Aexpn = 0.4126 Step= 102 Redshift=    1.424 Ngrid= 7000 kNyq=    21.99
 Aexpn = 0.5078 Step= 108 Redshift=    0.969 Ngrid= 7000 kNyq=    21.99
 Aexpn = 0.6665 Step= 118 Redshift=    0.500 Ngrid= 7000 kNyq=    21.99
 Aexpn = 0.7618 Step= 124 Redshift=    0.313 Ngrid= 7000 kNyq=    21.99
 Aexpn = 0.9998 Step= 139 Redshift=    0.000 Ngrid= 7000 kNyq=    21.99