Ers2 Wind Scatterometer L2 - Cycles 71-80
The following table gives the number of orbits available per cycle and the number of explained and unexplained missing orbits. Explained missing orbits cannot be recovered because is effectively data lost due to platform/instrument anomalies, and acquisition errors. Unexplained missing orbits might be recovered during next reprocessing campaign and are mainly due to corruption occurred during the transcription processes of the raw telemetry data from tape units to hard disks.
Unexplained Missing orbits | |
Missing orbits(due to Instrument/Platform Unavailability,Ground Segment Station Unavailability, Orbit Control Manouvre, and Unplanned Orbits) |
Cycle 71 (28 Jan 2002 - 04 Mar 2002)
Absolute Orbit Start | Absolute Orbit Stop | Number of Missing Orbits |
37494 | 37495 | 2 |
Total Missing Orbits (exp./unexpected) | 2(2/0) | |
Total Missing Orbits Excluding known missing orbits (%) | 0 |
Cycle 76 (22 Jul 2002 - 26 Aug 2002)
Absolute Orbit Start | Absolute Orbit Stop | Number of Missing Orbits |
37954 | 37954 | 1 |
37961 | 37962 | 2 |
38051 | 38052 | 2 |
38151 | 38155 | 5 |
38158 | 38159 | 2 |
38294 | 38302 | 9 |
Total Missing Orbits (exp./unexpected) | 21(3/18) | |
Total Missing Orbits Excluding known missing orbits (%) | 3.61 |
Cycle 77 (26 Aug 2002 - 30 Sep 2002)
Absolute Orbit Start | Absolute Orbit Stop | Number of Missing Orbits |
38432 | 38432 | 1 |
38654 | 38656 | 3 |
Total Missing Orbits (exp./unexpected) | 4(3/1) | |
Total Missing Orbits Excluding known missing orbits (%) | 0.20 |
Cycle 78 (30 Sep 2002 - 04 Nov 2002)
Absolute Orbit Start | Absolute Orbit Stop | Number of Missing Orbits |
38987 | 38999 | 13 |
39000 | 39000 | 1 |
39001 | 39022 | 22 |
39156 | 38156 | 1 |
Total Missing Orbits (exp./unexpected) | 37(1/36) | |
Total Missing Orbits Excluding known missing orbits (%) | 7.20 |
Cycle 79 (04 Nov 2002 - 09 Dec 2002)
Absolute Orbit Start | Absolute Orbit Stop | Number of Missing Orbits |
39633 | 39646 | 14 |
39723 | 39724 | 2 |
Total Missing Orbits (exp./unexpected) | 16(16/0) | |
Total Missing Orbits Excluding known missing orbits (%) | 0 |
Cycle 80 (09 Dec 2002 - 13 Jan 2003)
Absolute Orbit Start | Absolute Orbit Stop | Number of Missing Orbits |
39935 | 39939 | 5 |
39940 | 39947 | 8 |
40082 | 40082 | 1 |
40085 | 40086 | 2 |
Total Missing Orbits (exp./unexpected) | 16(5/11) | |
Total Missing Orbits Excluding known missing orbits (%) | 2.22 |