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Resources > Technical Notes > Helicopter Electromagnetics

Title
Published
Are RESOLVE Electromagnetic Fields Dangerous to Bystanders?
2007
The DIGHEM Resistivity Algorithm
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Frequency Domain HEM Data Conversion To Equivalent Time Domain Data
2004
Advantages & Disadvantages of HEM
1999
Centroid Depth
2000
Coil Separation and Conductor Detection Limits
2003
Fugro Standard Conductor Interpretations
2001
Coplanar Coil Convention
2001
Coaxial vs. Coplanar Coil Configurations
2000
Designing DIGHEM/RESOLVE
2000
Difference Channels
2001
DIGHEM Resistivity Algorithm
2002
DIGHEM System Specifications
2002
DIGHEMV with Digital Signal Processing
2000
DSP Calibration
2001
Effects of Coil Separation
2001
Effects of Bird Height
2004
Effects of Sun Spots on HEM Surveys
2000
EM Effects on the MAG
1999
Gridding of Resistivity Data
1999
Hanning Filter
2001
HEM Apparent Conductivity and LIN Apparent Conductivity
2003
HEM Applicability
1999
HEM for Utilities
2002
Inversions
2000
Inversion - A Short Note
2001
Kimberlite Basics
2000
Magnetic Compensation
2003
Magnetic Susceptability / Permeability Effects and Corrections for DIGHEM (PDF 529 Kb)
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Mapping Magnetic Susceptibility with HEM
2003
Mapping Permafrost with HEM (PDF 549 Kb)
Multi-Parameter Apparent Resistivity Calculation
1999
Pipeline Gradiometry (PDF 1.06 Mb)
--
RESOLVE Calibrations
2001
Advantages of the DIGHEM Resistivity Bird
2001
RESOLVE HEM System Advantages
2000
Using Dual Configuration Coil Data for Conductor Interpretation (PDF 212 Kb)
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What's a 'DIGHEM'?
2001
What's a 'RESOLVE'?
2001
What is that Noise on a DIGHEM/RESOLVE?
2001
   

 

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