The “Make air mass curve” dialog is used to create a curve of air mass coefficients and altitudes as a function of time. These values to useful in data post-processing to compute the extinction coefficients.
Making a graph of air mass coefficients
(1) The actual data set is shown here.
(2) The list of available data sets is displayed here.
(3) You can switch the labels on the X axis between Julian date (JD) or date and time (UTC).
See also