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EM61MK2 Data Logging System (DAS70/61MK2)
Appendix B
Appendix B
Appendix B
Appendix B
Appendix B
B.1 Description of Data File in EM61MK2 Format
B.1 Description of Data File in EM61MK2 Format
B.1 Description of Data File in EM61MK2 Format
B.1 Description of Data File in EM61MK2 Format
B.1 Description of Data File in EM61MK2 Format
Each record contains 22 characters, including line feed at the end of each record.
Header of the file (contains six records starting with characters E, H, O, O, O, and O)
EM61MK2
-
identification of program file
V220
-
version number (V2.20)
Survey Type
-
GPS (if GPS Input Enabled) or GRD (grid)
UT
-
unit type (0 = meters, 1 = feet)
IT
-
instrument type
(0 = sensor 1x0.5m, 1 = 1x1m, 2 = 0.5x0.5m, 3 = HH61)
IM
-
instrument mode (0 = Auto, 1 = Wheel, and 2 = Manual)
File Name
-
file name, maximum 8 characters
Time Increment
-
time increment (Auto Mode) in seconds
Offset
-
offset for indicated channels in mV
IC
-
QC coil calibration (=N not performed, <>N otherwise)
QC coil value
-
value of QC coil calibration for indicated channels in mV
10
-
Line Feed character
Header at the start of survey line (contains four records starting with L, B, A, and Z)
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20 21
10
22
L
Line Name - 8 characters
A
10
B
Start Station (Format F11.2)
Dir
Increment (Format F11.2)
Z
D
Y
Y
Y
M
M
Y
H H
: M M
:
S
S
D
10
10
O
Offset for Ch1 (F9.2)
10
O
Offset for Ch3 (F9.2)
10
O
Offset for Ch2 (F9.2)
10
O
Offset for Ch4/T (F9.2)
10
Former Offset for Ch1 (F9.2)
Former Offset for Ch2 (F9.2)
Former Offset for Ch3 (F9.2)
Former Offset for Ch4/T (F9.2)
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20 21
M 6 1 M K
V 2 2
UT
0
IT IM
10
22
E
2
Survey Type
O
Offset for Ch1 (F9.2)
10
O
Offset for Ch3 (F9.2)
10
O
Offset for Ch2 (F9.2)
10
O
Offset for Ch4/T (F9.2)
10
H
File Name
Time Increment [s] (F7.3)
10
QC coil value Ch1 (F9.2)
QC coil value Ch2 (F9.2)
QC coil value Ch3 (F9.2)
QC coil value Ch4/T (F9.2)
IC
IC
IC
IC
Summary of Contents for EM61MK2A
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