The FLARE Network Vicarious Cal/Val for Earth Observation ...
GFO Cal/Val Meeting Silver Spring, Md 12 June 2001
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Transcript of GFO Cal/Val Meeting Silver Spring, Md 12 June 2001
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GFO Cal/Val MeetingSilver Spring, Md12 June 2001
J. McMillanSoftware Process Engineering Consulting Services
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Fee Determination AssessmentsFee determinationCrossover residual RMSRA noise estimateData coverage estimateData analysis and quality assuranceTiming and sizing anomaliesCrossover residual analysisOrbit quick-look assessmentRA noise trend analysis (v. SWH)
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Fee DeterminationCrossover Residual RMSMethodology fixed by contractNOAA crossover location templateData editing criteriaLatitude outside 55UT 1/12 land maskTiming anomaliesWFF Quality Word criteriaSSHustd 15 cm
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Fee DeterminationCrossover Residual RMS (cont.)
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Fee DeterminationRA Noise EstimateMethodology fixed by contract (R. Sailor spectral analysis technique)Data editing criteria - same as crossover residual RMS plusAGC blooms (o 16 db)Non-colinear passesColinear passesw/o sufficient geoid signalw/o duration 2 min (no interpolation)w/ average SWH 2.0 m (both passes)
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Fee DeterminationRA Noise Estimate (cont.) Cycles 00/01
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Fee DeterminationRA Noise Estimate (cont.)
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Fee DeterminationData Coverage EstimateMethodology: comparison with NOAA crossover locationsMissing crossovers broken down byMissing data (gap in NGDR)RA not in fine trackOther WFF Quality Word editing criteria
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Fee DeterminationData Coverage (cont.)
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Data Analysis and QATiming and Sizing AnomaliesTiming anomalies - 2 types discoveredt 0.98 sec.Self-correctingNot yet fixedOccurs over water as well as landNumerous occurrences in Cycle 03After Cycle 03, occurs 1 to 3 times per CycleNegative tFixed by Ball after Cycle 05Size anomalies - compare gfoM & gfoo
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Data Analysis and QACrossover Residual Analysis
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Data Analysis and QAOrbit Quick-Look AssessmentCrossover residual daily histogram3-Day crossover residual analysisSSHc - MSS
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Data Analysis and QARA Noise Trend Analysis (v. SWH)