QF750400SGround Penetrating Radar

Geophysical Survey Systems, Inc. www.geophysical.com 400 MHz Antenna Model 50400S Geophysical Survey Systems, Inc. www.geophysical.com Copyright © 2009-2011 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. 12 Industrial Way Salem, New Hampshire 03079 USA Printed in the United States GSSI, RADAN and SIR are registered trademarks of Geophysical Survey Systems, Inc. Limited Warranty, Limitations Of Liability And Restrictions Geophysical Survey Systems, Inc. hereinafter referred to as GSSI, warrants that for a period of 24 months from the delivery date to the original purchaser this product 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, 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 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 can be found www.geophysical.com/regulatoryinformation.htm. Notice Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. Survey Wheels All of GSSI’s antennas are designed to operate with survey wheels. Some antennas have built-in survey wheels, including the 62000 Palm Antenna and the Mini-SIR. The series of concrete antennas, including the 5100, 5101 and 52600, have survey wheels built in to their special carts, the 614 and 615. The larger antennas, including the 3101D, 5103, 50400 and 5104 are used in the larger carts, the 623 and 643, which have survey wheels built in to them. Various sizes of survey wheels can also be attached directly to these antennas. This includes the 611, 620 and 622. For highway surveys we use the 630 Distance measuring Instrument (DMI). Garantie limitée, limites de responsabilité et restrictions Geophysical Survey Systems, Inc, ci-après dénommé GSSI, garantit à l'acheteur original de ce produit que, pendant une période de 24 mois à compter de la date de livraison, ce dernier sera exempt de défauts de matériaux et de fabrication. EXCEPTE POUR CETTE GARANTIE LIMITÉE, GSSI REJETTE TOUTE GARANTIE, EXPLICITE OU IMPLICITE, Y COMPRIS TOUTE GARANTIE DE QUALITE MARCHANDE OU D'ADEQUATION A UN USAGE PARTICULIER. L’obligation de GSSI est limitée à la réparation ou le remplacement de pièces ou équipements qui sont retournés à GSSI, transport et assurance prépayés, sans altération ni d'autres dommages, et qui, d’après GSSI, étaient défectueux ou sont devenus défectueux lors d’une utilisation normale. GSSI N'ASSUME AUCUNE RESPONSABILITE POUR LES DOMMAGES DIRECTS, INDIRECTS, SPÉCIAUX, INCIDENTS OU CONSEQUENTS OU BLESSURES CAUSEES PAR UNE BONNE OU MAUVAISE UTILISATION DE SON EQUIPEMENT DÉFECTUEUX OU NON. Avant de retourner tout équipement à GSSI, une autorisation de retour matériel (RMA) doit être obtenue. Appelez s'il vous plaît le service clientèle GSSI qui attribuera un numéro de RMA. Soyez sûr d'avoir le numéro de série de l'unité. Informations réglementaires L'utilisation des antennes GSSI est régie par différents organismes de réglementation à travers le monde. Certains modèles d'antenne spécifiques doivent être certifiés pour un fonctionnement légal dans votre pays. Merci de lire et comprendre les passages suivants de réglementation qui s'appliquent à votre antenne. Une liste des antennes certifiées par région peut être trouvée sur www.geophysical.com / regulatoryinformation.htm. Avis La mise en œuvre est soumise aux deux conditions suivantes: (1) cet appareil ne doit pas provoquer d'interférences et (2) cet appareil doit accepter toute interférence, y compris les interférences qui peuvent causer un fonctionnement non désiré de l'appareil. Roues codeuses - Odomètres Toutes les antennes GSSI sont conçus pour fonctionner avec des roues codeuses. Certaines antennes, comprenant l'antenne 62000 Palm et le Mini-SIR, intègrent directement les roues codeuses. La série d'antennes pour le béton, comprenant les 5100, 5101 et 52600, ont des roues codeuses intégrées à leurs chariots spéciaux, les 614 et 615. Les antennes plus grandes, telles que la 3101D, 5103, 50400 et 5104 sont utilisées dans les chariots plus grands, les 623 et 643, qui ont des roues codeuses intégrées. Différentes tailles de roues codeuses peuvent être également être fixées directement sur ces antennes, comprenant les 611, 620 et 622. Pour les auscultations de chaussées nous utilisons l’odomètre 630 (DMI : Distance Measuring Instrument). FCC Notice (for U.S. Customers): This device complies with part 15, class F of the FCC Rules: Operation is subject to the following conditions: 1. This device many not cause harmful interference, and 2. This device must accept any interference received, Including interference that may cause undesired operation Warning: Changes or modifications to this unit not expressly approved by the party respo…

