PBO_get_offsets         Extract offsets for a PBO station
PBO_get_station         Load station data from PBO
cola                    GNSS time series for PBO station COLA
compare_fits            Compare graphically two 'gnsstsmodel' objects.
create.gnssts           Create a gnssts object
create_A_matrix         Define matrix A of the functional model
estimate_gmwmx          Estimate a stochastic model in a two-steps
                        procedure using the GMWMX estimator.
estimate_hector         Estimate a stochastic model based on the MLE
                        and the Hector implementation.
plot.gnsstsmodel        Plotting method for a 'gnsstsmodel' object.
print.gnsstsmodel       Print method for a 'gnsstsmodel' object.
read.gnssts             Read a gnssts object
remove_outliers_hector
                        Remove outliers from a gnssts object using
                        Hector
write.gnssts            Write a gnssts object
