function my_callback_fcn2(stet)

st = stet{1} % starting time for ADCP time series
et = stet{2}  % ending time for ADCP time series - use now
                    % for up-to-date
!./get_LTA_data
cd ../adcp/oc415
!./runos
!./runrot
cd ../../adcp_nb
plot_os75(st,et)

figure(1)
drawnow

%fid = fopen('times.dat','a')
%fprintf(fid,'%s\n',datestr(now));
%fclose(fid)