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Geophysical Survey Systems, Inc. 12 Industrial Way Tel 603.893.1109 • Fax 603-889-3984 Salem, NH 03079 www.geophysical.com • [email protected] September 1, 2011 Attention: Application Examiner Reviewing Engineer Re: Attestation Statement Applicant: Geophysical Survey Systems, Inc. FRN: 0007-2729-25 FCC ID: QF750400S To whom it may concern, The internal photographs submitted with this application are the same as was EMI tested. Sincerely, _____________________________________ Signature Alan E. Schutz _____________________________________ Name Vice President of Technology _____________________________________ Title Geophysical Survey Systems, Inc. _____________________________________ Company 603-893-1109 _____________________________________ Telephone

Geophysical Survey Systems, Inc. 12 Industrial Way Tel 603.893.1109 • Fax 603-889-3984 Salem, NH 03079 www.geophysical.com • [email protected] Letter of Agency I appoint Compliance Worldwide, Inc. to act on our behalf in front of the Federal Communications Commission with respect to all matters relating to certification of equipment under the FCC rules until further notice. I further certify that no party (as defined in 1.2002 of CFR 47, 1995) to this application, including myself, is subject to denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.,853A. Equipment: ________QF750400S____________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________ Dated this __1___day of____September _________, 2011___. _____________________________________ Signature Alan E. Schutz _____________________________________ Name Vice President of Technology _____________________________________ Title Geophysical Survey Systems, Inc. _____________________________________ Company 603-893-1109 _____________________________________ Telephone

12 Industrial Way Tel 603.893.1109 • Fax 603-889-3984 Salem, NH 03079 www.geophysical.com • [email protected] Geophysical Survey Systems, Inc. September 1, 2011 Attention: Application Examiner Reviewing Engineer Re: Request for confidentiality Applicant: Geophysical Survey Systems, Inc. FRN: 0007-2729-25 FCC ID: QF750400S To whom it may concern, Request is hereby submitted by Geophysical Survey Systems, Inc., to withhold from public review certain portions of the application for equipment certification for the referenced FCC identifier. In particular, the following sections of the application are requested to be kept confidential: Exhibit Type File Name Block Diagram Schematics Operational Description Internal Photos QF750400S BLOCK DIAGRAM.pdf QF750400S Transmitter Schematic.pdf QF750400S Operational Description.pdf QF750400S Internal Photos.pdf Rationale for request for confidentiality: Geophysical Survey Systems, Inc. has invested considerable time and materials in research and development to produce the referenced product. Disclosure of the confidential portions of this application to competitors would not only give them significant competitive advantages in developing similar products, but would also disclose successful implementation of unpublished, leading edge technology developed by us. A separate letter justifying confidential treatment of the internal photographs is included. The fee for confidentiality has been submitted along with the fee for certification. If you have questions or need further information, please contact the undersigned. Sincerely, Alan E. Schutz Vice President of Technology Geophysical Survey Systems, Inc.

