Mangahao T3 and T4  file C:\HH\Source\Printometer\Data\GMA8788\MANGAHA0.DAT ends with 23/8/87, for conversion from EPR to L&G but there is no sign of a stump file.
                     and C:\HH\Source\Printometer\Data\GMA8889\MANGAHAO.DAT starts on  1/6/88. So, 282 days are missing. But Mangahao TT seems to be T3 + T4