QF73101D

Manual MN30-063 Rev - A Model 3101D Antenna System Settings and User Notes We Provide Complete Survey Solutions Geophysical Survey Systems, Inc. 13 Klein Drive, P.O. Box 97 North Salem, NH 03073-0097 Phone: (603) 893-1109 / FAX: (603) 889-3984 www.geophysical.com [email protected] Geophysical Survey Systems, Inc. Model 3101 Antenna System Settings and User Notes Manual MN30-191 Rev - Geophysical Survey Systems, Inc. Model 3101 Antenna System Settings and User Notes Manual MN30-191 Rev - 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. Geophysical Survey Systems, Inc. Model 3101 Antenna System Settings and User Notes Manual MN30-191 Rev - GSSI is required to notify customers of the following restrictions. However, GSSI and other GPR manufacturers have challenged these regulations. 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 operation 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 12 th 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 specify 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. Geophysical Survey Systems, Inc. Model 5106 Antenna System Settings and User Notes Manual MN30-191 Rev - 1 Model 3101D Antenna The Model 3101D antenna is a high frequency antenna that is designed for applications requiring very fine resolution and shallow depth penetration. The Model 3101D can be used in continuous, survey wheel or static stacking modes. The Model 3101D can only be used with a “deadman” switch with the SIR-20 or SIR-3000 control units. These systems are designed to drive the antenna at its maximum rated pulse repetition frequency of 100 KHz. These limitations are imposed by the Federal Communications Commission (FCC) System Setu…

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_____________________________________________________________________________________________________________ Geophysical Survey Systems, Inc. _____________________________________________________________________________________________________________ 13 Klein Drive - P.O. Box 97, North Salem, NH 03073-0097, U.S.A. / Telephone (603) 893-1109 Fax (603) 889-3984 website www.geophysical.com e-mail [email protected] July 25, 2002 Attention: Application Examiner Reviewing Engineer Re: Attestation Statement Applicant: Geophysical Survey Systems, Inc. FRN: 0007-2729-25 FCC ID: QF73101D To whom it may concern, The internal photographs submitted with this application are the same as was EMI tested. Sincerely, Dennis J. Johnson President, Geophysical Survey Systems, Inc.

_____________________________________________________________________________________________________________ Geophysical Survey Systems, Inc. _____________________________________________________________________________________________________________ 13 Klein Drive - P.O. Box 97, North Salem, NH 03073-0097, U.S.A. / Telephone (603) 893-1109 Fax (603) 889-3984 website www.geophysical.com e-mail [email protected] July 25, 2002 Attention: Application Examiner Reviewing Engineer Re: Request for confidentiality Applicant: Geophysical Survey Systems, Inc. FRN: 0007-2729-25 FCC ID: QF7-3101D 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: • Schematics • Detailed Block diagrams • Detailed Operational/Functional Description 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. 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, Dennis J. Johnson President, Geophysical Survey Systems, Inc.

Letter of Agency I appoint Intertek Testing Services NA 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: __QF7-5103, QF7-3101D, QF7-PATHFINDER and QF7-4108 ________________________________________________________________________ ________________________________________________________________________ Dated this __23rd_day of_July, 2002___. _____________________________________ Signature Dennis J. Johnson______________________ Name President______________________________ Title Geophysical Survey Systems, Inc._________ Company 603-893-1109_________________________ Telephone

FCC ID QF73101D Applicant: Geophysical Survey Systems,Inc. Correspondence Reference Number: 24072 731 Confirmation Number: EA461886 1) The unit is designed so that there is only low-frequency spurious signals into the air. Those spurious signals are what is measured by the required tests. The higher frequency signals are sufficiently attenuated by the ground, through which they must pass. A plot of the 10dB bandwidth is submitted as a Test Report Exhibit file name 3101D_10dB_plot.pdf 2) The antenna is entirely within a shielded metal box. Only the bottom is open (where the fans are). All of our antennas are shielded to avoid clutter from the surrounding area. This is a severe problem with unshielded antennas. The shielding is a five- sided box made from Aluminum. The emissions test had the receiving horn and log periodic vary from 1 meter to 4 meters above the DUT. This has demonstrated that the shielding is sufficient to keep the air emissions below the spec curve 3) A revise photograph of the labels and location have been submitted as a label exhibit with the file name QF73101D LABELS REV B.doc 4) A schematic of the transmitter has been uploaded as a Schematic Exhibit, file name QF73101E Transmitter Schematic.pdf 5) A complete set of internal photos was uploaded on 8/13/2002. The antenna is the PCB structure labeled “FAN PC BD FROM BOTTOM SIDE” 6) A revised test report is submitted with file name 3101D_report_RevD.pdf. It includes: - Settings of the spectrum analyzer during RMS measurements (RBW, VBW, Detector, sweep time)(including during Tmax + 0.5ms) p11 - test data from 960-1000MHz using a log periodic antenna p14 - table and plot of 10dB bandwidth p17-19

3101D FCC LABEL LOCATION LABEL TO READ: LABEL MATERIAL: THESE LABELS ARE PERMANENT FOR THE LIFE OF THE PRODUCT. THEY ARE REVERSE SCREEN-PRINTED ON 8 MIL POLYESTER FILM WITH PERMANENT ADHESIVE. THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. OPERATION IS SUBJECT TO THE FOLLOWING 2 CONDITIONS: 1. THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE. 2. THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION. MADE IN USA FCC ID. QF73101D 1.25 " 3.5" FCC LABEL

QF73101D LABEL LOCATION REV B LABELS TO READ: LABEL MATERIAL: THESE LABELS ARE PERMANENT FOR THE LIFE OF THE PRODUCT. THEY ARE REVERSE SCREEN-PRINTED ON 8 MIL POLYESTER FILM WITH PERMANENT ADHESIVE. THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. OPERATION IS SUBJECT TO THE FOLLOWING 2 CONDITIONS: 1. THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE. 2. THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED, INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION. MADE IN USA FCC ID. QF73101D 1.25 " 3.5" FCC LABELS 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.

