1st plot is of Sigma vs Freq for 186Hf72+ setting. The green vertical line is at 411.843MHz.
2nd plot is of Sigma vs Freq for 186Hf72+ setting from April 4th 20:00 to April 5th 09:00 with time cut 0.14, shift tracking applied and pwr limit 100, about 5200 injections.( the green vertical line is at 411.843 and not at 411.7)