Geophysical Survey Systems TERRAVISION User Manual

Geophysical Survey Systems, Inc. Model 5106 Antenna
System Settings and User Notes

User Manual

We Provide Complete Survey Solutions

Geophysical Survey Systems, Inc.

Manual MN71-082 Rev - 1

13 Klein Drive, P.O. Box 97

North Salem, NH 03073 -0097

Phone: [phone] / FAX: [phone]

www.geophysical.com

[e-mail]

Limited Warranty, Limitations Of Liability And Restrictions

Geophysical Survey Systems, Inc. hereinafter referred to as GSSI, warrants that, for a period of 12 months from the
delivery date to the original purchaser, GSSI's products will be free from defects in materials and workmanship.
EXCEPT FOR THE FOREGOING LIMITED WARRANTY, GSSI DISCLAIMS ALL WARRANTIES, EXPRESS
OR IMPLIED, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A
PARTICULAR PURPOSE. GSSI's obligation is limited to repairing or replacing parts or equipment which are
returned to GSSI, transportation and insurance pre-paid, without alteration or further damage, and which in GSSI's
judgment, were defective or became defective during normal use.
GSSI ASSUMES NO LIABILITY FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR
CONSEQUENTIAL DAMAGES OR INJURIES CAUSED BY PROPER OR IMPROPER OPERATION OF ITS
EQUIPMENT OR SOFTWARE, WHETHER OR NOT DEFECTIVE.
Before returning any equipment to GSSI, a Return Material Authorization (RMA) number must be obtained. Please
call the GSSI Customer Service Manager who will assign an RMA number. Be sure to have the serial number of the
unit available.
GSSI does not convey any license under its patent or other intellectual property rights or the rights of others.

Note: Information in this manual is subject to change without notice. Please consult the
manual updates supplied with your system and contact GSSI with any additional
questions.

Copyright© 2001, 2002 Geophysical Survey Systems, Inc.
All rights reserved, including the right of reproduction in whole or in part in any form

Published by Geophysical Survey Systems, Inc.
13 Klein Drive
North Salem, New Hampshire 03073 -0097

Printed in the United States

GSSI and SIR are registered trademarks of
Geophysical Survey Systems, Inc.

Manual MN71-082 Rev - 2

This device complies with part 15 of the FCC Rules:

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 oper ation

Warning: Changes or modifications to this unit not expressly approved by the party responsible for

compliance could void the user’s authority to operate the equipment.
Operation of this device is restricted to law enforcement, fire and rescue officials,

scientific research institutes, commercial mining companies, and construction
companies. Operation by any other party is a violation of 47 U.S.C. § 301 and could
subject the operator to serious legal penalties.

Coordination Requirements.

(a) UWB imaging systems require coordination through the FCC before the equipment may
be used. The operator shall comply with any constraints on equipment usage resulting from this
coordination.
(b) The users of UWB imaging devices shall supply detailed operational areas to the FCC
Office of Engineering and Technology who shall coordinate this 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 of operation, and the FCC ID number
and other nomenclature of the UWB device. This material shall be submitted to the following
address:
Frequency Coordination Branch., OET
Federal Communications Commission
445 12th Street, SW
Washington, D.C. 20554
ATTN: UWB Coordination

(d) Users of authorized, coordinated UWB systems may transfer them to other qualified
users and to different locations upon coordination of change of ownership or location to the FCC and
coordination with existing authorized operations.

(e) The NTIA/FCC coordination report shall include any needed constraints that apply to
day-to-day operations. Such constraints could speci fy prohibited areas of operations or areas
located near authorized radio stations for which additional coordination is required before operation
of the UWB equipment. If additional local coordination is required, a local coordination contact will be
provided.
(f) The coordination of routine UWB operations shall not take longer than 15 business days
from the receipt of the coordination request by NTIA. Special temporary operations may be handled
with an expedited turn-around time when circumstances warrant . The operation of UWB systems in
emergency situations involving the safety of life or property may occur without coordination provided
a notification procedure, similar to that contained in CFR47 Section 2.405(a)-(e), is followed by the
UWB equipment user.

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Table of Contents

Table of Contents.......................................................................................................................4

Chapter 1: Introduction............................................................................................................5

Overview of this Manual..................................................................................................5

Chapter 2: Hardware Configuration......................................................................................7

Hardware Components...........................................................................................................7

Cable Connections ..................................................................................................................8

Chapter 3: Data acquisition procedure................................................................................9

Data Collection .........................................................................................................................9

Acquisition Details .................................................................................................................12

Positioning.....................................................................................................................12

Depth Measurement....................................................................................................15

Chapter 4: Post-Processing Procedure.............................................................................17

Transferring data to RADAN................................................................................................17

Running RADAN....................................................................................................................17

Appendix B: Troubleshooting Problems...........................................................................18

Manual MN71-082 Rev - 4

Chapter 1: Introduction

Terravision II is GSSI’s first truly One -Pass 3D system. This affords faster and more accurate
data collection and target identification than has ever been available before. The design goal has
been to assist you in detecting the location, depth and angle of pipes --- automatically.

The Terravision II let’s you collect a six -foot wide ribbon of data at a range of speeds and
resolutions that adapt to your application. It is designed to collect 1200 feet of data at three to
four miles per hour. This will deliver the full resolution of one scan per inch. At this resolution,
even rebar mesh is detectable. Going faster is no problem. As your speed increases, the
Terravision II automatically drops resolution and correctly smoothes the data to accommodate. At
the far extreme for example, if you wish to map soil layering, roadbed or geologic structure,
speeds up to fifteen mph will still provide smoothed yet accurate results thanks of its built -in
positioning system. The internal survey wheel will track your position, while the fixed relative
position of the 14 internal antennas guarantees a six-foot swath of correctly spaced 3D data.

At typical speeds for locating pipes (3 to 5 mph) you can collect over a 1500-foot line in under
five minutes. Anyone with experience collecting 3D data will recognize not only what a
generational advance in te chnology this represents but also what a huge dataset you have just
collected! With this is mind, the second important technology advance with this system lies in the
way it helps you analyze your data.

Once the dataset is collected, it is transferred to our RADAN processing software for analysis.
This can be done immediately after data collection, without leaving your ATV. Our new Auto
Target Locator takes the 3D dataset and looks for hyperbolic patterns in all 14 transects. While
some of these targets might be individual rocks or buried trash, pipes should get detected in each
of the 14 transects. The 14 targets will be found to be linear and then automatically highlighted in
the data. The result is a simple means of searching through an enormous amount of 3D data very
quickly.

The results of your analysis are presented, edited and saved in an easy to use 3D interface that can
be outputted to a CAD file. Whether you want to locate pipes to within a few inches, or map soil
stratigraphy in 3D, Terravision II offers a simple and efficient means of getting answers fast. This
manual is written to help you get the most out of your new system, to highlight its strengths and
understand its limitations. Please read it through carefully to avoid confusion.

Overview of this Manual

Chapter 2 – Details the components and requirements of the hardware and setup
Chapter 3 – Steps through the procedure for acquiring data.
Chapter 4 – Explains what needs to be done to interpret your data.
Appendix A – FAQ.

Manual MN71-082 Rev - 5

Figure 1: One possible Terravision II configuration.

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