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UTIG aerogeophyscial platform

UTIG Aerogeophysical Platform

Externally mounted instrumentation includes magnetometer (shown retracted), radar antennas, GPS antennas and sensitive pressure altimeter port. The laser transmits and receives through an access hole in the floor and the gyro-stabilized gravimeter is mounted at the aircraft center of gravity.

Ice Penetrating Radar:
Chirped 52.5 - 67.5 Mhz Ice-Penetrating Radar
8 kW Peak Power
1 microsecond pulse duration
6408 pulses per second
coherent recording
Magnetometer:
Cesium vapor Magnetometer
Towed 30 Below Aircraft
Track-line Sampling Distance » 10 m
Better than 0.1 nT Precision
Gravimeter:
Lacoste & Romberg Air-Sea II
Gyro-stabilized Accelerometer
Gravity ties accomplished with portable land meter (also Lacoste & Romberg)

 
Navigational Systems:
GPS for Real-time Pseudo-range Positioning
Carrier-phase Differential GPS post positioning
Laser-gyro Inertial Navigation System
Precision Pressure Altimeter
Combined System Resolution of » 0.1 m 
Laser Altimeter:
Riegl diode-pumped laser
Operating Limit in Excess of 1500 m
Single Pulse Accuracy » 0.1 m
Track-line Sampling Distance » 9 m
Surface Elevations Repeatable to Within 0.25 m
Other Systems:
Canon 20D digital SLR camera, nadir pointing
Litton 92 Inertial Navigation System
Precision pressure altimeter
Outside air temperature
 

BAS Aerogeophysical Platform with wing tip magnetometers
The BAS Twin Otter aerogeophyscal platform, shown above with wing tip magnetometers, is similarly equipped as the instrumentation of the UTIG platform.

Proposed Survey Objectives :: Experiment Plan :: Results
Field Operations ::
Instrumentation :: Airborne Geophysics at UTIG