Prince Charles Mountains Expedition of Germany-Australia (PCMEGA)

Brief description

These data are gravity and magnetometer data collected as part of the PCMEGA (Prince Charles Mountains Expedition of Germany and Australia) expedition of 2002/2003. An excerpt from the readme file associated with the data are provided below. For the full information, see the download file. ************************************************************************ * PCMEGA Airborne Magnetics and Gravity Survey * * Prince Charles Mountains, Australian Territory, Antarctica * ************************************************************************ ------------------------------------------------------------------------ SURVEY SPECIFICATIONS ------------------------------------------------------------------------ Survey company Fugro Airborne Surveys / Fugro-LCT FAS job number 1550 LCT job number 5203 Survey dates December 2002 - January 2003 Base of operations Mount Cresswell, Antarctica Traverse spacing 5000 metres Traverse direction 000-180 degrees Tie spacing 25000 metres Tie direction 090-270 degrees Line kilometres flown 29,844 Survey altitude constant GPS height Mean GPS Height Area X2138 metres Area Y2745 metres Area Z3347 metres Survey boundary Datum WGS84 1. 67.799202E 77.581104S 2. 61.088149E 77.189071S 3. 62.633286E 75.420516S 4. 60.171411E 75.219142S 5. 61.877412E 73.837674S 6. 66.818626E 74.203749S 7. 67.469672E 73.373793S 8. 70.743586E 73.546207S 9. 67.799202E 77.581104S ------------------------------------------------------------------------ GEODETIC INFORMATION ------------------------------------------------------------------------ Datum WGS84 Projection Lambert Conic Conformal Central meridian 80E Latitude origin 75S False easting 928916 False northing 554262 Standard parallel 1 72.66667S Standard parallel 2 75.33333S ------------------------------------------------------------------------ AIRCRAFT ------------------------------------------------------------------------ Aircraft type DHC-6-300 Twin Otter Aircraft registration C-GCKB Aircraft supplier Kenn Borek Air Canada Average velocity 67 metres/second ------------------------------------------------------------------------ MAGNETICS SYSTEM ------------------------------------------------------------------------ Magnetometer Scintrex Model CS-2 Caesium Vapour Installation bird towed on 53 metre cable Resolution 0.001 nanotesla Cycle rate 0.1 second Sample interval 6.7 metres Base station 2 x Scintrex Envi Mags Cycle rate5 seconds ------------------------------------------------------------------------ GRAVITY SYSTEM ------------------------------------------------------------------------ Gravity system LaCoste and Romberg 'S' Meter ZLS UltraSys Airborne upgraded Resolution 0.1 mGal Cycle rate 1 second Sample interval 67 metres ------------------------------------------------------------------------ ALTITUDE SYSTEM ------------------------------------------------------------------------ Radar altimeter Collins ALT 50 Radar Altimeter Range approximately 750 metres Cycle rate 0.1 second Laser altimeter Optech ADM Laser Altimeter Range approximately 600 metres Cycle rate 0.1 second Barometric altimeter Paroscientific 215A-101 ------------------------------------------------------------------------ POSITIONING SYSTEM ------------------------------------------------------------------------ Aircraft GPS Trimble 4700 Navigation system Picodas PNAV-2100 Navigation real-time differential GPS Base GPS Novatel GPScard 951R Flightpath recovery post-processed differentially corrected GPS ========================================================================