Geophysical Survey Systems, Inc. 12 Industrial Way Tel 603.893.1109 • Fax 603-889-3984 Salem, NH 03079 www.geophysical.com • [email protected] September 1, 2011 Mr. Julius Knapp Chief, Office of Engineering and Technology Federal Communications Commission 445 12th Street SW Washington DC 20554 Re: Certification Application FCC ID QF750400S Dear Mr. Knapp: The above-referenced application, filed by Geophysical Survey Systems, Inc., seeks certification for a ground-penetrating radar (GPR) device. The application shows compliance with the Commission's Rules and does not require waivers. We request that certain photographs showing the interior of the devices be withheld from public disclosure. The Commission has previously granted confidentiality under similar conditions to the following applications: FCC ID QF750400 EA640311 FCC ID QF762000 EA291754 FCC ID QF75103A EA870041 FCC ID QLA250MHZ EA586775 FCC ID QLAMID EA364767 FCC ID QLA500MHZ EA369105 FCC ID QLA800MHZ EA813498 F ACTUAL BASIS FOR CONFIDENTIALITY REQUEST Ordinarily the Commission denies confidentiality to photographs of a device on the ground that the information they contain is freely available to a competitor, simply by purchasing the device and (if necessary) unscrewing the cover. The devices in question are different. The interior is sealed, and its internal appearance is inaccessible to the purchaser. To gain access to the views shown in the interior photographs, a competitor would have to purchase the device and then carry out the following steps: 1. Use a drill to dismantle all the rivets securing the cover. (A competitor has no way of knowing the correct drill size, or where to begin dismantling. Use of the wrong drill, or starting with the wrong rivets, will require replacing all mechanical parts.) Geophysical Survey Systems, Inc. 12 Industrial Way Tel 603.893.1109 • Fax 603-889-3984 Salem, NH 03079 www.geophysical.com • [email protected] 2. Destroy and remove all silicon caulking used for sealing the antenna. Absorbers are glued to the transmitter elements and cannot be removed undamaged. The antenna flares are connected to the RF absorbers, as well as to the metallic shields, with thin layers of absorbers glued in place. These strips cannot be loosened without destroying them. A competitor is unlikely to have access to the right material, or even to know what grade of materials to use. 3. Use a drill to dismantle the rivets in the shield. 4. De-solder the sampler head, so as to remove the electronics. GSSI has never released instructions on how to disassemble its units, and does not answer questions on how to do so. This information is kept internal to the company. If a unit arrives at the company's repair facility showing evidence of such tampering, the company does not repair it, but charges the customer for a new unit plus freight costs. The Commission's posting of the photographs would allow a competitor to bypass this difficult and expensive disassembly. From the photographs, a competitor can estimate: 1. the costs of manufacturing the printed circuit boards and mechanical housing; 2. the man-hours required to assemble the device; 3. any compatibility problems the manufacturer will have in designing new systems; and 4. the age of the electronic design (which gives valuable competitive information on upgrade and R&D efforts). Access to interior photographs would almost permit a competitor to conduct a complete reverse engineering, to the point of producing a schematic. We respectfully submit that manufacturers should not be required to hand over to competitors the fruits of years of expensive engineering. Geophysical Survey Systems, Inc. 12 Industrial Way Tel 603.893.1109 • Fax 603-889-3984 Salem, NH 03079 www.geophysical.com • [email protected] LEGAL BASIS FOR REQUEST The Freedom of Information Act (FOIA) protects from disclosure "commercial or financial information obtained from a person and privileged or confidential." 1 Information is confidential if it is "the kind of information 'that would customarily not be released to the public by the person from whom it was obtained,'" 2 and would cause "substantial harm to the competitive position of the person from whom the information was obtained." 3 The D.C. Circuit in Worthington Compressors addressed the specific issue underlying the present request: the "additional wrinkle that the requested information is available, at some cost, from an additional source." 