Minimize Cycle 29-38


Ers2 Wind Scatterometer L2 - Cycles 29-38

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 29 (19 Jan 1998 - 23 Feb 1998)

 

Absolute Orbit Start Absolute Orbit Stop Number of Missing Orbits
14817 14818 2
14833 14841 9
14844 14844 1
14846 14846 1
14859 14859 1
Total Missing Orbits (exp./unexpected) 14(0/14)
Total Missing Orbits Excluding known missing orbits (%) 2.79

 

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Cycle 30 (23 Feb 1998 - 30 Mar 1998)

 

Absolute Orbit Start Absolute Orbit Stop Number of Missing Orbits
15086 15088 3
15157 15158 2
15179 15179 1
15216 15217 2
15230 15232 3
15245 15246 2
15259 15260 2
15273 15275 3
15288 15289 2
15302 15303 2
15316 15318 3
15329 15332 4
15345 15346 2
15359 15361 3
Total Missing Orbits (exp./unexpected) 34(1/33)
Total Missing Orbits Excluding known missing orbits (%) 6.60

 

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Cycle 31 (30 Mar 1998 - 04 May 1998)

 

Absolute Orbit Start Absolute Orbit Stop Number of Missing Orbits
15407 15407 1
15732 15732 1
15802 15802 1
Total Missing Orbits (exp./unexpected) 3(0/3)
Total Missing Orbits Excluding known missing orbits (%) 0.60

 

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Cycle 32 (04 May 1998 - 08 Jun 1998)

 

Absolute Orbit Start Absolute Orbit Stop Number of Missing Orbits
15892 15900 9
15932 15933 2
15945 15946 2
16093 16100 8
16102 16102 1
16133 16133 1
16136 16143 8
16221 16229 9
16232 16233 2
16250 16258 9
16312 16352 41
16353 16358 6
16364 16372 9
Total Missing Orbits (exp./unexpected) 107(41/66)
Total Missing Orbits Excluding known missing orbits (%) 14.35

 

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Cycle 33 (08 Jun 1998 - 13 Jul 1998)

 

Absolute Orbit Start Absolute Orbit Stop Number of Missing Orbits
16388 16392 5
16520 16520 1
16582 16587 6
16594 16601 8
16679 16687 9
Total Missing Orbits (exp./unexpected) 29(5/24)
Total Missing Orbits Excluding known missing orbits (%) 4.84

 

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Cycle 34 (13 Jul 1998 - 17 Aug 1998)

 

Absolute Orbit Start Absolute Orbit Stop Number of Missing Orbits
17034 17034 1
17091 17092 2
17180 17188 9
17195 17202 8
16679 16687 9
17265 17267 3
17335 17335 1
Total Missing Orbits (exp./unexpected) 24(3/21)
Total Missing Orbits Excluding known missing orbits (%) 4.22

 

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Cycle 35 (17 Aug 1998 - 21 Sep 1998)

 

Absolute Orbit Start Absolute Orbit Stop Number of Missing Orbits
17405 17406 2
17525 17525 1
17728 17728 1
17753 17761 8
17805 17805 1
17808 17810 3
Total Missing Orbits (exp./unexpected) 16(4/12)
Total Missing Orbits Excluding known missing orbits (%) 2.70

 

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Cycle 36 (21 Sep 1998 - 26 Oct 1998)

 

Absolute Orbit Start Absolute Orbit Stop Number of Missing Orbits
17939 17947 9
17956 17956 1
17962 17962 1
18006 18008 3
18057 18057 1
18121 18125 5
18216 18219 4
18222 18222 1
18236 18236 1
18285 18285 1
18322 18322 1
18344 18344 1
Total Missing Orbits (exp./unexpected) 29(2/27)
Total Missing Orbits Excluding known missing orbits (%) 5.41

 

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Cycle 37 (26 Oct 1998 - 30 Nov 1998)

 

Absolute Orbit Start Absolute Orbit Stop Number of Missing Orbits
18469 18469 1
18525 18525 1
18597 18597 1
18611 18611 1
18625 18625 1
18630 18630 1
18702 18714 13
18718 18718 1
18740 18740 1
18749 18749 1
18869 18870 2
Total Missing Orbits (exp./unexpected) 24(11/13)
Total Missing Orbits Excluding known missing orbits (%) 2.65

 

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Cycle 38 (30 Nov 1998 - 04 Jan 1999)

 

Absolute Orbit Start Absolute Orbit Stop Number of Missing Orbits
18915 18915 1
18978 18978 1
19024 19024 1
19208 19214 7
19357 19364 8
Total Missing Orbits (exp./unexpected) 18(9/9)
Total Missing Orbits Excluding known missing orbits (%) 1.83

 

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