| Description: The value (Right or Left) indicates the side of the spacecraft groundtrack to which the antenna is pointed for data acquired within a synthetic aperture radar (SAR) image. Most SAR instruments acquire an image on only one side of the ground track at one time. This value also indicates from which side the SAR image is illuminated. If the spacecraft images to the left of its ground track (LOOK_DIRECTION = LEFT), the image will be illuminated from the (viewer's) left side, and, conversely, if the spacecraft looks to the right, the illumination will come from the right in the image file. The direction of illumination is critical to interpretation of features in the image. Mosaicked products may contain various combinations of source imagery. For example, they may combine only left-looking observations (LOOK_DIRECTION = 'LEFT'), only right-looking observations (LOOK_DIRECTION = 'RIGHT'), or a mixture of the two (LOOK_DIRECTION = {'LEFT','RIGHT'}). |
| Namespace Id: chan1 | Steward: geo | Class Name: Mini-RF_Parameters | Type: ASCII_Short_String_Collapsed |
| Minimum Value: None | Maximum Value: None | Minimum Characters: 1 | Maximum Characters: 255 |
| Unit of Measure Type: None | Default Unit Id: None | Attribute Concept: None | Conceptual Domain: SHORT_STRING |
| Status: Active | Nillable: false | Pattern: None |
| Permissible Value(s) | Value | Value Meaning |
| | Left | The spacecraft looks to the right, and the illumination was from the right in the image file. |
| | Right | The spacecraft looks to the right, and the illumination was from the right in the image file. |