4 Here, of course, the "additional source" is the acquisition and destruction of a specimen unit, and the cost is that of repairing or replacing it following access to the interior. According to the Worthington court, availability of the information through alternate sources triggers two additional inquiries: (1) the commercial value of the information, and (2) the cost of acquiring the information through the other means. 5 The court acknowledges that the submitting party can suffer competitive harm if the information has commercial value to competitors. 6 That is the case here. As explained above, the interior photographs disclose a great deal of expensive (and proprietary) engineering. Once commercial value is established, the court turns next to the cost of acquiring the information by means other than agency disclosure. If competitors "can acquire the information [by other means] only at considerable cost, agency disclosure may well benefit the competitors at the expense of the submitter." 7 1 5 U.S.C. Sec. 552(b)(4). 2 McDonnell Douglas Corp. v. NASA, 180 F.3d 303, 304-05 (D.C. Cir. 1999), quoting Critical Mass Energy Project v. NRC, 975 F.2d 871, 879 (D.C. Cir. 1992) (en banc). See also National Parks & Conservation Ass'n v. Morton, 498 F.2d 765, 770 (D.C. Cir. 1974). 3 Worthington Compressors, Inc., v. Costle, 662 F.2d 45, 51 (D.C. Cir. 1981), citing National Parks & Conservation Ass'n v. Morton, 498 F.2d 765, 770 (D.C.Cir.1974). 4 Id. (italics in original). 5 Id. 6 Id. 7 Id. Geophysica…

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Title: Label FCC Approval 50400S Antenna Date: 7/17/08 Rev: 1 Document no: Y-10-245 LABEL SIZE: 3.5” X 1.25” MATERIAL: 3M 7908 WHITE POLYESTER OVERLAM: 0.001” CLEAR MATTE POLYESTER ADHESIVE: PERMANENT ACRYLIC (350) COLOR: WHITE WITH BLACK TEXT FONT: HEADING - ARIAL 10pt, BODY – ARIAL 9pt, FOOTING – ARIAL 10pt FCC ID QF750400S This device complies with Part 15 of the FCC Rules. Operation is subject to the following two 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. MADE IN USA

Compliance Worldwide, Inc. - 357 Main Street - Sandown, NH 03873 COMPLIANCE WORLDWIDE INC. TEST REPORT 353-11 In Accordance with the Requirements of Industry Canada RSS 220, Issue 1, March 2009 Federal Communications Commission 47 CFR Part 15, Subpart F Technical Requirements for Ground Penetrating Radar Systems Issued to Geophysical Survey Systems, Inc. 12 Industrial Way Salem, NH 03079 603-893-1109 For the 50400S Antenna FCC ID: GF750400S IC: 8498A-50400S Report Issued on August 31, 2011 This test report shall not be reproduced, except in full, without written permission from Compliance Worldwide, Inc. (603) 887 3903 Fax 887 6445 http://www.complianceworldwide.com Test Number: 353-11 Issue Date: 08/31/2011 Page 2 of 26 Compliance Worldwide, Inc. - 357 Main Street - Sandown, NH 03873 (603) 887 3903 Fax 887 6445 http://www.cw-inc.com Table of Contents 1. Scope .................................................................................................................................. 3 2. Product Details.................................................................................................................... 3 3. Product Configuration ......................................................................................................... 3 4. Measurements Parameters................................................................................................. 5 5. Measurements Summary .................................................................................................... 7 6. Measurement Data.............................................................................................................. 8 7. Test Images ...................................................................................................................... 21 7.1. Spurious Emissions – 30 MHz – 960 MHz (Front) ......................................................... 21 7.2. Spurious Emissions – 30 MHz – 960 MHz (Rear).......................................................... 22 7.3. Spurious Emissions – 960 MHz - 18 GHz (Front) .......................................................... 23 7.4. Conducted Emissions (Front)......................................................................................... 24 7.5. Conducted Emissions (Rear) ......................................................................................... 25 8. Test Site Description ......................................................................................................... 