“TX/RX schedules” tab

The TX/RX schedules tab contains the sheets with the coordinates of the generated electrodes, with details on n-poles and measurements pseudo-plots.

Tab with sensor properties and pseudo-plots.

Fig. 29 Tab with sensor properties and pseudo-plots.

The tab consists of a topmost section with the toggle commands for selecting schedules to be displayed and a lower portion hosting the graphs.

Transceivers schedule

List with the properties of the transceivers.

Fig. 30 List with the properties of the transceivers.

The list of the transceivers contains information on the box electrodes:

  • Multisource box identifier.
  • Electrode number (1, 2 or 3).
  • X, Y and Z UTM coordinates in meters.
  • Geographic coordinates: longitude and latitude in degrees and decimals of degree.

TX multi-poles schedule

List with the properties of the TX multi-poles.

Fig. 31 List with the properties of the TX multi-poles.

The list of TX multi-poles contains information on the TX combinations:

  • Identifiers of the group of TX boxes.
  • TX+ (A) box electrode.
  • TX- (B) box electrode.

Dataset schedule

The list of measurements contains information on the total set of TX/RX combinations. Each row displays:

  • The TX boxes combinations.
  • The electrodes of each box working as TX+ (A) and TX- (B).
  • The RX box.
  • The electrodes of the RX box working as M and N.
  • The maximum depth of investigation of the n-pole (in meters).
  • The depth at which the maximum sensitivity of the n-pole is recorded (in meters).
  • The K geometric factor of the n-pole.
  • The expected Vmn signal (mV).
  • The value of the injected current at TX (mA) that produces the potential Vmn at the receiving dipole.
  • The apparent resistivity (Ohm m) for the measurement.
List with the properties of n-poles.

Fig. 32 List with the properties of n-poles.

The list of n-poles is the only one that has interactive features: selecting one table row allows to highlight the measurement in the pseudo-plot view: only the electrodes of the n-pole are colored (red for TX, green for RX) and the measurement is emphasized by a highlighter circle. Remaining electrodes and measurements are represented in transparency. In addition, if the Display sensitivity plot checkbox is checked, the sensitivity plot for that n-pole is shown. To remove the transparency of the quadrupoles from the graphs click on the command Refresh view of Fig. 33.

Refresh view command.

Fig. 33 Refresh view command.

The XY, YZ, XZ buttons allow to define the views on each of the three planes of the space.

Pseudo-plot

Example of pseudo-plot.

Fig. 34 Example of pseudo-plot.

The pseudo-plot sumarizes the salient features of n-poles in terms of coverage, depth of investigation and signal strength. The plot displays the position of the sensors. The n-poles (colored points) are defined on the basis of the graphic properties described below.

  • On the xy plane, then-pole is conventionally placed at the center of the RX dipole.
  • The n-pole is placed at the z depth corresponding to the maximum depth of investigation.
  • The color scale assigned to the measurements is the one defined by the range of absolute values ​​of the Vmn signal.

Sensitivity plot for the quadrupole

Example of sensitivity plot.

Fig. 35 Example of sensitivity plot.

This plot shows the behavior of the sensitivity of n-pole with depth. This is the function that is integrated for the calculation of the maximum depth of investigation.