Examples

# Calculate the rotation measure for a single polarization image
rmfit(imagename="mypol.im", rm="myrm.im", rmmax=50.0)

# calculate the rotation measure using a set of polarization images from
# different spectral windows or bands.
rmfit(imagename=["pol1.im", "pol2.im", "pol3.im"], rm="myrm2.im", rmmax=50.0)