayed alongside the previous one thereby making it easier to see if reflectors line up in similar positions across them ...

Page 27: ...eously Regardless CrossPoint will correctly load maps and data Viewing files ViewPoint is not intended for data analysis however saved files may be viewed to assist in making decisions on site including QA QC of collected data There is no special view for project based data but individual profiles are accessible When viewing saved files you may zoom and adjust gain contrast just as you would durin...

Page 28: ...e window number of samples also increases the demand for data transfer so selecting a suitable time window for each project is highly recommended Finally the PinPointR like all GPR systems will lose lateral resolution at depth This decreases the demand on the point interval so no need to collect data any denser than necessary concerning the targets you want to resolve Thus increasing the point int...

Page 29: ...sitioning Wheel encoder internal DGPS external GPS NMEA 0183 protocol Power supply 12 V Li Ion rechargeable battery or ext 12 V DC source Power consumption 1 26 A Operating time 7 hours Dimensions 444 x 355 x 194 mm Weight 6 35 kg including battery Operating temperature 20 to 50 C Environmental IP65 Regulatory certification CE FCC and IC Approved CART Dimensions folded for transport 870 x 540 x 37...

Page 30: ...iprb Files information stored in the system Profile Header File text file Example of the Header File Explanations HEADER VERSION 20 DATA VERSION 16 DATE 2017 06 12 START TIME 14 48 13 STOP TIME 14 48 38 ANTENNA 800 MHz ANTENNA SEPARATION 0 090 SAMPLES 500 SIGNAL POSITION 6 CLIPPED SAMPLES 0 RUNS 64 MAX STACKS 512 AUTOSTACKS 1 FREQUENCY 10240 TIMEWINDOW 48 828 LAST TRACE 1741 TRIG SOURCE wheel TIME...

Page 31: ...ation Profile Data File This is a binary file PinPointR can create data files with a 16 bit or 32 bit data format see the field DATA VERSION in the header file Samples are stored as signed 16 bit or 32 bit integers The traces are stored sequentially Positions from GPS This is a text file The file format is simply a parsed version of the NMEA string written with tab separators as follows Trace numb...

Page 32: ...al nr2_002_1 2ch dual nr2_003_0 2ch dual nr2_003_1 profiles TYPE 1 SEPARATION 0 25 Ref line proj type 2 ML_PROJECT_TYPE REF_LINE profiles 2ch refline nr2_001_0 2ch refline nr2_001_1 2ch refline nr2_002_0 2ch refline nr2_002_1 profiles TYPE 2 SEPARATION 0 25 ML proj GPS 3 ML_PROJECT_TYPE GPS profiles 1 201 extern gps ml outside_001_0 1 201 extern gps ml outside_001_1 1 201 extern gps ml outside_002...

Page 33: ... satellite constellation geometry and a week radio link between the base station and the rover may prevent a fixed solution Float RTK In a float solution the algorithm does not yield an acceptable fixed solution so the ambiguity is allowed to be a decimal or floating point number According to Tripod Data Systems a float solution typically generates precise coordinates to between 4 and 18 inches ov...

Page 34: ...tutes commercial mining companies and construction companies Operation by any other party is a violation of 47U S C 301 and the operator may be subject to legal penalties Operation is subject to the following conditions 1 this Device may not cause harmful interference and 2 this Device must accept any interference received including interference that may cause undesired operation of the Device The...

Page 35: ... information with the Federal Government through the National Telecommunications and Information Administration The information provided by the UWB operator shall include the name address and other pertinent contact information of the user the desired geographical area s of operation and the FCC ID number and other nomenclature of the UWB device If the imaging device is intended to be used for mob...

Page 36: ...__ __________________________________________________________________________________ __________________________________________________________________________________ CONTACT INFORMATION CONTACT NAME AND PHONE NUMBER __________________________________________________________________________________ __________________________________________________________________________________ _______________...

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