Geophysical Survey Systems 42600 User Manual
Model 42600 Antenna
2.0 GHz Air-Launched
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 prepaid, 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
Please see the GSSI Manual CD or our website, www.geophysical.com/regulatoryinformation.htm, for
current information and FCC Registration Form, including:
•
FCC Notice for U.S. Customer
•
Canadian Requirements for RSS-220
Declaration of CE Conformance
Copyright © 2016 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.
40 Simon Street
Nashua, New Hampshire 03060-3075 USA
Printed in the United States
SIR, RADAN and UtilityScan are registered trademarks of Geophysical Survey Systems, Inc.
Geophysical Survey Systems, Inc. 2.0 GHz Antenna
Model 42600
2.0 GHz, Model 42600Antenna
The Model 42600 antenna represents the state of the art in high-frequency, air-launched GPR antennas for
near surface infrastructure assessment. It has excellent near surface resolution in a revolutionary small
form factor. The Model 42600 is an air-launched antenna and is designed to be used suspended over the
survey surface and not in contact with it. The Model 42600 can be used in distance (survey wheel) or time
(continuous) modes.
Smart Antenna
The Model 42600 is a 2.0 GHz “smart” antenna. This antenna has a special chip in it that will work with
the SIR-4000, SIR-30, and future control units (not the SIR-3000 or SIR-20). This chip will identify the
antenna to the SIR-system control unit so that the controller will be able to automatically load up the
correct default settings. The 42600 will not function with a SIR-3000, SIR-20 or any of GSSI’s previous
controllers, as these previous controllers are not compatible with digital antennas. By digital antenna, we
mean an antenna that digitizes the analog signal received before sending it to the controller. An analog
antenna will send the signal to be digitized on a controller.
System Setup - Standard Settings
Preset Settings:
Range/Depth is approximately 20 cm (8 inches) assuming a dielectric constant of 5.
Collect Mode: Distance (recommended) or Time
Scans per Second: 150 (recommended)
Samples per Scan: 512
Depth Range: 20 cm (8 inches)
Bits per Sample: 32
Specifications
Center frequency: 2.0 GHz
Pulse duration: 0.5 ns
Depth of penetration: 0-0.75 ft depending on dielectric permittivity
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