How much time will a 2D Dipole-Dipole survey take with 56 and 28 electrodes?

More channels increases the speed of a 2D dipole-dipole survey with 56 electrodes. At least 4 channels is recommended for 2D. 3D command files require the R8. Other arrays like 84 or 112 electrodes or more will show similar trending speed increases.

56 Electrode dipole-dipole speed with various numbers of channels

SuperSting Model
(channels) Hr:Min
R1 1:59
R2 1:07
R4 0:39
R6 0:33
R8 0:26

28 Electrode dipole-dipole speed with various numbers of channels

SuperSting Model
(channels) Hr:Min
R1 0:37
R2 0:20
R4 0:11
R6 0:10
R8 0:07