Reproducing the observed lcıs:
what about the variations of 0720?
Rev. 78:                 c2= 0.001

B0quad = 0.32 Bdip    s = 0.03
B1quad = 0.45 Bdip   s = 0.01
B2quad = -0.21 Bdip    s = 0.03
B3quad = -0.28 Bdip    s = 0.03
B4quad = -0.48 Bdip    s = 0.02

c = 70.2    s = 0.9
x= 5.6        s = 2.1
Rev. 711:                  c2= 0.02

B0quad = 0.38 Bdip    s = 0.04 
B1quad =  0.50 Bdip   s = 0.04
B2quad = -0.06 Bdip    s = 0.04
B3quad = -0.08 Bdip    s = 0.04
B4quad = -0.20 Bdip    s = 0.02

c = 95.2    s = 3.6
x = 0.1        s = 0.8
Rev. 78
From Rev 78 to Rev 711, x c only
From Rev 78 to
Rev 711, Biquad only
Rev 711