HFSS phase and amplitude radiation maps?

Using HFSS 9.2.1 having dificulty generating data table for a radiation plot,
in amplitude and phase, so I can use the data with another programme.
The in-built calculator seems very poorly documented. Advice or pre-worked
example would be very helpful!

2nd Question: If I simulate an antenna, can I get a fitted phase center, or
must I do this myself from the amplitude and phase data (see 1st paragraph)
Thanks.

If I wanted to determine the phase center I would try to plot a near field phase front and use the curvature to define a phase center. I have not tried it myself and would be interested to know how the effort works out.

I do not know of a post-processor feature in HFSS for that evaluation.