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iGage iG9 User Manual
Time Series for P113
You also want to look at the recent ‘Data Availability’:
Availability for P113
The position trends are very stable and are within 1 cm horizontal and vertical of the published
IGS08 positions. The average locations and all the error bars are fully contained in the green error
bands. Coupled with continuous recent Data Availability this station appears be a great CORS
resource.
However, if you look at a station’s Time Series and it looks
like this:
You will want to ALWAYS exclude the station from your solutions. If you catch this site on a bad day
(and it has a lot of them) you can expect significant elevation and horizontal errors.
Even worse sites abound in the NGS array: