Technical Papers
This section lists various technical papers and notes of interest to the general geophysical community. If you have a presentation or paper which you believe fits the purpose of this page please email the details to us using the contact links on the left.
On-Time Measurement
Robust estimation of the in-phase response from impulse-response TEM measurements taken during the transmitter switch off and the transmitter off-time: Theory and an example from Voisey's Bay. Download PDF 
Geonics Technical Notes
A selection of GEONICS technical notes series are available through this link. All files are in .PDF format, and may be downloaded for off-line reference. This is an incremental process, and we have not yet converted all the published Tech Notes.
- TN-11: Use of Inphase EM31 Information - (PDF) ...

- TTN-19: EM34-3 Measurements At Two Inter-Coil Spacings - (PDF) ...

- TN-29: Optimal Detection of TDEM Anomalies Under Conductive Overburden - (PDF) ...

- TN-30: Why Doesn't GEONICS Limited Build A Multifrequency EM31 Or EM38? - (PDF) ...

DIRECT DETECTION OF WATER WITH PMR
Proton Magnetic Resonance or PMR (sometimes referred to Nuclear Magnetic Resonance) is a method which is able to detect groundwater directly. This paper provides an introduction to the PMR technique. Download PDF 
