It is expected that the tilts experienced by one A-frame will mimic those
of the other A-frame when the telescope is rotated through 180degree - with
a reversal of sign. An option of INCRED2 allows for this
flip-&-slide comparison. Current data give comparisons that show
systematic differences at the
+1-2" level. It is possible that poor determinations
of the calibration scales
(mV/") might impact these comparisons between inclinometers,
which otherwise seem substantially larger than comparisons of data from the
same inclinometer.
The track profile may be generated from either set of A-frame-Y-axis data.
However, the profiles generated from the L- and R- A-frames are not similar,
possibly because of the poor calibrations, possibly because each leg interacts
with the track in a different way.