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iG5 User Manual
Even worse sites abound in the NGS array:
These stations and all the others like them are unsuitable for
any processing use. It is your responsibility to exclude them
from your solutions.
#8 GPS Suitable Locations
The NGS recommends that you submit GPS occupations
collected in GPS suitable locations. However, very little NGS
guidance is provided for what is ‘GPS suitable’ in the context
of OPUS su
bmissions. Let’s compare good and bad locations.
Best Case Scenario
The best possible site would have a totally clear view of the
sky above 10° at all azimuths where there is a possibility of a
GPS satellite being in the sky: