741729.fig.002a
(a)
741729.fig.002b
(b)
741729.fig.002c
(c)
741729.fig.002d
(d)
Figure 2: AG and SG before and after removing Earth tide, ocean loading, pressure, and polar motion. The -axis is the time in hours since January 1, 1997. The top panels (a and b) are the AG while the bottom panels (c and d) are the SG.