Figure 1: Tilt in Right A-frame; azimuths of track joints indicated by
dashed lines
Figure 2: Roll in " of TMU and A-frames during CW rotation of antenna
Figure 3: Pitch of TMU and tilts of A-frames
Figure 4: The difference between two CW inclinometry datasets from the
right A-frame, showing a step at azimuth 142.
Figure 5: CW-CCW data from the left A-frame, showing systematic, 14-hump,
differences.
Figure 6: Tilt -vs- azimuth : `direct' inclinometry
Figure 7: Resulting track profile
Figure 8: . . after subtraction of a best fitting plane.
Figure 9: Leica track profile.
Figure 10: Inclinometry data showing the effects of the antenna wheels moving
over shims placed on the track.
Figure 11: Strip recorder trace (signal strength)
of a source being tracked
across the track joint at azimuth 142, where wheel 2 goes
over the joint between track segments 14 & 1.
Calibrations show that the resulting maximum pointing error
is 6". (Data from report of 950215)