push @out, $self->msg('wwv1', 'a') unless $args{a} && $args{a} >= 0 && $args{a} <= 400;
push @out, $self->msg('wwv1', 'sf') unless $args{sf} && $args{sf} >= 65 && $args{sf} <= 300;
push @out, $self->msg('wwv1', 'forecast') unless $forecast;
push @out, $self->msg('wwv1', 'a') unless $args{a} && $args{a} >= 0 && $args{a} <= 400;
push @out, $self->msg('wwv1', 'sf') unless $args{sf} && $args{sf} >= 65 && $args{sf} <= 300;
push @out, $self->msg('wwv1', 'forecast') unless $forecast;