Icelandic Meteorological Office
Dept. of Geophysics

Time series from HLID


Figure: The horizontal and vertical motion of HLID relative to REYK as a function of time, since the start of the measurements there. Each dot represents a 24 hour solution. The motion in east, north and up directions is defined to be positive, and is given in units of millimeters. The error bars indicate 1$\sigma $ confidence limits. The thick black lines show the best fit (weighted least squares) velocities calculated for each component of motion, after outliers have been removed. The antenna radome was installed on day 235 (shown with dotted vertical black lines). The antenna was covered with snow several times after day 341 (solid vertical line). The data after that date are not used in the velocity estimation. Note that the scale on the vertical plot is different from other similar figures.