Supported ENVISAT Products |

## Measurement Data Set 1

Fields of ENVISAT ASAR_Image_MDSR_SLC 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"` | SShort | 2*sceneRasterWidth | SAR Processed Data for SLC products. Alternates Real Part, Imaginary Part, Real Part Imaginary Part) | -