Table 1 A typical setup for the parameter estimation for an INT session

Station clock

Reference

Estimate three terms

(quadratic, linear, offset)

Station position

Fix to ITRF2008

Fix to ITRF2008

Zenith Hydrostatic Delay

Fix

Fix

Zenith Wet Delay

Estimate one offset

Estimate one offset

Radio sources

Fix to ICRF2

UT1-UTC

Estimate one offset

Polar motion

Fix to a priori

Nutation/precession

Fix to a priori