Honeywell Analysis WG (May 22-23, 2000)1 ILRS Station Coordinate Comparison (SINEX Format & Data Integrity) Van Husson.

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Presentation transcript:

Honeywell Analysis WG (May 22-23, 2000)1 ILRS Station Coordinate Comparison (SINEX Format & Data Integrity) Van Husson

Honeywell Analysis WG (May 22-23, 2000)2 Analysis Centers

Honeywell Analysis WG (May 22-23, 2000)3 Analysis Center Report Card ( SINEX Format and Data Integrity) Legend Missing block Has at least one data format/integrity issue OK # Indicates number of data integrity issues ? Potential data integrity issue

Honeywell Analysis WG (May 22-23, 2000)4 HEADER LINE Data Integrity

Honeywell Analysis WG (May 22-23, 2000)5 FILE/REFERENCE Data Integrity

Honeywell Analysis WG (May 22-23, 2000)6 SITE/ID Data Integrity

Honeywell Analysis WG (May 22-23, 2000)7 SITE/ECCENTRICITY Data Integrity (eccentricities in north, east, up)

Honeywell Analysis WG (May 22-23, 2000)8 SITE/ECCENTRICITY Data Integrity (eccentricities in XYZ)

Honeywell Analysis WG (May 22-23, 2000)9 SOLUTION EPOCH Data Integrity

Honeywell Analysis WG (May 22-23, 2000)10 SOLUTION STATISTICS Data Integrity

Honeywell Analysis WG (May 22-23, 2000)11 SOLUTION ESTIMATE Data Integrity

Honeywell Analysis WG (May 22-23, 2000)12 SOLUTION APRIORI Data Integrity

Honeywell Analysis WG (May 22-23, 2000)13 Final Remarks Improvements are needed in the management of system eccentricities. There is evidence of computer round-off, truncation, or computational errors from North, East, Up eccentricities to XYZ. Still confusion with the Zimmerwald and San Fernando system reference point. Should the constraint codes be standardized? The epoch references in the different SINEX blocks need some work.