Labels:calculator | clock | crt screen | digital display | plant | scale OCR: File Options Help Naviaation Chart Surface Ship Message: 20 Report station location relative Input the supply difference in longitude D 22 be tw een the sub and the _atitude 24 next supply station. 26 28 180 179o 178o 1770 176o 1750 Longitude Station Sub Fract Neg Oxygen Store Recall Ink Pellets Enter Clear Navigation suppl 1780 175o