Aexpn = 0.2005 Step= 154 Redshift=    3.986 Ngrid= 7000 kNyq=    43.98
 Aexpn = 0.2591 Step= 165 Redshift=    2.859 Ngrid= 7000 kNyq=    43.98
 Aexpn = 0.3177 Step= 175 Redshift=    2.148 Ngrid= 7000 kNyq=    43.98
 Aexpn = 0.3323 Step= 177 Redshift=    2.009 Ngrid= 7000 kNyq=    43.98
 Aexpn = 0.4992 Step= 196 Redshift=    1.003 Ngrid= 7000 kNyq=    43.98
 Aexpn = 0.9998 Step= 253 Redshift=    0.000 Ngrid= 7000 kNyq=    43.98