Supported ENVISAT Products |

## Summary Quality ADS

Fields of ENVISAT ATS_NR__2P_ADSR_sq Records

Index | Identifier | Field Type | Field Length | Description | Units
0 | `"dsr_time"` | MJD | 1 | Nadir UTC time in MJD format | MJD
1 | `"attach_flag"` | UChar | 1 | Attachment flag(set to 1 if all MDSRs corresponding to this ADSR are blank, set to 0 otherwise) | flag
2 | `"spare_1"` | Spare | 1 | Spare | -
3 | `"scan_num"` | UShort | 1 | image scan number | -
4 | `"pv_nad_null_pac"` | SShort | 1 | Packet Validation during nadir view number of scans null packet | -
5 | `"pv_nad_fail_val"` | SShort | 1 | Packet Validation during nadir view number of scans failing basic validation | -
6 | `"pv_nad_fail_crc_chk"` | SShort | 1 | Packet Validation during nadir view number of scans failing CRC check | -
7 | `"pv_nad_show_buf_full"` | SShort | 1 | Packet Validation during nadir view number of scans showing buffers full | -
8 | `"pv_nad_scan_jitt"` | SShort | 1 | Packet Validation during nadir view number of scans showing scan jitter | -
9 | `"per_cloud_pix"` | SShort | 1 | percentage of cloudy pixels | 0.01 %
10 | `"per_ndvi_inv"` | SShort | 1 | percentage of NDVI invalid | 0.01 %
11 | `"per_sst_for_inv"` | SShort | 1 | percentage of SST (nadir view) invalid | 0.01 %
12 | `"per_sst_dual_inv"` | SShort | 1 | percentage of SST (dual view) invalid | 0.01 %
13 | `"pv_nad_scan_error"` | SShort | 1 | Packet Validation during nadir view number of scans - all other errors | -
14 | `"pv_for_null_pac"` | SShort | 1 | Packet Validation during forward view number of scans null packet | -
15 | `"pv_for_fail_val"` | SShort | 1 | Packet Validation during forward view number of scans failing basic validation | -
16 | `"pv_for_fail_crc_chk"` | SShort | 1 | Packet Validation during forward view number of scans failing CRC check | -
17 | `"pv_for_show_buf_full"` | SShort | 1 | Packet Validation during forward view number of scans showing buffers full | -
18 | `"pv_for_scan_jitt"` | SShort | 1 | Packet Validation during forward view number of scans showing scan jitter | -
19 | `"resv_char_5"` | SShort | 1 | reserved for future use | -
20 | `"resv_char_6"` | SShort | 1 | reserved for future use | -
21 | `"resv_char_7"` | SShort | 1 | reserved for future use | -
22 | `"resv_char_8"` | SShort | 1 | reserved for future use | -
23 | `"pv_for_scan_error"` | SShort | 1 | Packet Validation during forward view number of scans - all other errors | -
24 | `"spare_2"` | Spare | 1 | Spare | -