It's still doing it to me.
Most of the time. Only on a rare occasion it doesn't.

Tonight I did two flips to test.
One - over north meridian. One - over south meridian.
Both calibrations failed immediately after the flip but were OK on the second attempt.

Let me illustrate.

Before the flip:
 


After the flip:

After the flip restarted:
 
 

Read More...