Download

IGS
The International GNSS Service (IGS) is a voluntary federation of
many worldwide agencies
IGS collects, archives, and distributes GPS observation data sets of
sufficient accuracy to satisfy the objectives of a wide range of
applications and experimentation.
IGS has a number of components:
an international network of over 500 continuously operating dual-
frequency GNSS stations
More than a dozen regional and operational data centers
three global data centers
seven analysis centers and a number of associate or regional analysis
centers
2/15/2012 18