Attention:
Operation of the Ultra-Wideband Snow Radar requires experienced personnel on board the aircraft.
Summary
The EM-Bird is a digital frequency-domain electromagnetic-induction (EM) system, dedicated for measurements of sea ice thickness.
| Manufacturer | Ferra Dynamics Inc. |
|---|---|
| Model | |
| Serial No. | n/a |
| Type | radar system |
Contacts
| Name | Institution | Role |
|---|---|---|
| Stefan Hendricks | Alfred-Wegener-Institute | Data Scientist |
| Jan Rohde | AWI | Editor |
| Jan Rohde | AWI | Device Contact |
Components and Specifications
The EM-Bird system comprises the EM-Bird itself, which is lowered to the ice during flight. For deployment a winch is installed inside the aircraft. Power supply unit and operator PC are located on the winch.
Specifications of the EM-Bird(without mounting)
Dimension Sensor (max. diameter x L) |
360 x 3600 mm |
|---|---|
Dimension Tail Unit (L x W x H) |
1060 x 1060 x 590 mm |
Weight |
~100 kg |
Power Supply |
28 VDC and 220 VAC |
Data interface |
serial, ethernet |
Position
| Origin Description: | The device is installed in a rack. It is connected with tubes to an air inlet installed at the cabin roof. |
Data logging, storage and archiving
Logged parameter
| Parameter | Sensor Output Type | Unit |
|---|---|---|
| sea ice thickness | sea ice thickness | m |
Rawdata storage on board
During flight the EM Bird data are stored on an external PC.
Data archiving on land
After the flight EM Bird data are downloaded from the PC and are made accessible via the external devices file system of the land Data Managment System (DMS).