           avgkernel(k)=data(iavgkernel+k,i)*data(iamftot,i) ! make avgkernel to use to with slant column
           no2_inv(k) = no2obs*data(iamftrop,i)-no2ges(k)
           no2ges_out(i) = no2ges(k)/(1000.*data(iamftrop,i)) ! JDE save out 
           error(k)=error(k)*data(iamftrop,i) ! ajl 3/15/2017 now slant column
