User's Manual

Geophysical Survey Systems, Inc. Model 3101A Series Antennas
System Settings and User Notes
Model 3101A Antenna
Thank you for purchasing a GSSI 3101A. The Model 3101A antenna is a high frequency antenna
that is designed for applications requiring very fine resolution and shallow depth penetration in a
variety of materials. Please take a moment to examine your shipment to familiarize yourself with
this manual. If you need assistance, GSSI technical support can be reached Monday-Friday, 8am-
5pm, US Eastern Time at (800) 524-3011, or at (603) 893-1109 (International). You can also
access technical support on the web at www.geophysical.com.
The Model 3101A can be used in continuous, survey wheel or static stacking modes. Please
consult your control unit documentation for instructions on configuring your system for data
collection modes.
System Setup - Standard Settings
Preset Settings:
System Run Mode: Survey Wheel (recommended) or Continuous
Range: 15 ns
Number of Gain Points: 3
Vertical Low Pass Filter: 2500 MHz
Vertical High Pass Filter: 225 MHz
Samples per Scan: 512
Bits per Sample: 16
Scans per Second: Set to 64 (increase to 120 when using survey wheel).
Deeper Profiling:
Setup Mode: Manual
System Run Mode: Survey Wheel (recommended) or Continuous
Range: 30 – 50 ns
Number of Gain Points: 3
Vertical Low Pass Filter: 2500 MHz
Vertical High Pass Filter: 225 MHz
Samples per Scan: 512
Bits per Sample: 16
Scans per Second: to 64 (increase to 120 when using survey wheel).
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