COMM Kevron Geophysics Pty. Ltd. COMM --------------------------- COMM COMM GRIDDED DATA: COMM ------------- COMM Area : WTRMP Area B COMM Company Flown by: Kevron Geophysics Pty. Ltd. COMM Company Flown for: Tasmanian DIER COMM Company Processed: Kevron Geophysics Pty. Ltd. COMM COMM AIRBORNE SURVEY EQUIPMENT: COMM -------------------------- COMM Aircraft Cresco 750 VH-KPY COMM Magnetometer Tail Geometrics G822A Cesium Vapour COMM Magnetometer Resolution 0.001 nT COMM Magnetometer Compensation RMS AADCII operating in real time COMM Magnetometer Sample Interval 0.1 second COMM Data Acquisition Geo Instruments Model 2000 COMM Data Recording PCMIA Hard Drive COMM Spectrometer Geometrics GR-820 COMM Crystal Size 33.6lt downward array COMM Spectrometer Sample Interval 1.0 Second COMM Flight Path Record VHS Colour Video System COMM GPS Navigation System Novatel 3151R GPS Receiver COMM COMM AIRBORNE SURVEY SPECIFICATIONS: COMM ------------------------------- COMM Flight Line Direction : 090 - 270 degrees COMM Flight Line Separation : 200 metres COMM Tie Line Direction : 000 - 180 degrees COMM Tie Line Separation : 2000 metres COMM Terrain Clearance : 80 metres (MTC) COMM COMM Survey flown : Januray 2001 COMM Kevron Geophysics job number : 1585 COMM COMM COMM COMM Data are in UTM Grid Zone 55 COMM COMM COMM GPS navigation data differentially corrected real time COMM using Fugro Omnistar. COMM COMM Boundary Co-ords COMM COMM 311000,5527600 COMM 329000,5527600 COMM 329000,5504000 COMM 338000,5493000 COMM 353000,5493000 COMM 357000,5490000 COMM 360000,5480000 COMM 376000,5478000 COMM 378000,5472000 COMM 395000,5467000 COMM 395000,5464000 COMM 435000,5445000 COMM 445000,5445000 COMM 445000,5419000 COMM 420000,5419000 COMM 420000,5429000 COMM 388000,5429000 COMM 388000,5449000 COMM 361000,5449000 COMM 361000,5439000 COMM 334000,5439000 COMM 334000,5459000 COMM 298000,5459000 COMM 298000,5471000 COMM 302000,5471000 COMM 302000,5512000 COMM 311000,5527600 COMM COMM COMM MAGNETIC CORRECTIONS: COMM -------------------- COMM Diurnal variations removed. COMM IGRF (2000) updated to 2001.07 removed. COMM COMM ELEVATION DATA: COMM --------------- COMM Elevation was calculated by subtraction of the radar altimetre from the gps height. COMM Tie line and micro levelling has been performed. COMM AUSGEOID 98 nval geoid elipsoid separation values subtracted to achieve AHD. COMM COMM LOCATED DATA FOR MAGNETICS IN ASCII FORMAT - 0.1 second COMM --------------------------------------------------------------------- COMM COMM Logical Record Length: 261 bytes COMM Number fields: 25 COMM Name: field width format-C SUSstring COMM LineName [ 1] 12 %12.12s '-' COMM LineDate [ 2] 8 %8.8s '-' COMM fiducial [ 3] 11 %10.0f ' -9999999' COMM flight number [ 4] 5 %4.0f ' -999' COMM time hh dddd [ 5] 10 %9.5f ' -9999999.' COMM agd66 easting [ 6] 11 %10.2f ' -9999999.0' COMM agd66 northing [ 7] 11 %10.2f ' -9999999.0' COMM gda mga55 easting [ 8] 11 %10.2lf ' -9999999.0' COMM gda mga55 northing [ 9] 11 %10.2lf ' -9999999.0' COMM agd66 long [ 10] 13 %12.7lf ' -9999999.000' COMM agd66 lat [ 11] 13 %12.7lf ' -9999999.000' COMM wgs84 long [ 12] 13 %12.7lf ' -9999999.000' COMM wgs84 lat [ 13] 13 %12.7lf ' -9999999.000' COMM raw_mag [ 14] 11 %10.3f ' -9999999.0' COMM comp_mag [ 15] 11 %10.3f ' -9999999.0' COMM mag dnl igrf gammas [ 16] 11 %10.3f ' -9999999.0' COMM mag level [ 17] 11 %10.3f ' -9999999.0' COMM diurnal gammas [ 18] 11 %10.3f ' -9999999.0' COMM igrf gammas [ 19] 11 %10.3f ' -9999999.0' COMM 1vd [ 20] 12 %11.7f ' -9999999.00' COMM agc 1vd [ 21] 12 %11.7f ' -9999999.00' COMM rad alt [ 22] 7 %6.1f ' -99999' COMM baro alt [ 23] 7 %6.1f ' -99999' COMM wgs84 height [ 24] 7 %6.1f ' -99999' COMM elevation [ 25] 7 %6.1f ' -99999' COMM COMM COMM COMMDATA RANGE: COMM----------- COMM COMMTraverse Lines 10011 - 15981 COMMTie Lines 910011 - 910742 COMM(complete survey area) COMM