3101D ANTENNA ASSEMBLY INTERNAL PHOTOS Page 1 of 4 3101D ANTENNA ASSEMBLY Internal Photos TOP VIEW OF ASSEMBLY WITH BOARD REMOVED FROM SLOT BOARDS SHOWN: 1. DIFFERENTIAL SAMPLER (LEFT) 2. S.R. DRIVE BOARD (RIGHT, REMOVED FROM SLOT) 3101D ANTENNA ASSEMBLY INTERNAL PHOTOS Page 2 of 4 1. DIFFERENTIAL SAMPLER BOARD Installed in unit Topside shown, board is bent after Backside Inserting into shield slot. 3101D ANTENNA ASSEMBLY INTERNAL PHOTOS Page 3 of 4 2. S. R. DRIVE PC BOARD COMPONENT SIDE BACKSIDE 3101D ANTENNA ASSEMBLY INTERNAL PHOTOS Page 4 of 4 CONNECTOR END (FAN PC BD SEEN ON BOTTOM) FAN PC BD FROM BOTTOM SIDE

QF73101D pulse shape. Horizontal scale is 15 ns full scale. First pulse is direct coupling. Second pulse is reflected off a metal sheet.

MM FCC Subpart 15FPage 1 of 30 Project Number: 3036360Report number 3101D_report_2-03-03.doc TEST REPORT Report Number: 3101D_report_2-03-03.doc Project Number: 3036360 Date: rev. 2/3/03 Date(s) of Test: January 6 to 10, 2003 Evaluation of the Model number: 3101D To CFR 47 Part 15 Subpart F For Geophysical Survey Systems Test Performed by: Intertek Testing Services Test Authorized by: Geophysical Survey Systems 70 Codman Hill Rd. Boxborough, MA 01719 13 Klein Drive PO Box Salem, NH 03079 Prepared by: _______________________________Date: _______________________________ Robert F. Martin Reviewed by: _______________________________Date: _______________________________ Robert F. Martin Sr. Technical Manager All services undertaken are subject to the following general policy: Reports are submitted for exclusive use of the client to whom they are addressed. Their significance is subject to the adequacy and representative character of the samples and to the comprehensiveness of the tests, examinations or surveys made. No quotations from reports or use of Intertek Testing Services NA Inc. name is permitted except as expressly authorized by Intertek Testing Services NA Inc. in writing. This report must not be used to claim product endorsement by NVLAP, NIST or any other agency of the U.S. Government. AA FCC Subpart 15FPage 2 of 30 Project Number: 3036360Report number 3101D_report_2-03-03.doc EXECUTIVE SUMMARY...........................................................................................................................................................................................4 1.INTRODUCTION.................................................................................................................................................................................................5 1.1.CLIENT INFORMATION...........................................................................................................................................5 1.2.TEST PLAN REFERENCE.........................................................................................................................................5 1.3.EQUIPMENT UNDER TEST (EUT)..........................................................................................................................5 1.3.1System Support Equipment..........................................................................................................................5 1.3.2System Block Diagram.................................................................................................................................5 1.3.3Justification...................................................................................................................................................5 1.3.4Mode(s) of Operation...................................................................................................................................6 1.4.MODIFICATIONS REQUIRED FOR COMPLIANCE.....................................................................................................6 2.TEST ENVIRONMENT.....................................................................................................................................................................................7 2.1.TEST FACILITY.......................................................................................................................................................7 2.2.TEST EQUIPMENT...................................................................................................................................................7 2.3.SAMPLE CALCULATIONS.......................................................................................................................................7 2.3.1Field Strength Calculation...........................................................................................................................7 2.3.2EIRP Calculation..........................................................................................................................................8 2.3.3RMS calculation...........................................................................................................................................8 2.4.MEASUREMENT UNCERTAINTY.............................................................................................................................9 3.ULTRA WIDEBAND OPERATION...........................................................................................................................................................10 3.1.OPERATIONAL LIMITATIONS (SECTION 15.521)................................................................................................10 3.2.UWB BANDWIDTH (SECTION 15.503(A))..........................................................................................................10 3.2.1Requirement (low-frequency imaging systems)......................................................................................10 3.2.2Test Procedure...........................................................................................................................................10 3.2.3Test Results................................................................................................................................................10 3.3.CENTER FREQUENCY (SECTION 15.503(B)).......................................................................................................12 3.3.1Requirement...............................................................................................................................................12 3.3.2Test Procedure...........................................................................................................................................12 3.3.3Test Results................................................................................................................................................12 3.4.FRACTIONAL BANDWIDTH…

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Radiated emission setup <30MHz Radiated emission <1GHz Radiated emission >1GHz