Attention:
Operation of the GT-2A requires experienced staff on board the aircraft.
Summary
The mobile airborne gravimeter system combines data from a vertical gravity sensor and global positioning systems (GPS) to isolate gravity anomalies related to sub-surface geology and structure. The GPS component is handled by a JAVAD DeltaQ GPS Receiver. Power is supplied via an UPS and the system is operated via 2 touch panel PCs.
aircraft:bt-67:gt2a_sn028 (6810)
| Manufacturer | Canadian Micro Gravity (CMG) |
|---|---|
| Model | GT-2A |
| Serial No. | SN028 |
| Type | gravimeter |
Contacts
| Name | Institution | Role |
|---|---|---|
| Graeme Eagles | Alfred-Wegener Institute of Polar and Marine Research | Device Contact |
Associated Devices and Specifications
| Name | Model | Serial Number |
SENSOR- Link |
|---|---|---|---|
| JAVAD DeltaQ GPS Receiver | DeltaQ | n/a | ↪ |
Specifications of GT-2A (without mounting)
Dimension (L x W x H) |
400 x 400 x 600 mm |
|---|---|
Weight |
153.5 kg |
Power Supply |
27 VDC |
Specifications of JAVAD DeltaQ (without mounting)
Dimension (L x W x H) |
109 x 35 x 160 mm |
|---|---|
Weight |
0.6 kg |
Power Supply |
6 - 35 VDC |
Data interface |
serial |
Position
| Info | The gravitymeter is fastened to the cabin floor close to the center of gravity of the aircraft. Electronics and data aquisition are installed in a rack. |
Data logging, storage and archiving
Logged parameter
| Parameter | Sensor Output Type | Unit |
|---|---|---|
| gravity | gravity | mGal |
Rawdata storage on board
During flight GT-2A data are stored on the touch panel PCs.
Data archiving on land
After the flight GT-2A data are downloaded from the PC and are made accessible via the external devices file system of the land Data Managment System (DMS).
Documentation
Also see https://sensor.awi.de/ for calibration certificates of the sensors.