T1Y - Local station coordinate of current injection point
T2Y - Local station coordinate of stationary injection point
R1Y - Local station coordinate of potential measurement point
R2Y - Local station coordinate of potential measurement point
T1_UTME - NAD27 UTM Zone 8 Easting of T1X
T1_UTMN - NAD27 UTM Zone 8 Northing of T1X
T2_UTME - NAD27 UTM Zone 8 Easting of T2X
T2_UTMN - NAD27 UTM Zone 8 Northing of T2X
R1_UTME - NAD27 UTM Zone 8 Easting of R1X
R1_UTMN - NAD27 UTM Zone 8 Northing of R1X
R2_UTME - NAD27 UTM Zone 8 Easting of R2X
R2_UTMN - NAD27 UTM Zone 8 Northing of R2X
Line - Line number
Stn - Station of plot point
UTME_NAD83_z8 - NAD83 UTM Zone 8 Easting of Stn
UTMN_NAD83_z8 - NAD83 UTM Zone 8 Northing of Stn
Vp - Primarily voltage corrected for sign errors (mV)
I -Current (A)
I_mA - Current (mA)
VpoverI - Channel Vp divided by Channel I_mA (V/A)
N - Dipole separation
Stack - Number of stacks
Rs_Check - Contact resistance of potential electrodes (kOhm)
Sp - Self potential (mV)
IP[0] - Normalized Voltage measurement in the 40-80 ms offtime window (mV/V) 
IP[1] - Normalized Voltage measurement in the 80-120 ms offtime window (mV/V) 
IP[2] - Normalized Voltage measurement in the 120-160 ms offtime window (mV/V) 
IP[3] - Normalized Voltage measurement in the 160-200 ms offtime window (mV/V) 
IP[4] - Normalized Voltage measurement in the 200-240 ms offtime window (mV/V) 
IP[5] - Normalized Voltage measurement in the 240-280 ms offtime window (mV/V) 
IP[6] - Normalized Voltage measurement in the 280-360 ms offtime window (mV/V) 
IP[7] - Normalized Voltage measurement in the 360-440 ms offtime window (mV/V) 
IP[8] - Normalized Voltage measurement in the 440-520 ms offtime window (mV/V) 
IP[9] - Normalized Voltage measurement in the 520-600 ms offtime window (mV/V) 
IP[10] - Normalized Voltage measurement in the 600-680 ms offtime window (mV/V) 
IP[11] - Normalized Voltage measurement in the 680-760 ms offtime window (mV/V) 
IP[12] - Normalized Voltage measurement in the 760-840 ms offtime window (mV/V) 
IP[13] - Normalized Voltage measurement in the 840-1000 ms offtime window (mV/V) 
IP[14] - Normalized Voltage measurement in the 1000-1160 ms offtime window (mV/V) 
IP[15] - Normalized Voltage measurement in the 1160-1320 ms offtime window (mV/V) 
IP[16] - Normalized Voltage measurement in the 1320-1480 ms offtime window (mV/V) 
IP[17] - Normalized Voltage measurement in the 1480-1640 ms offtime window (mV/V) 
IP[18] - Normalized Voltage measurement in the 1640-1800 ms offtime window (mV/V) 
IP[19] - Normalized Voltage measurement in the 1800-1960 ms offtime window (mV/V) 
Topo - Elevation of plot point (metres above sea level)
X - X coordinate of plot point 
Y - Y coordinate of plot point
Z - Z coordinate of plot point
Calcappres - Recalculated apparent resistivity (Ohm-m)

VpoverI_Final - Averaged VpoverI channel (V/A)
Res_final - Averaged apparent resistivity (Ohm-m)
IP_error_Final - Averaged standard deviations of the apparent chargeability (mV/V)
IP_avg_final - Averaged measured chargeability (mV/V)