26 Test Number: 353-11 Issue Date: 08/31/2011 Page 3 of 26 Compliance Worldwide, Inc. - 357 Main Street - Sandown, NH 03873 (603) 887 3903 Fax 887 6445 http://www.cw-inc.com 1. Scope This test report certifies that the Geophysical Survey Systems 50400S Antenna, as tested, meets the FCC Part 15, Subpart F and Industry Canada RSS 220 requirements. The scope of this test report is limited to the test sample provided by the client, only in as much as that sample represents other production units. If any significant changes are made to the unit, the changes shall be evaluated and a retest may be required. 2. Product Details 2.1. Manufacturer: Geophysical Survey Systems, Inc. 2.2. Model Number: 50400S 2.3. Serial Number: 308 2.4. Description: Ground Penetrating Radar 2.5. Power Source: via SIR-30 Control Unit 2.6. Hardware Revision: N/A 2.7. Software Revision: N/A 2.8. Modulation Type: 2.5 nS Impulse 230 kHz PRF 2.9. Operating Frequency: 400 MHz Nominal 2.10. EMC Modifications: None. 3. Product Configuration 3.1 Operational Characteristics & Software The 50400S Antenna is connected to a SIR-30 controller. The EUT was configured to be continuously transmitting and collecting data using a 230 kHz Pulse Repetition Rate. The EUT can be operated while plugged in, therefore conducted emissions were performed on the SIR- 30 while operating. . Hardware Setup: Connect the 50400S Antenna to the Marker/Survey Unit and SIR-30 controller. Turn on the controller and allow the system to warm up. Software Setup: For normal operation: 1. After boot up start the unit scanning at a 230 kHz PRF. Test Number: 353-11 Issue Date: 08/31/2011 Page 4 of 26 3. Product Configuration (continued) 3.2. EUT Hardware Manufacturer Model Serial Number Description/Function GSSI 50400S 308 400 MHz Antenna 3.3. EUT Cables/Transducers Manufacturer Model/Part # Length (m) Shield Y/N Description/Function GSSI Marker / Survey 2 Y Hand unit for Surveying and Marking Locations GSSI Antenna Cable 10 Y Control cable to SIR-30 Control Unit 3.4. Support Equipment Manufacturer Model/Part # Input Voltage Input Freq Description/Function GSSI SIR-30 120 60 Control Unit 3.5. Test Setup Diagram Compliance Worldwide, Inc. - 357 Main Street - Sandown, NH 03873 (603) 887 3903 Fax 887 6445 http://www.cw-inc.com 3 meters 1 SIR-30 Controller Support equipment beyond ground plane EUT OATS Ground Plane 1 Measurement distance varies according to the measurement being made. 2 Equipment listed is representative of the equipment used. See the test equipment list for details. Sand Pit 12’ (W) x 4’ (L) x 4’ (D) 13.5 Yards of Dr Drawing is not to scale y Concrete Sand HP 8449B or Miteq Pream p 2 Agilent E4407B Spectrum Anal yzer 2 Test Number: 353-11 Issue Date: 08/31/2011 Page 5 of 26 Compliance Worldwide, Inc. - 357 Main Street - Sandown, NH 03873 (603) 887 3903 Fax 887 6445 http://www.cw-inc.com 4. Measurements Parameters 4.1. Measurement Equipment Used to Perform Test Device Manufacturer Model No. Serial No. Cal Due Spectrum Analyzer 100 Hz to 26.5 GHz Agilent E4407B MY45104493 12/22/2012 Spectrum Analyzer 100 Hz to 26.5 GHz Agilent E7405A MY45115430 10/22/2011 Microwave Preamp 1 to 26.5 GHz Hewlett Packard 8449B 3008A01323 12/1/2012 Preamp 100 MHz – 2 GHz Miteq AFS3-01000200 257561 5/24/2012 EMI Receiver 9 kHz to 6.5 GHz Hewlett Packard 8546A 3330A00115 10/28/2011 Bilog Antenna 30 to 1000 MHz Com-Power AC-220 25509 8/30/2011 Horn Antenna 1 to 18 GHz Electro-Metrics EM-6961 6337 10/19/2012 H…

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Test Number: 353-11 Issue Date: 08/31/2011 7. Test Images 7.1. Spurious Emissions – 30 MHz – 960 MHz (Front) Page 21 of 26 Compliance Worldwide, Inc. - 357 Main Street - Sandown, NH 03873 (603) 887 3903 Fax 887 6445 http://www.cw-inc.com Test Number: 353-11 Issue Date: 08/31/2011 7. Test Images 7.2. Spurious Emissions – 30 MHz – 960 MHz (Rear) Page 22 of 26 Compliance Worldwide, Inc. - 357 Main Street - Sandown, NH 03873 (603) 887 3903 Fax 887 6445 http://www.cw-inc.com Test Number: 353-11 Issue Date: 08/31/2011 7. Test Images 7.3. Spurious Emissions – 960 MHz - 18 GHz (Front) Page 23 of 26 Compliance Worldwide, Inc. - 357 Main Street - Sandown, NH 03873 (603) 887 3903 Fax 887 6445 http://www.cw-inc.com Test Number: 353-11 Issue Date: 08/31/2011 7. Test Images 7.4. Conducted Emissions (Front) Page 24 of 26 Compliance Worldwide, Inc. - 357 Main Street - Sandown, NH 03873 (603) 887 3903 Fax 887 6445 http://www.cw-inc.com Test Number: 353-11 Issue Date: 08/31/2011 7. Test Images 7.5. Conducted Emissions (Rear) Page 25 of 26 Compliance Worldwide, Inc. - 357 Main Street - Sandown, NH 03873 (603) 887 3903 Fax 887 6445 http://www.cw-inc.com