Supported ENVISAT Products |

## Measurement Data Set 1

Fields of ENVISAT ASAR_Image_MDSR_BP Records

Index | Identifier | Field Type | Field Length | Description | Units
0 | `"zero_doppler_time"` | MJD | 1 | Zero Doppler Time (MJD format) | MJD
1 | `"quality_flag"` | UChar | 1 | Quality Indicator (-1 for blank MDSR, 0 otherwise) | flag
2 | `"line_num"` | ULong | 1 | Range line number. Numbered sequentially, for each product (or slice) first range line in MDS is 1 | -
3 | `"proc_data"` | UChar | sceneRasterWidth | SAR Processed Data for Browse Products (detected data) | -