Zonge GDP-32 - 13. Natural Source Magnetotellurics

May 2002
13. NATURAL SOURCE MAGNETOTELLURICS
13.1 INTRODUCTION .................................................................... 2
13.2 FIXED FUNCTION KEYS ..................................................... 3
13.3 MT/AMT PROGRAM OPERATION....................................4
13.4 GATHERING DATA ............................................................. 13
13.5 A NOTE ON VARIABLE A-SPACING ..............................17
13.6 A NOTE ON PHASE.............................................................. 17
13.7 A NOTE ON SCALING......................................................... 17
13.8 RESTRICTIONS.................................................................... 18
AN EXAMPLE OF FIELD DATA ........................................................................ 18
AN EXAMPLE OF FIELD DATA ........................................................................ 19
A
N EXAMPLE OF SCALAR FIELD DATA............................................................. 20
AN EXAMPLE OF SCALAR DATA WITH A REMOTE REFERENCE ......................... 20
A
N EXAMPLE OF TENSOR DATA ...................................................................... 21
AN EXAMPLE OF TENSOR DATA WITH HZ ....................................................... 21
A
N EXAMPLE OF FULL TENSOR DATA WITH REMOTE REFERENCE .................. 22
13.9 NOTES ON FIELD CONFIGURATIONS ..........................23
13.10 CASCADE DECIMATION OVERVIEW ........................... 24
13.11 DATA DUMP UTILITY ........................................................ 26
13.12 TIME SERIES FILE FORMAT ........................................... 26
13.13 TIME SCHEDULE................................................................. 28
13.14 FIELD CONFIGURATIONS................................................33
SINGLE STATION MT....................................................................................... 33
L
OCAL REMOTE REFERENCE MT .................................................................... 34
LOCAL REMOTE REFERENCE MT .................................................................... 35
MT M
EASUREMENT CLUSTERS ....................................................................... 36
13.15 METHOD TO FIELD-CHECK MAGNETIC SENSORS. 37